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Ecoflex™ 5

Ecoflex™ 5 vs. EpoxAcast™ 655 + 102 Hardener vs. EpoxAmite™ HT

Super-Soft, Addition Cure Silicone Rubber

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EpoxAmite™ HT

Ecoflex™ 5 vs. EpoxAcast™ 655 + 102 Hardener vs. EpoxAmite™ HTEcoflex™ 5 versus EpoxAcast™ 655 + 102 Hardener

High-Temp Laminating Epoxy

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Key Differences

Product Type
  • Silicone Rubber - Platinum Cure
  • Epoxy Casting and Laminating Resins
  • Epoxy Casting and Laminating Resins
Mixed Viscosity13,000 cps23,000 cps650 cps
Mix Ratio By Volume1A:1BN/A (gram scale required)N/A (gram scale required)
Pot Life1 minute75 minutes60 minutes
Cure Time5 minutes9 hours24 hours
Shore D Hardness9080
Shore A Hardness5
Specific Volume25.8 cu. in./lb.16.7 cu. in./lb.25.2 cu. in./lb.
ColorTranslucentGreyClear
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

Ecoflex™ 5EpoxAcast™ 655 + 102 HardenerEpoxAmite™ HT
Product Type
  • Silicone Rubber - Platinum Cure
  • Epoxy Casting and Laminating Resins
  • Epoxy Casting and Laminating Resins
Mixed Viscosity13,000 cps23,000 cps650 cps
Mix Ratio By Volume1A:1B
Mix Ratio By Weight1A:1B100A:11B100A:33B
Pot Life1 minute75 minutes60 minutes
Thin Film Working Time180 minutes
Cure Time5 minutes9 hours24 hours
Shore D Hardness9080
Shore A Hardness5
Specific Gravity1.07 g/cc1.66 g/cc1.1 g/cc
Specific Volume25.8 cu. in./lb.16.7 cu. in./lb.25.2 cu. in./lb.
ColorTranslucentGreyClear
Die B Tear Strength75 pli
Tensile Strength350 psi
Tensile Modulus2,040,000 psi342,000 psi
Ultimate Tensile4,810 psi6,500 psi
Tensile Elongation2.3 %
Elongation @ Break1,000 %
100% Modulus15 psi
Compressive Strength12,500 psi16,600 psi
Compressive Modulus125,500 psi168,000 psi
Flexural Strength7,660 psi12,325 psi
Flexural Modulus1,403,000 psi429,000 psi
Shrinkage<.001 in. / in.0.0006 in. / in.
Heat Deflection Temp135 °F
Useful Temperature (min)-65 °F
Useful Temperature (max)450 °F
Flexural Modulus on 6 ply / 10 oz. Laminate2,216,000 psi
Ultimate Tensile on 6 ply / 10 oz. Laminate32,100 psi
Heat Deflection With Post Cure300 °F
Tensile Modulus on 6 ply / 10 oz. Laminate2,150,000 psi
Flexural Strength on 6 ply / 10 oz. Laminate20,700 psi

Product Description

Ecoflex™ 5

Ecoflex™ rubbers are platinum-catalyzed silicones that are versatile and easy to use. Ecoflex™ rubbers are mixed 1A:1B by weight or volume and cured at room temperature with negligible shrinkage.  Low viscosity ensures easy mixing and de-airing. Dispense using our convenient dispensing cartridges. Cured rubber is very soft, very strong and very “stretchy”, stretching many times its original size without tearing and will rebound to its original form without distortion.

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EpoxAcast™ 655 + 102 Hardener

EpoxAcast655 (formerly Metalset™ A-30) is a versatile aluminum filled castable epoxy that is very hard and strong. It is dimensionally stable, even when mass cast up to 512 in3 / 8,390 cm3.

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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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