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EpoxAcast™ 650 BLACK + 102 Hardener

Ecoflex™ GEL vs. EpoxAcast™ 650 BLACK + 102 Hardener

Mineral filled general purpose casting epoxy

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Ecoflex™ GEL

Ecoflex™ GEL vs. EpoxAcast™ 650 BLACK + 102 HardenerEpoxAcast™ 650 BLACK + 102 Hardener

Platinum Cure Silicone Rubber For Special Effects

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Key Differences

Product Type
  • Epoxy Casting and Laminating Resins
  • Silicone Rubber - Platinum Cure
  • Skin Safe FX Materials
Mixed Viscosity7,000 cps9,300 cps
Mix Ratio By VolumeN/A (gram scale required)1A:1B
Pot Life90 minutes15 minutes
Cure Time4 hours2 hours
Barcol 935 Hardness93
Shore A Hardness000-35
Specific Volume18.22 cu. in./lb.28 cu. in./lb.
ColorBlackTranslucent
Disclaimer
Although we do our best to ensure accuracy, Smooth-On offers no warranties, promises, and/or representations of any kind, either expressed or implied, as to the accuracy, completeness, or reliability of the information contained on this Compare Tool, nor suitability of the information contained herein to your particular circumstances. Smooth-On assumes no liability for losses or damages of whatever nature (direct, indirect, consequential or other) associated with your use, or inability to use, the Compare Tool, or from your use (or failure to use) the information contained herein. Other useful tools include product technical bulletins and our extensive FAQ section. You can also contact our technical support team.

All Technical Data

EpoxAcast™ 650 BLACK + 102 HardenerEcoflex™ GEL
Product Type
  • Epoxy Casting and Laminating Resins
  • Silicone Rubber - Platinum Cure
  • Skin Safe FX Materials
Mixed Viscosity7,000 cps9,300 cps
Mix Ratio By Volume1A:1B
Mix Ratio By Weight100A:13B1A:1B
Pot Life90 minutes15 minutes
Cure Time4 hours2 hours
Barcol 935 Hardness93
Shore A Hardness000-35
Specific Gravity1.52 g/cc0.98 g/cc
Specific Volume18.22 cu. in./lb.28 cu. in./lb.
ColorBlackTranslucent
Tensile Modulus1,503,000 psi
Ultimate Tensile6,000 psi
Tensile Elongation0.42 %
Elongation @ Break>1000 %
Compressive Strength16,350 psi
Compressive Modulus142,600 psi
Flexural Strength5,890 psi
Flexural Modulus710,000 psi
Shrinkage0.001 in. / in.<.001 in. / in.
Heat Deflection Temp129 °F
Refractive Index1.40451

Product Description

EpoxAcast™ 650 BLACK + 102 Hardener

EpoxAcast™ 650 Black 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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Ecoflex™ GEL

Ecoflex™ GEL is an extremely soft, platinum silicone rubber gel specifically designed for creating silicone makeup appliances, for cushioning, creating gaskets, encapsulation, and other applications requiring a very soft silicone material.

Certified Skin Safe - Cured Ecoflex™ GEL is skin safe and is certified by an independent laboratory. 

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