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Ecoflex™ 5

Ecoflex™ 5 vs. Epsilon™ PRO vs. EpoxAmite™ HT

Super-Soft, Addition Cure Silicone Rubber

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Epsilon™ PRO

Ecoflex™ 5 vs. Epsilon™ PRO vs. EpoxAmite™ HTEcoflex™ 5

High Performance Impact Resistant EPS Foam Coating

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EpoxAmite™ HT

Ecoflex™ 5 vs. Epsilon™ PRO vs. EpoxAmite™ HTEcoflex™ 5 versus Epsilon™ PRO

High-Temp Laminating Epoxy

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Key Differences

Product Type
  • Silicone Rubber - Platinum Cure
  • Epoxy and Urethane Coatings
  • Epoxy Casting and Laminating Resins
Mixed Viscosity13,000 cps4,000 cps650 cps
Mix Ratio By Volume1A:1B2A:1BN/A (gram scale required)
Pot Life1 minute22 minutes60 minutes
Cure Time5 minutes16 hours24 hours
Shore D Hardness6580
Shore A Hardness5
ColorTranslucentClear AmberClear
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™ 5Epsilon™ PROEpoxAmite™ HT
Product Type
  • Silicone Rubber - Platinum Cure
  • Epoxy and Urethane Coatings
  • Epoxy Casting and Laminating Resins
Mixed Viscosity13,000 cps4,000 cps650 cps
Mix Ratio By Volume1A:1B2A:1B
Mix Ratio By Weight1A:1B100A:44B100A:33B
Pot Life1 minute22 minutes60 minutes
Thin Film Working Time35 minutes180 minutes
Thin Film Recoat Time3 hours
Cure Time5 minutes16 hours24 hours
Shore D Hardness6580
Shore A Hardness5
Specific Gravity1.07 g/cc1.11 g/cc1.1 g/cc
Specific Volume25.8 cu. in./lb.25.0 cu. in./lb.25.2 cu. in./lb.
ColorTranslucentClear AmberClear
Die B Tear Strength75 pli
Tensile Strength350 psi
Tensile Modulus342,000 psi
Ultimate Tensile6,500 psi
Tensile Elongation2.3 %
Elongation @ Break1,000 %
100% Modulus15 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)450 °F
Flexural Modulus on 6 ply / 10 oz. Laminate2,216,000 psi
Ultimate Tensile on 6 ply / 10 oz. Laminate32,100 psi
Flexural Strength on 6 ply / 10 oz. Laminate20,700 psi
Heat Deflection With Post Cure300 °F
Tensile Modulus on 6 ply / 10 oz. Laminate2,150,000 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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Epsilon™ PRO

Epsilon™ PRO is a thixotropic epoxy coating that self-thickens for brushing onto a variety of surfaces.  Compared to original Epsilon™, Epsilon™ PRO offers a longer working time and cured epoxy is semi-rigid, offering better impact resistance.  Mix ratio for Epsilon™ PRO is 2A:1B by volume (100A:44B by weight).  A gram scale is not needed to use this product.

Applied in thin layers, mixed material holds a vertical surface without sagging or slumping. Material wets out uniformly over different surfaces.  Pot life is 22 minutes, with a re-coat time of 3 hours.  All layers should be allowed to cure for 16 hours at 73° F / 23° C and can be accelerated with mild heat.  Epsilon™ PRO is clear and can be easily colored using Ignite™ or UVO™ colorants.  Cured coating has a gloss finish and can be sanded, primed and painted.

Applications: Epsilon™ PRO is suitable for use as a protective, impact resistant coating for EPS or polyurethane foam. It can also be applied to plaster, concrete, wood and fabrics. This product is not sensitive to moisture / humidity and contains no VOC’s. 

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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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