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EpoxAcoat™ HT

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

High Temp Surface Coat Epoxy

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Key Differences

Product Type
  • Silicone Rubber - Platinum Cure
  • Mix and Pour Expanding Foams
  • Epoxy Casting and Laminating Resins
  • Epoxy and Urethane Coatings
Mixed Viscosity11,000 cps400 cpsLight Paste
Mix Ratio By Volume1A:1B1A:1BN/A (gram scale required)
Pot Life5 minutes13 seconds40 minutes
Cure Time45 minutes10 minutes24 hours
Shore D Hardness85
Shore A Hardness22
ColorTranslucent GreenTanDark Red
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® FoamEpoxAcoat™ HT
Product Type
  • Silicone Rubber - Platinum Cure
  • Mix and Pour Expanding Foams
  • Epoxy Casting and Laminating Resins
  • Epoxy and Urethane Coatings
Mixed Viscosity11,000 cps400 cpsLight Paste
Mix Ratio By Volume1A:1B1A:1B
Mix Ratio By Weight100A:18B
Pot Life5 minutes13 seconds40 minutes
Thin Film Working Time75 minutes
Thin Film Recoat Time4 hours
Tack Free Time2 minutes
Cure Time45 minutes10 minutes24 hours
Shore D Hardness85
Shore A Hardness22
Expansion (approximate)7 times
Specific Gravity1.08 g/cc0.128 g/cc
Specific Volume25.6 cu. in./lb.
ColorTranslucent GreenTanDark Red
Die B Tear Strength102 pli
Tensile Strength490 psi
Elongation @ Break450 %
100% Modulus49 psi
Shrinkage<.001 in. / in.
Heat Deflection Temp133 °F
Useful Temperature (min)-65 °F
Useful Temperature (max)500 °F
Heat Deflection With Post Cure284 °F

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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EpoxAcoat™ HT

EpoxAcoat™ HT is a slightly thixotropic epoxy gel coat that offers high heat resistance (post cure required).  Cured epoxy is tough and offers exceptional abrasion resistance.  This surface coat will wet out well over a variety of surfaces with good sag resistance.  Applications include laminating, precision tooling, master and pattern making, core boxes and fixtures.
Use as a surface coat for EpoxAmite™ HT high temperature laminating epoxy.

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Silicone Rubber - Tin Cure ›

Silicone Rubber - Platinum Cure ›

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Polysulfide Rubber ›

Urethane Resins ›

Epoxy Casting and Laminating Resins ›

Epoxy Putties ›

Epoxy and Urethane Coatings ›

Mix and Pour Expanding Foams ›

Adhesives ›

Lifecasting Materials ›

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Polymer Modifiers for Concrete and Gypsum ›