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Ecoflex™ 5

Ecoflex™ 5 vs. EZ-Spray™ Styrocoat™ vs. EpoxAcast™ 650 + 102 Hardener

Super-Soft, Addition Cure Silicone Rubber

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EpoxAcast™ 650 + 102 Hardener

Ecoflex™ 5 vs. EZ-Spray™ Styrocoat™ vs. EpoxAcast™ 650 + 102 HardenerEcoflex™ 5

Mineral Filled General Purpose Casting Epoxy

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EZ-Spray™ Styrocoat™

Ecoflex™ 5 vs. EZ-Spray™ Styrocoat™ vs. EpoxAcast™ 650 + 102 HardenerEcoflex™ 5 versus EpoxAcast™ 650 + 102 Hardener

Flame Rated Sprayable Plastic Coating

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Key Differences

Product Type
  • Silicone Rubber - Platinum Cure
  • Epoxy Casting and Laminating Resins
  • Epoxy and Urethane Coatings
Mixed Viscosity13,000 cps7,000 cpsVariable
Mix Ratio By Volume1A:1BN/A (gram scale required)1A:1B
Pot Life1 minute90 minutes2 seconds
Cure Time5 minutes4 hours60 minutes
Barcol 935 Hardness93
Shore D Hardness80
Shore A Hardness5
Specific Volume25.8 cu. in./lb.18.22 cu. in./lb.24.7 cu. in./lb.
ColorTranslucentOff WhiteOff White
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™ 650 + 102 HardenerEZ-Spray™ Styrocoat™
Product Type
  • Silicone Rubber - Platinum Cure
  • Epoxy Casting and Laminating Resins
  • Epoxy and Urethane Coatings
Mixed Viscosity13,000 cps7,000 cpsVariable
Mix Ratio By Volume1A:1B1A:1B
Mix Ratio By Weight1A:1B100A:13B
Pot Life1 minute90 minutes2 seconds
Cure Time5 minutes4 hours60 minutes
Barcol 935 Hardness93
Shore D Hardness80
Shore A Hardness5
Specific Gravity1.07 g/cc1.52 g/cc1.12 g/cc
Specific Volume25.8 cu. in./lb.18.22 cu. in./lb.24.7 cu. in./lb.
ColorTranslucentOff WhiteOff White
Die B Tear Strength75 pli
Tensile Strength350 psi
Tensile Modulus1,503,000 psi131,000 psi
Ultimate Tensile6,000 psi3,170 psi
Elongation @ Break1,000 %20 %
100% Modulus15 psi
Compressive Strength16,350 psi5,000 psi
Compressive Modulus142,600 psi47,600 psi
Flexural Strength5,890 psi6,400 psi
Flexural Modulus710,000 psi205,000 psi
Shrinkage<.001 in. / in.0.001 in. / in.0.015 in. / in.
Heat Deflection Temp129 °F130 °F
Useful Temperature (min)-65 °F
Useful Temperature (max)450 °F

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™ 650 + 102 Hardener

EpoxAcast™ 650 is a mineral filled general purpose casting epoxy that is low cost and versatile. It features a low mixed viscosity for minimal bubble entrapment.

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EZ-Spray™ Styrocoat™

StyroCoat™ Plastic is a flame rated (E-84) sprayable polyurethane plastic formulated to economically coat a variety of surfaces. Dispensed through Smooth-On’s EZ~Spray™, Jr. cartridge system, the plastic cures in about 2 seconds and can be applied to vertical surfaces without running off. An advantage of the system is that large areas can be covered in a short period of time. Cured plastic is lightweight, flame, impact, and water resistant. It can be sanded for priming and painting. Plastic can also be sprayed into a rubber mold to make fast, impact resistant castings (application of a release agent may be necessary before spraying into the mold). StyroCoat™ Plastic is used for theme design / fabrication applications, making movie set environments, making surfaces water resistant and other industrial applications.

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