MAX CLR-HP A/BCLEAR LIQUID RESIN-HIGH PERFORMANCEEpoxy Resin System
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96-ounce kit
3/4 gallon combined volume
½-Gallon of MAX CLR-HP PART A
AND
1-Quart MAX CLR-HP PART B
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THE MOST CRYSTAL CLEAR
AND COLOR STABLE EPOXY SYSTEM
COMMERCIALLY AVAILABLE
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FORMULATED WITH UV STABILIZERS AND ANTI-OXIDANT FOR IMPROVED UV STABILITY
100% Reactive, No Excessive Plasticizer Fillers
Excellent Adhesion To A Wide Range of Substrates
Balanced Working Time For Dry and Wet Lay-up
Excellent Gloss and Color Retention, Non-Blushing
Impregnating Resin For Fiberglass Carbon Fiber, Aramid Fibers (Kevlar, Nomex)
Excellent Impact Resistance
Excellent Balance of Strength and Durability
Excellent Water/Salt Water Resistant for Marine/Aero Applications
Excellent Chemical and Solvent Resistance
Low Shrinkage, Wide range of service temperature
Tested For Aerospace Application Under NASA Low Out Gassing Specifications of less than 1% CVCM
Can be used as an adhesive or coating for Direct and indirect Food Contact under the FDA 21 CFR 175.105
MAX CLR-HP A/B is an excellent resin system application where color stability and water clarity is crucial.
Crystal Clear Transparent Color
Excellent Color Stability
Ease of use 2:1 Mix Ratio
Higher Hardness And Durability
None Blushing Formulation
Faster Development Of Mechanical Properties
Chemical Resistant Performance
High Surface Hardness
PRODUCT DESCRIPTION
MAX CLR-HP A/B is a two-part epoxy based system specially formulated as High Performance version of the MAX CLR resin system.It offers higher mechanical performance while maintaining crystal clarity, gloss and other aesthetic qualities. MAX CLR-HP provides excellent performance at wider service temperature range, especially its retention of its mechanical hardness at elevated temperatures as well its durability when exposed to below freezing temperatures. Its none blushing performance, high gloss finish, excellent transparent clarity, color stability and ease of use make MAX CLR-HP an excellent choice as an impregnating resin for composite fabrics, protective coatings, casting resin and general fabricating applications.
MAX CLR-HP also offers high chemical resistance, structural adhesion and overall durability suitable for many protective coatings applications.
MAX CLR-HP A/B performs well at room temperature use and can withstand cyclic exposure to temperatures form -40°C to 112°C with minimal loss of mechanical performance.
MAX CLR-HP A/B can be as as an adhesive for bonding at variety of substrates such as composite materials, concrete and ceramic products, plastics, wood, glass, steel, aluminum and most soft metals.
Upon Cure, MAX CLR-HP A/B resists extreme and repeated thermal shocks making it well suited for bonding substrates with dissimilar expansion coefficients.
MAX CLR-HP A/B is 100% solids and does not contain Ozone Depleting Chemicals (ODC), non-reactive plasticizers or solvent fillers.
A POST CURE AT 120°F TO 150°F FOR 2 HOURS AFTER IT HAS CURED TO THE TOUCH WILL INSURE FULL CURE.
USE AN INFRARED HEAT LAMP FOR LARGER PARTS.
COLD TEMPERATURE NOTICE
DURING THE COLDER SEASONS THE RESIN AND CURING AGENT SHOULD BE WARMED TO AT LEAST 75°F to 80°F (21°C to 27°C) PRIOR TO USE TO REDUCE ITS VICOSITY,
REDUCE AIR BUBBLE ENTRAPMENT, MAINTAIN ITS WORKING TIME AND INSURE PROPER CURE. IN SOME CASES THE RESIN OR PART A MAY APPEAR TO BE
CLOUDY OR SOLIDIFIED, WHICH IS AN INDICATION OF RESIN CRYSTALLIZATION.
HEAT PROCESSED PARTIALLY CRYSTALIZED CRYSTALLIZED
DO NOT USE UNLESS PROCESSED
THE COLD TEMPERATURE EXPOSURE CAN OCCUR DURING TRANSPORT OR DELIVERY OF THE KIT WERE THE PACKAGE CAN BE EXPOSED TO TEMPERATURES BELOW 50°F AND INITIATE THE RESIN TO CRYSTALIZE OR DEVELOP SEED CRYSTALS. ONCE A SEED CRYSTAL DEVLOPS, CRYSTALLIZATION CAN STILL OCCUR EVEN IF STORED AT THE PROPER
STORAGE TEMPERATURE. DO NOT THROW AWAY OR USE THE RESIN UNTIL IT HAS BEEN MELTED BACK TO A FREE-FLOWING LIQUID PHASE BY GENTLE HEATING 120°F TO 150°F.
THE HIGH PURITY EPOXY COMPONENT AND THE ABSENCE OF ANY ACCELERATORS AND OTHER NON-REACTIVE IMPURITIES IN ITS FORMULATION ARE SOME OF THE MANY KEY FACTORS THAT CONTROLS ITS HIGH PERFORMANCE PROPERTIES.
THE COLD TEMPERATURE WILL ALSO MAKE THE RESIN MUCH THICKER THAN THE STATED VISCOSITY AND WORKING TIME VALUES AS STATED ON THE PHYSICAL TABLES CHART. THIS WILL REDUCE THE POLYMER’S REACTION RATE AND EXTEND ITS CURE TIME. THIS CAN RECTIFIED BY PRE-WARMING BOTH COMPONENT AND USING THE MIXED RESIN IN A CONTROLLED TEMPERATURE ENVIRONMENT NO COOLER THAN 70°F .
COMMON AND NOTCIABLE THE EFFECTS OF
COLD TEMPERATURE EXPOSURE
HIGHER OR THICKER VISCOSITY
LESS ACCURACY IN VOLUMETRIC MEASUREMENT DUE TO ITS THICKER CONSISTENCY
CRYSTALAZIED OR SOLIDIFIED RESIN COMPONENT THAT WILL APPEAR AS A WHITE WAX-LIKE CONSISTENCY
MORE BUBBLE ENTRAPMENT DURING MIXING
SLOWER REACTIVITY
LONGER CURE TIMES
LOWER CURED PERFORMANCE DUE TO NONE FULL CURE POLYMERIZATION
PROCESSING EPOXY RESINS
TO COUNTER ACT THE AFFECTS OF THE COLD TEMPERATURE EXPOSURE, WARM THE RESIN GENTLY BY PLACING IT IN A PLASTIC BAG AND
IMMERSE IT IN HOT WATER OR A WARM ROOM AND ALLOW IT TO ACCLIMATE UNTIL IT IS A VERY CLEAR AND LIQUID IN CONSITENCY
ALLOW THE RESIN TO COOL 75°F TO 80°F MAXIMUM BEFORE ADDING THE CURING AGENT.
PLACE CURSOR OVER THE SLIDESHOW TO PAUSE OR PLAY
TO MELT THE CRYSTALLIZED RESIN FASTER HIGHER PROCESSING TEMPERATURE CAN BE UTILIZED BY PLACING IT IN A PLASTIC BAG OR MAKE SURE THAT THE LID IS
SECURE TO PREVENT WATER FROM ENTERING THE CONTAINER AND IMMERSE IT IN HOT WATER , 140°F TO 180°F UNTIL ALL TRACES OF THE CRYSTALLIZED RESIN IS ONCE AGAIN A CLEAR LIQUID. THE CONTAINER CAN WITHSAND 212°F (BOILING POINT OF WATER); THE RESIN SHOULD REVERT BACK INTO A LIQUID IN LESS THAN 20 MINUTES.
ALLOW THE RESIN TO COOL BELOW 80°F BEFORE ADDING THE CURING AGENT.
A POLYMER RESIN’S PHYSICAL PROPERTY SUCH AS ITS VISCOSITY AND CURE RATE ARE HIGHLY AFFECTED BY TEMPERATURE.
CAUTION
ALTHOUGH THE POLYMERZATION HAS SLOWED DUE TO THE COLDER AMBIENT CONDITIONS MIXING THE RESIN AND CURING AGENT ABOVE 80°F AS IT WILL CAUSE RAPID POLYMERIZATION AND HIGH EXOTHERMIC HEAT BUILD-UP THAT CAN EXCEED 300°F EXOTHERMIC HEAT WHEN KEPT IN MASS.
DO NOT HEAT AND MIX THE RESIN OR CURING AGENT BEYOND 90°F AS IT MAY CAUSE RAPID AND UNCONTROLABLE REACTION.
THE BEST WORKING CONDITION IS TO PREWARM THE RESIN AND CURING AGENT TO 70°F TO 75°F PRIOR TO MIXING AND
ALLOW IT TO CURE AT AN AMBIENT TEMPERATURE NO LOWER THAN 65°F FOR AT LEAST 24 HOURS.
USE THESE THEORETICAL FACTORS THAT RELATES TO ANY UNDILUTED EPOXY RESIN AS A GUIDE:
1 GALLON = 231 CUBIC INCHES
1 GALLON OF RESIN CAN COVERS 1608 SQUARE FEET
1 MIL OR 0.001 INCH CURED COATING THICKNESS
1 GALLON OF RESIN IS 128 OUNCES
1 GALLON OF MIXED EPOXY RESIN IS 9.23 POUNDS
1 GALLON OF RESIN IS 3.7854 LITERS
MAX CLR RESIN SYSTEM
IS OUR LINE OF CRYSTAL CLEAR AND IMPROVED COLOR STABILTY EPOXY RESIN SYSTEM.
ITS PRIMARY PERFORMANCE IS TO PROVIDE CRYSTAL CLARITY
(REFRACTIVE INDES OF 1.57 TO 1.60)
For Fabricating Color Stable PartsMAX CLR COMES IN SEVERAL OTHER VERSIONS AND KIT SIZES
THE MAX CLR SERIES OF EPOXY RESIN
IS PRIMARILY FORMULATED FOR
CRYSTAL COLOR CLARITY
COLOR STABILITY THAT EXHIBITS LEAST DARKENING OR YELLOWING OVER TIME**
VERY HIGH GLOSS AND SURFACE DURABILITY
IMPACT RESISTANCE
EASE OF USE 2:1 MIX RATIO BY WEIGHT OR VOLUME
EXCELLENT ADHESION TO NUMEROUS SUBSTRATES
FDA COMPLIANT COATING FOR DIRECT AND INDIRECT FOOD CONTACT
LOW VISCOSITY VERSION EXTENDED POT LIFE AND IMPROVED FLEXIBILITY
MAX CLR LOW VISCOSITY 24 OUNCE KIT
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MAX CLR LOW VISCOSITY 96 OUNCE KIT
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MAX CLR LOW VISCOSITY 1.5 GALLON KIT
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MAX CLR LOW VISCOSITY 7.5 GALLON KIT
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30% FASTER SETTING VERSION
MAX CLR FAST SETTING 24 OUNCE KIT
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MAX CLR FAST SETTING 1.5 GALLON KIT
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HIGH PERFORMANCE VERSION WITH HIGHER HEAT RESISTANCE,TOUGHNESS AND SURFACE HARDNESS
MAX CLR-HP HIGH PERFORMANCE 24 OUNCE KIT
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MAX CLR-HP HP HIGH PERFORMANCE 96 OUNCE KIT
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MAX CLR-HP HP HIGH PERFORMANCE 1.5 GALLON KIT
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MAX CLR-HP HP HIGH PERFORMANCE 7.5 GALLON KIT
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IMPROVED DEGASSING AND SURFACE QUALITY
MAX CLR TC FOR TOP COAT USE ONLY 96 OUNCE KIT
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** AN ALIPHATIC BASED TOP COAT REQUIRED FOR OUTDOOR AND DIRECT SUNLIGHT APPLICATION
MAX SEAL NONE YELLOWING ALIPHATIC POLYURETHANE TOP COAT
MAX SEAL 1 QUART
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MAX SEAL 1 GALLON
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AVAILABLE KIT SIZES
MAX CLR-HPIs an excellent resin system applications where color stability and water clarity is crucial
Scientific Specimen PreservationMolding ResinKayak, Canoe Stitch and TapeSurfboard Fiberglass Laminating ResinCraft Decoupage ResinHigh Gloss Bar Counter Top CoatingPlaque CoatingsClear CastingsChemical Resistant Coatings
CONSTRUCTED WITH MAX CLR-HP AND 7781 FIBERGLASS
PICTURE COMPLIMENTS OF MR. JEFF M.
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MAX CLR-HP APPLIED AS A PROTECTIVE GLOSS COATING
MAX GPE WHITE GEL COAT
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WITH MAX CLR-HP AS A CLEAR TOP COAT
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PHYSICAL PROPERTIES
AND
MECHANICAL PROPERTIES
Density
1.10 G/CC
Form and Color
Clear Liquid
Viscosity
2,800 – 3,200 cPs @ 25ºC Mixed
Mix Ratio
50 Parts “B” to 100 Parts “A” By Weight
Working Time
45 – 50 Minutes @ 25ºC
(100 Gram Mass)
Peak Exotherm
70ºC (100 Gram Mass)
Thin Film Set Time
4 to 6 Hours
Handle Time
8 Hours
Cure Time
2 to 7 days @ 25ºC or 8 hours at room temperature plus 1 hours at 100ºC
Hardness
80 ± 5 Shore D,
Tee-Peel Strength
5.7 Lbs. per inch Width
Tensile Shear Strength
2,935 psi @ 25ºC
1,970 psi @ -40ºC
1250 psi @ 100ºC
Elongation
3.0% @ 25ºC
Flexural Strength
13,000 psi
Flexural Modulus
344,000 psi
Heat Deflection Temp.
110ºC
CHEMICAL RESISTANCE PERFORMANCE
FULL IMMERSION at 30°C
MEASURED PERCENT CHANGE IN WEIGHT
REAGENT
3 days
28 days
Deionized Water
0.49
1.50
Sea Water
0.11
0.98
Methanol
7.93
-2.41
Ethanol
3.98
10.28
Toluene
0.40
2.86
Xylene
0.04
0.05
Butyl Cellosolve
16.63
5.31
MEK
Destroyed
Destroyed
10% Lactic Acid
1.81
5.42
10% Acetic Acid
0.11
0.45
70% Sulfuric Acid
0.08
0.14
50% Sodium Hydroxide
0
0
10% Sodium Hypochlorite
0.51
1.36
SPECIMEN CURE CYCLE 7 days @ 25ºC plus 1 hours at 100ºC
1 CUBIC INCH SPECIMEN SIZE
COVERAGE AND YIELD PER GALLON FOR COATINGS APPLICATION
USE THESE THEORETICAL FACTORS TO DETERMINE COVERAGE TO UNFILLED EPOXY RESIN
AS A GUIDE FOR RESIN USEAGE. PLEASE NOTE THAT THIS IS A 1.5-GALLON KIT AND
THESE NUMBERS ARE BASED ON THEORETICAL PHYSICAL DATA.
IT IS ALSO IMPORTANT TO CONSIDER THE TYPE OF SUBSTRATE TO BE COATED I
N REGARDS TO ITS SURFACE ROUGHNESS AND POROSITY OR ABSORBANCY,
TO DETERMINE COVERAGE ON A FLAT SMOOTH SURFACE,
DETERMINE THE LENGHT X WIDTH X THICKNESS IN INCHES
TO OBTAIN THE CUBIC VOLUME INCH OF THE MIXED RESIN NEEDED.
USE THE FOLLOWING EQUATION:
1 GALLON OF RESIN CAN COVERS 1608 SQUARE FEET
PER 1 MIL OR 0.001 INCH CURED COATING THICKNESS
ON A SMOOTH AND NONE ABSORBENT SUBSTRATE
(A PANE OF GLASS FOR EXAMPLE)
(LENGTH X WIDTH X COATING THICKNESS)/ 231 CUBIC INCHES PER GALLON = CUBIC INCHES OF COATING NEED
50 INCHES X 36 INCHES X 0.010 (10 MILS) = 18 CUBIC INCHES
18/231= .0779 GALLON OF MIXED RESIN
USE THESE FACTORS TO CONVERT GALLON NEEDED INTO VOLUMETRIC OR WEIGTH
MEASUREMENTS USE THE FOLLOWING FACTORS BY THE GALLON NEEDED:
FOR EXAMPLE:
231 X .0779 = 17.99 CUBIC INCHES
OR
4195 GRAMS X .0779 = 326.79 GRAMS
FLUID GALLON VOLUME CONVERSION
1 GALLON = 231 CUBIC INCHES
1 GALLON = 128 OUNCES
1 GALLON = 3.7854 LITERS
1 GALLON = 4 QUARTS
1 GALLON = 16 CUPS
FLUID GALLON MASS CONVENTIONS
1 GALLON OF MIXED UNFILLED EPOXY RESIN = 9.23 POUNDS
1 GALLON OF MIXED UNFILLED EPOXY RESIN = 4195 GRAMS
FOR FIBERGLASS OR COMPOSITE FABRIC IMPREGNATING
Don’t how much resin to use to go with the fiberglass?
A good rule of thumb is to maintain a minimum of 30 to 35% resin content by weight, this is the optimum ratio used in high performance prepreg (or pre-impregnated fabrics) typically used in aerospace and high performance structural application.
For general hand lay-ups, calculate using 60% fabric weight to 40% resin weight as a safe factor.
This will insure that the fabricated laminate will be below 40% resin content depending on the waste factor accrued during fabrication.
Place the entire precut fiberglass to be used on a scale to determine the weight ratio between the resin and fabric composition.
Typical fabric weights regardless of weave pattern
1 yard of 8 OSY fabric at 38 inches wide weighs 224 grams
1 yard of 10 OSY fabric at 38 inches wide weighs 280 grams
Ounces per square yard or OSY is also know as aerial weight which is the most common unit of measurement for composite fabrics.If a scale is available, measuring by weight will insure accurate composite fabrication and repeatability, rather than using OSY data.To determine how much resin is needed to adequately impregnate the fiberglass, use the following equation:
(Total Weight of Fabric divided by 60%)X( 40%)= weight of mixed resin needed
fw = fabric weight
rc = target resin content
rn= resin needed
(fw/60%)x(40%)= rn
FOR EXAMPLE
1 SQUARE YARD OF 8-OSY FIBERGLASS FABRIC WEIGHS 224 GRAMS
(224 grams of dry fiberglass / 60%) X 40% = 149.33 grams of resin needed
So for every square yard of 8-ounce fabric,
It will need 149.33 fluid ounces of mixed resin.
Computing for resin and curing agent requirements based on
149.33 grams of resin needed
MIX RATIO OF RESIN SYSTEM IS 2:1 OR
50PHR (per hundred resin)
2 = 66.67% (2/3)
+
1= 33.33%(1/3)
=
(2+1)=3 or (66.67%+33.33%)=100% or (2/3+1/3)= 3/3
149.33 x 66.67%= 99.56 grams of Part A RESIN
149.33 x 33.33%= 49.77 grams of Part B Curing Agent
99.56 + 49.77 = 149.33 A/B MIXTURE
USE THESE THEORETICAL FACTORS THAT RELATES TO ANY UNDILUTED EPOXY RESIN AS A GUIDEOTHER FABRICATING TECHNIQUES TO YIELD A HIGH QUALITY SURFACE COATING.THESE TECHNIQUES CAN BE USED ON ANY OF THE MAY EPOXY RESIN SYSTEM
1 GALLON = 231 CUBIC INCHES
1 GALLON OF RESIN CAN COVERS 1608 SQUARE FEET
1 MIL OR 0.001 INCH CURED COATING THICKNESS
1 GALLON OF RESIN IS 128 OUNCES
1 GALLON OF MIXED EPOXY RESIN IS 9.23 POUNDS
1 GALLON OF RESIN IS 3.7854 LITERS
WHICH EPOXY IS BEST FOR YOUR APPLICATION?
Epoxy based polymers are one of the most versatile thermoset resins that can be modified into a multitude of applications and fit very specific task as demanded by the application. It offers ease of use and generally safer to handle over other types of thermoset resins which makes it the choice material for many high performance composites.
New ideas demand new technology in material science and the skill to compose its constituent into a synergistic composite.
MECHANICAL PERFORMANCE TEST
What is impact testing?
Impact testing is one of the most revealing test methods that demonstrate a material’s ability to resist and withstand a high-rate of pressure loading, its behavior during and after the impact can define its maximum mechanical property and conditional limits upon its destruction.
Why is Impact Testing Important?
The impact resistance of an object provides the ultimate measure of its resistance to its definitive destruction. Governed by the many laws and dynamics of physics, a skilled chemist or materials engineer can determine the design equilibrium and ultimate performance by careful analysis of the material’s disassociation and the manner of its destruction.
With this knowledge, other aspects of mechanical performance can be accurately derived and through skilful engineering one can determine:
The impact energies the part can be expected to see in its lifetime,
The type of impact that will deliver that energy, and then
Select a material that will resist such assaults over the projected life span.
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PROPER MIXING OF EPOXY RESINS
DURING COLDER SEASON, THE EPOXY RESIN AND CURING AGENT WILL BE THICKER OR HIGHER IN VISCOSITY. TEMPER BOTH COMPONENTS TO AT LEAST 23°C TO 25°C BEFORE MIXING. A GOOD METHOD IS TO PLACE THE BOTTLES IN A WARM ROOM FOR 24 HOURS OR PLACE BOTH COMPONENTS IN A PLASTIC BAG AND SEAL TIGHTLY AND THEN PLACE IN HOT WATER BATH FOR ABOUT 2 TO 4 HOURS. REMOVE FORM THE WATER BATH AND INSURE THAT THE COMPONENTS ARE BELOW 80°F BEFORE MIXING TOGETHER. THIS WILL LOWER THE VISCOSITY TO THE CONSISTENCY AS SHOWN ON THE VIDEO DEMONSTRATION.
PLEASE VIEW THE FOLLOWING VIDEO FOR THE PROPER MIXING OF EPOXY RESIN. IT DEMONSTRATES THE PROPER TECHNIQUE OF MIXING ANY TYPE OF EPOXY RESIN REGARDLESS OF MIX RATIO OR FORMULATION.
THE SLIDES SHOW DEMONSTRATES ONE OF THE MOST COMMON CAUSE OF TACKY AND UNCURED SPOTS PROBLEMS WHICH CAN BE DIRECTLY CORRELATED TO THE QUALITY AND MIX TECHNIQUE.
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PLEASE DOWNLOAD OUR MAX CLR COATING TECHNIQUES BULLETIN FOR FREE INSTRUCTIONS AND TIPS TO USE THIS SYSTEM FOR COATINGS APPLICATIONS
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ANOTHER DEMONSTRATION OF REMOVING SURFACE AIR BUBBLES USING THE ACETONE SPRAY TECHNIQUE
IMPROVING SURFACE GLOSS, LUSTER AND OVERALL SURFACE DURABILITY
PLEASE VIEW THE FOLLOWING VIDEO DEMONSTRATION REGARDING BATCH SIZE MIXING.
THE RESIN USED WAS AN EXPERIMENTAL FORMULATION.
THE FOLLOWING VIDOE DEMONSTRATES HOW THERMO-SET RESINS CAN REACT WHEN MIXED IN LARGE MASS AND ALLOWED TO REACT IN A CONFINED CONTAINER.
To Use MAX CLR-HP A/B As A Coating
Prepare the surface to be coated or sealed by degreasing and removing any surface contaminants.
If coating a wood substrate as a base, preseal the wood with MAX CLR HP thinned down with 10% to 20% acetone or MEK by volume. This will create a low viscosity penetrating sealant to lock in any grain rasing. Allow to cure overnight.
Upon cure, lightly sand the surface to remove any raised wood grain, sand off just enough to remove any gloss and then clean with a tack rag.
Repeat if necessary until a smooth surface is achieved. If imbedding pictures or other items unto the tabletop, plaques or a decoupage projects, secure the items using the MAX CLR-HP as an adhesive and allow to set-up before coating.
Pour the mixed MAX CLR HP into another container and mix for another minute (this insures that no tacky spots caused by unmixed material will be applied) and pour or brush or foam roller (use foam roller for a lint free application) coat apply unto the substrate to be sealed.
Allow the coating to flow out evenly and protect the surface from airborne dust and debris until it has set-up. If a thicker coating is desired, allow to set-up for at least 6 hours before applying subsequent coats.To remove stubborn surface bubbles, pass a flame from a propane torch over the surface very, very quickly and the air bubbles will pop. Allow the completed coating to cure for at least 24 hours before handling.
Optional step for a super high gloss finish
Upon full cure of the coating, lightly wet sand the surface using a 1800 grit then an a 2000 grit or finer polishing or rubbing compound and apply durable car polish.
To Use MAX CLR-HP A/B As A Casting Resin
Clean the mold and apply a good quality release agent such as wax mold release or PVA mold release.
Slowly pour the mixed MAX CLR HP into the on corner of mold cavity and allow the resin to fill the cavity allowing the entrapped air bubbles to rise to the surface.
Remove any surface air bubbles using the torch technique described above.
Allow to cure at room temperature for 24 to 36 hours.
To use MAX CLR-HP A/B As An Electrical Potting Compound
Place the circuit board in the casing or cavity and secure all wiring leads to its desired position.
Pour the mixed MAX CLR-HP into one corner of the cavity and fill to the desired level. By pouring or filling the resin from corner of the electronic casing any air voids is pushed away and reduce the possibility of “high-pots” that is caused by voids in the potting compound.
Cure at room temperature for at least 24 hours before putting in service.
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MAX CLR-HP Polishing Procedure
MAX CLR-HP cures to a hard finish that can be cut or ground to shaped and polished to high gloss finish.
For table top coating this process will increase scratch resistance and surface luster
Allow to fully cure for 48 hours before grinding
Cut or grind to shape
Sand 400 grit wet dry
Wet sand with 1600-grit sand paper
Polish with abrasive free wax or polish.
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Thick Casting Applications
Mix and pour about 200 grams of Part A resin to 100 grams Curing agent per stage casting until the desired thickness is achieved. Allow 90 minutes in between staged casting or until the prior pour has cooled before pouring the next volume. No sanding is needed in between cast and allow to cure for at least 36 hours before demolding.
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MAX CLR or MAX CLR-HP
EXCELLENT FOR TABLETOP BARTOPS AND PLAQUE COATINGS
Through several years of doing business in the ebay forum, I have had the pleasure of meeting hundreds of very talented people and got soon enough was quite involved with their project. My collaboration with Mr. Rod Ham was one that reminded me of the rewards of sharing and lending my capacity for creating polymer products and experience in its use with his adept craftsmanship in wood working. With his kind permission, I am posting a copy of our correspondence which details exchange of ideas and procedure changes in which in the end, yielded this amazing art piece.
I hope this document finds it way to other artisans and alike that would find value in its content.
GENERAL WOOD COATINGS AND TABLETOP AND COUNTERTOP COATINGS BULLETIN
Gerald Lapuz
PolymerProducts
Click the following link to download the bulletin
Polishing Procedure
MAX CLR can be cut or ground to shaped and polished to high gloss finish.
This process will also increase scratch resistance and surface luster
Allow to fully cure for 48 hours before grinding
Cut or grind to shape
Sand 400 grit wet dry
Wet sand with 1600-grit sand paper
Polish with abrasive free wax or polish.
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FOR IMBEDDING OR LARGE CASTING APPLICATIONS
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COLOR TINTING MAX CLR-HP
CREATE POLYMER COMPATIBLE DYES WITH ABSOLUTE COLOR TRANSPARENCY
USE MAX CTE WITH ANY OF THE MAX CLR EPOXY SYSTEM TO MAKE COLOR TRANSPARENT CASTINGS
MAX CTE
Color Tint Extractor
MAX CLR-HP with MAX CTE to create transparent colored castings.
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Extract Any Color Using MAX CTE from Rit® Powder Dye
100% Soluble in Epoxy Resin
Make True Transparent Colored Epoxy Resin
Easy to Use Just Mix, Filter And Add To Any Of Our MAX Epoxy Resin
Adjust Color Saturation
Low Cost Alternative To Pigment Dispersion
Low Toxicity, No Solvents, None Flammable
Color Stable
Wide Selection Of Colors
MAX CLR-HP
FOR COMPOSITE FABRICATION
APPLICATIONS
Don’t how much resin to buy to go with the fiberglass?
A good rule of thumb is to calculate 65% fiberglass to 35% resin by weight. Use 60% to 40% as a safe factor. For example:
1 yard of 8 ounce fabric at 38 inches wide weighs 224 grams
1 yard of 10 ounce fabric at 38 inches wide weighs 280 grams
(224/60%) X 40% = 149.3 grams of resin needed
1 gallon of resin = 4239 grams (1.12 g/cc)
1 gallon is 128 fluid ounce
1 fluid ounce of resin = 33.17 grams
So for every square yard of 8 ounce fabric, you will need 4.50 fluid ounces of mixed resin
VIEW OUR NEWEST ADDITION TO OUR FREE INSTRUCTIONAL VIDEO
This video demonstrates the best technique of fabricating fiberglass laminate using a wet lay-up process.
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CARBON FIBER FLAT PANEL PRODUCTION
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Composite Fabricating Basics
By resolute definition, a fabricated COMPOSITE material is an engineered collection of two or more ingredients or products intentionally combined to form a new homogenous material that is defined by its performance that should uniquely greater than the sum of its individual parts.
This method is also defined as SYNERGISTIC COMPOSITION.
COMPOSITE MATERIAL COMPOSITION
REINFORCING FABRIC IMPREGNATING RESIN
PLUS
ENGINEERED PROCESS
EQUALS
STRUCTURAL STRENGTH COMPOSITE LAMINATE
With respect to the raw materials selection( fabric and resin), the fabricating process and the intended composite properties, these 3 aspects must be carefully considered and in the engineering phase of the composite.
The following are some of the basic steps and guidelines for consideration.
Step One: Choose the best fabric to use for the application
COMMON TYPES OF FABRIC WEAVES
AND TYPICAL SELECTION RECOMMENDATION
PLAIN WEAVE 8 HARNESS SATIN WEAVE 4 HARNESS SATIN WEAVE 2×2 TWILL WEAVE
Plain weaveIn this most simple weave pattern, warp and fill yarns are interlaced over and under each other in alternating fashion.
The plain weave provides good stability, porosity and the least yarn slippage for a given yarn count.
Mock LenoThe mock leno weave is used where relatively low numbers of yarns are involved.
The leno weave locks the yarns in place by crossing two or more warp threads over each other and interlacing with one or more filling threads.
Four Harness Satin (Crowfoot)The four harness satin weave is more pliable than the plain weave and is easier to conform to curved surfaces typical in reinforced plastics.
In this weave pattern there is a three by one interfacing where a filling yarn floats over three warp yarns and under one.
Eight Harness SatinThe eight harness satin is similar to the four harness satin except that one filling yarn floats over seven warp yarns and under one.
This is a very pliable weave and is used for forming over curved surfaces.
Twill weaveThe twill weave style is more pliable than the plain weave and drapes with less resistance while maintaining more fabric stability than a four or eight harness satin weave. The weave pattern is characterized by a diagonal rib created by one warp yarn floating over at least two filling yarns.
Weave style selection
for contoured parts fabrication
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Satin Weave Style
This style fabric is one of the easiest fabrics to use and it is ideal for laying up cowls, fuselages, ducts and other contoured surfaces with minimal distortions. The fabric is more pliable and can comply with complex contours and spherical shapes. Because of the finer weave it, several layers of the satin weave fabric is typically used as the surface ply or the fascia in conjunction with heavier and courser weaves.
This technique helps reduce fabric weave print through and requires less gel coat and creates a smoother surface.
Mock LenoThe mock leno weave is used where relatively low numbers of yarns are involved. The leno weave locks the yarns in place by crossing two or more warp threads over each other and interlacing with one or more filling threads.
Four Harness Satin (Crowfoot)The four harness satin weave is more pliable than the plain weave and is easier to conform to curved surfaces typical in reinforced plastics. In this weave pattern there is a three by one interfacing where a filling yarn floats over three warp yarns and under one.
For bulk reinforcing or structural applications and high strength panel and deliberate linear angel part fabrication
Plain Weave
Use this fiberglass cloth when high strength parts are desired. It is ideal for construction, composites reinforcement, mold making, aircraft and auto parts tooling, marine and other composite lightweight applications.
Unidirectional
A unidirectional fabric is constructed were the all the roving or fabric strand is oriented in one direction. This provides high strength in a known directional angle. The Design of must be carefully considered and insure that the resistive force is well identified and incorporated in the luminant’s design.
Unidirectional laminate offers outstanding strength-to-weight ratio, Fiber to resin ratio control and stability (minimized probability of resin-rich and/or resin-dry areas), exceptionally directional high impact resistance. The integrity is maintained through very fine, adhesive coated fill yarns that are bonded to but not interwoven.
Equally as important in choosing a fabric weave style is the fabric finishing
Fabric finishing is another important aspect that must be considered when choosing any type of composite fabric.
The finishing of the fabric will dictate the compatibility (WET-OUT) of the epoxy resin with the fabric and how well these two factors will form a homogenous substrate.
Chrome Finishes (Volan A) F-16 & F-3
Heat cleaned fabric is saturated in a methacrylate chromic chloride solution, cured, and washed to remove any soluble salts.
Both F-16 and F-3 are Volan type finishes with F-3 being a highest chrome content version.
Used with polyesters, phenolic, and epoxies, F-16 and F-3 fabrics yields a light green laminate
Please visit our ebay store for all available composite fabric that will suit your need.
Step Two: Choose the best epoxy resin system for the job
The principal role of the resin is to bind the fabric into a homogenous rigid substrate
called a composite laminate or FRP- FIBER REINFORCED PLASTIC.
The epoxy resin used in fabricating a laminate will dictate how the
FRP will perform when load or pressure is implied on the part.
To choose the proper resin system consider the following factors
that is crucial to a laminate’s performance.
SIZE AND CONFIGURATION OF THE PART
(NUMBER OF PLIES AND CONTOURED, FLAT OR PROFILED)
CONSOLIDATING FORCE
(FREE STANDING DRY OR HAND LAY-UP, VACUUM BAG OR PLATEN PRESS CURING)
CURING CAPABILITIES
(HEAT CURED OR ROOM TEMPERATURE CURED)
LOAD PARAMETERS
(SHEARING FORCE, TORSIONAL AND DIRECTIONAL LOAD, BEAM STRENGTH)
ENVIRONMENTAL EXPOSURE
(OPERATING TEMPERATURE, AMBIENT CONDITIONS, HUMIDITY, CHEMICAL EXPOSURE, CYCLIC FORCE LOADING)
MATERIAL AND PRODUCTION COST
(BUYING IN BULK WILL ALWAYS PROVIDE THE BEST OVERALL COSTS AS WELL AS DOING IT RIGHT THE FIRST TIME)
These factors will dictate the design and the composition of the part and must be carefully considered during the design and engineering phase of the fabrication.
CLICK ON THE FOLLOWING LINKS TO VIEW OUR EPOXY RESIN OFFERINGS
ADHESIVE GLUE STRUCTURAL BOND (15)
FIBERGLASING RESIN (6)
ELECTRICAL POTTING COMPOUND (2)
LOW VISCOSITY SYSTEM (2)
MAX BOND EPOXY SIZES & VERSION (7)
MAX CLR CLEAR CASTING (15)
MAX CLR CLEAR IMPREGNATING (21)
MAX GPE CLEAR & COLOR GEL COAT (5)
MAX MCR & POTTING COMPOUNDS (2)
MAX PCR AND WOOD COATINGS (4)
PIGMENTED EPOXY (2)
SPECIALTY SYSTEMS (3)
Step Three: Proper Fiberglass, Carbon Fiber, Kevlar And Composite Fabric Lay-Up Technique
Pre-lay-up notes
Lay out the fabric and precut to size and set aside
Avoid distorting the weave pattern as much as possible
For fiberglass molding, insure the mold is clean and adequate mold release is used
View our video presentation above “MAX EPOXY RESIN MIXING TECHNIQUE”
Mix the resin only when all needed materials and implements needed are ready and within reach
Mix the proper amount of resin needed and be accurate proportioning the resin and curing agent.
Adding more curing agent than the recommended mix ratio will not promote a faster cure.
Over saturation or starving the fiberglass or any composite lay-up will yield poor mechanical performance.
Don’t how much resin to use to go with the fiberglass?
A good rule of thumb is to maintain a minimum of 30 to 35% resin content by weight, this is the optimum ratio used in high performance prepreg (or pre-impregnated fabrics) typically used in aerospace and high performance structural application.
For general hand lay-ups, use 60% fabric weight to 40% resin weight as a safe factor.
Place the entire precut fiberglass to be used on a scale and determine the weight.
Typical fabric weights regardless of weave pattern
1 yard of 8 OSY fabric at 38 inches wide weighs 224 grams
1 yard of 10 OSY fabric at 38 inches wide weighs 280 grams
Ounces per square yard or OSY is also know as aerial weight which is the most common unit of measurement for composite fabrics.
If a scale is available, measuring by weight will insure better composite
fabrication and repeatability, rather than using OSY data.
To determine how much resin is needed to adequately impregnate the fiberglass, use the following equation:
(Total Weight of Fabric divided by 60%) X(40%)= weight of mixed resin needed
fw = fabric weight
rc = target resin content
rn= resin needed
(fw/60%(.40%)= rn
(224 grams of dry fiberglass / 60%) X 40% = 149.3 grams of resin needed
So for every square yard of 8 ounce fabric, you will need 4.50 fluid ounces of mixed resin.
Common Factors Of 100% Solids (Zero volatiles and unfilled epoxy resin)
1 gallon of resin = 4239 grams (1.12 g/cc)
1 gallon = 128 fluid ounces
1 fluid ounce of resin = 33.17 grams
Apply the mixed resin unto the surface and then lay the fabric and allow the resin to saturate the fabric.
NOT THE OTHER WAY AROUND
This is one of the most common processing error that yields sub-standard laminates.
By laying the fiberglass unto a film of resin, less air bubbles are entrapped during the wetting-out stage.
Air is pushed up and outwards instead of forcing the resin through the fabric which will entrap air bubbles. This technique will displace air unhindered and uniformly disperse through out the fiberglass with minimal mechanical agitation or spreading.
Given enough time and the proper selection of the fabric’s finishing surface treatment, most dry fabric will equalize the distribution of the applied resin naturally thus creating less air bubbles to be entrapped within the laminant.
It is then very important that the proper viscosity, working time and the fabric density and weave style must be determined to yield the best result.
Equally important are fabricating techniques that can be employed to reduce air entrapment within the laminant matrix. Depending on the size of the part, processes such as high pressure pressing, vacuum bagging or autoclaving are superior methods over hand lay-ups.
Air voids or porosity within the laminate is typically where failure propagates when load is applied.
(fracturing, compression failure, tearing, torque, tensile strength, creep)
For Vacuum Bagging Process
VACUUM BAGGING
INSTRUCTIONAL VIDEO
ROOM TEMPERATURE CURED MAX EPOXY RESIN
MAX BOND LOW VISCOSITY
USED FOR STRUCTURAL APPLICATIONS
TOP AND BOTTOM LAYER 9 OUNCE 4 HARNESS SATIN WEAVE
15 LAYERS CORE 24-OUNCE FIBERGLASS PLAIN WEAVE ROVING
MAX CLR-HP
FOR CARBON FIBER CRYSTAL CLEAR HIGH PERFORMANCE
SINGLE PLY 12-OUNCE 2X2 TWILL WEAVE CARBON FIBER
Given enough time and the proper selection of the fabric’s surface treatment (fabric to resin compatibility), a dry fabric will seek a state equilibrium and distribute the applied resin and naturally release air bubbles entrapped within the laminant.
It is then very important that the proper viscosity, working time and surface treatment of the fabric must considered.
Step Four: Proper Curing
Room Temperature Cured Epoxy Resins
Proper and thorough mixing of the epoxy resin and curing agent is to achieve the optimum mechanical property of any epoxy resin. Please view our “Epoxy Mixing Technique” video presentation above for more information. Adding more curing agent than the recomended mix ratio will not promote a faster cure. Allow to cure for 24 hours before handling. Optimum cured properties can take up to 7 days depending on the ambient cure condition. The ideal cure condtion of most room temperature epoxy resin is 22 to 27 degrees Celcius at 20% relative humidity. Higher ambient curing temperatures will promote faster polymerization.
AMINE BLUSH
Blush (amine blush) is a waxy layer that forms as most epoxies cure. When the epoxy is cured in extreme humidity, it will be seen as a white and waxy layer, that must be removed by physical sanding of the surface followed aby an acetone wipe. Amine blush is due to moisture as well as the amount of carbon dioxide present during the curing process. The affinity of an amine (curing agent) to moisture and carbon dioxide creates carbonate compounds.Typically a short heat post cure will further improve the mechanical performance of most epoxy resins. In general room temperature cured epoxy resin have a maximum operating temperature of 250F. Some darkening or yellowing of the epoxy resin may occur when heat cured.
Clean up excess resin run off before it has a chance to set-up using a rag dampen with acetone or MEK.
Improving mechanical performance via post heat cure
A short heat post cure will further improve the mechanical performance of most epoxy resins. In general room temperature cured epoxy resin has a maximum operating temperature of 250°F and 160°F under stress or load. Some darkening or yellowing of the epoxy resin may occur when over exposed to high temperature (>250 F).
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Your purchase constitutes the acceptance of this disclaimer . Please review before purchasing this product.
The user should thoroughly test any proposed use of this product and independently conclude satisfactory performance in the application. Likewise, if the manner in which this product is used requires government approval or clearance, the user must obtain said approval.The information contained herein is based on data believed to be accurate at the time of publication. Data and parameters cited have been obtain through publish information, PolymerProducts and Polymer Composites Inc. laboratories using materials under controlled conditions. Data of this type should not be used for specification for fabrication and design. It is the user’s responsibility to determine this Composites fitness for use. There is no warranty of merchantability of fitness of use, nor any other express implied warranty. The user’s exclusive remedy and the manufacturer’s liability are limited to refund of the purchase price or replacement of the product within the agreed warranty period. PolymerProducts and its direct representative will not be liable for incidental or consequential damages of any kind. Determination of the suitability of any kind of information or product for the use contemplated by the user, the manner of that use and whether er there is any infringement of patents is the sole liability of the user. |
