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EpoxAmite™ HT

EZ-Spray® Silicone 22 vs. EZ-Spray® Foam vs. EpoxAmite™ HTEZ-Spray® Silicone 22 versus EZ-Spray® Foam

High-Temp Laminating Epoxy

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Key Differences

Product Type
  • Silicone Rubber - Platinum Cure
  • Mix and Pour Expanding Foams
  • Epoxy Casting and Laminating Resins
Mixed Viscosity11,000 cps400 cps650 cps
Mix Ratio By Volume1A:1B1A:1BN/A (gram scale required)
Pot Life5 minutes13 seconds60 minutes
Cure Time45 minutes10 minutes24 hours
Shore D Hardness80
Shore A Hardness22
Specific Gravity1.08 g/cc0.128 g/cc1.1 g/cc
ColorTranslucent GreenTanClear
Disclaimer
Although we do our best to ensure the accuracy of this Compare Tool, Smooth-On offers no warranty either expressed or implied as to the reliability of the information contained herein. Smooth-On assumes no liability for loss or damage associated with use of the Compare Tool. If this is a critical project, we encourage you to review all of the technical data below and contact our Technical Service department with any questions or concerns.

All Technical Data

EZ-Spray® Silicone 22EZ-Spray® FoamEpoxAmite™ HT
Product Type
  • Silicone Rubber - Platinum Cure
  • Mix and Pour Expanding Foams
  • Epoxy Casting and Laminating Resins
Mixed Viscosity11,000 cps400 cps650 cps
Mix Ratio By Volume1A:1B1A:1B
Mix Ratio By Weight100A:33B
Pot Life5 minutes13 seconds60 minutes
Thin Film Working Time180 minutes
Tack Free Time2 minutes
Cure Time45 minutes10 minutes24 hours
Shore D Hardness80
Shore A Hardness22
Expansion (approximate)7 times
Specific Gravity1.08 g/cc0.128 g/cc1.1 g/cc
Specific Volume25.6 cu. in./lb.25.2 cu. in./lb.
ColorTranslucent GreenTanClear
Die B Tear Strength102 pli
Tensile Strength490 psi
Tensile Modulus342,000 psi
Ultimate Tensile6,500 psi
Tensile Elongation2.3 %
Elongation @ Break450 %
100% Modulus49 psi
Compressive Strength16,600 psi
Compressive Modulus168,000 psi
Flexural Strength12,325 psi
Flexural Modulus429,000 psi
Shrinkage<.001 in. / in.
Useful Temperature (min)-65 °F
Useful Temperature (max)500 °F
Flexural Strength on 6 ply / 10 oz. Laminate20,700 psi
Heat Deflection With Post Cure300 °F
Flexural Modulus on 6 ply / 10 oz. Laminate2,216,000 psi
Tensile Modulus on 6 ply / 10 oz. Laminate2,150,000 psi
Ultimate Tensile on 6 ply / 10 oz. Laminate32,100 psi

Product Description

EZ-Spray® Silicone 22

EZ~Spray® Silicone 22 are sprayable silicones which cure quickly to soft rubbers with high elongation and tear strength. Liquid silicone is sprayed through the EZ~Spray® Junior Cartridge System which is an economical alternative to expensive spray equipment. After a suitable thickness is attained, EZ~Spray® Silicone 22 cures in about 45 minutes. EZ~Spray® Silicone cures with negligible shrinkage to strong, durable silicone rubbers good for production casting of polyester, epoxy or urethane resins, gypsum, concrete and other materials.

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EZ-Spray® Foam

EZ~Spray® Foam is a polyurethane foam compound that can be conveniently sprayed using Smooth-On’s EZ~Spray® Junior System. Foam cures quickly to strong, lightweight and impact resistant 8 lb. rigid foam that can be used for a variety of applications including making lightweight castings. Foam can also be sprayed over certain rubber mold configurations as a mother mold material. For more information, refer to SmoothOn’s EZ~Spray® Junior manual and video.

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EpoxAmite™ HT

EpoxAmite™ HT High Temperature Laminating Epoxy is a water clear, UV resistant laminating epoxy that resists high temperatures up to 300°F / 149°C when properly cured. Pot life is 1 hour and cure time is 24 hours at 73°F / 23°C (post cure required – see post cure schedule). Ultra-low viscosity ensures uniform wetting out and fast penetration of reinforcement materials during hand lay-up or vacuum infusion processes. Cured resin offers superior physical properties.

EpoxAmite™ HT High Temp Laminating Epoxy can be used with S-Glass, E-Glass, Kevlar and carbon fibers for making composite tooling or parts.  Applications include making high temperature pre-preg parts, bonding fixtures, vacuum form molds and prototype injection molds.
Use as a backup laminating resin for EpoxAcoat™ HT high temperature surface coat epoxy.

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