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Ecoflex™ 5

Dragon Skin™ 10 FAST vs. Ecoflex™ 5 vs. EpoxAcast™ 655 + 102 Hardener

Super-Soft, Addition Cure Silicone Rubber

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Dragon Skin™ 10 FAST

Dragon Skin™ 10 FAST vs. Ecoflex™ 5 vs. EpoxAcast™ 655 + 102 HardenerEcoflex™ 5 versus EpoxAcast™ 655 + 102 Hardener

Addition Cure Silicone Rubber Compound

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Key Differences

Product Type
  • Silicone Rubber - Platinum Cure
  • Epoxy Casting and Laminating Resins
  • Silicone Rubber - Platinum Cure
Mixed Viscosity13,000 cps23,000 cps23,000 cps
Mix Ratio By Volume1A:1BN/A (gram scale required)1A:1B
Pot Life1 minute75 minutes8 minutes
Cure Time5 minutes9 hours75 minutes
Shore D Hardness90
Shore A Hardness510
Specific Volume25.8 cu. in./lb.16.7 cu. in./lb.25.8 cu. in./lb.
ColorTranslucentGreyTranslucent
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 HardenerDragon Skin™ 10 FAST
Product Type
  • Silicone Rubber - Platinum Cure
  • Epoxy Casting and Laminating Resins
  • Silicone Rubber - Platinum Cure
Mixed Viscosity13,000 cps23,000 cps23,000 cps
Mix Ratio By Volume1A:1B1A:1B
Mix Ratio By Weight1A:1B100A:11B1A:1B
Pot Life1 minute75 minutes8 minutes
Cure Time5 minutes9 hours75 minutes
Shore D Hardness90
Shore A Hardness510
Specific Gravity1.07 g/cc1.66 g/cc1.07 g/cc
Specific Volume25.8 cu. in./lb.16.7 cu. in./lb.25.8 cu. in./lb.
ColorTranslucentGreyTranslucent
Die B Tear Strength75 pli102 pli
Tensile Strength350 psi475 psi
Tensile Modulus2,040,000 psi
Ultimate Tensile4,810 psi
Elongation @ Break1,000 %1,000 %
100% Modulus15 psi22 psi
Compressive Strength12,500 psi
Compressive Modulus125,500 psi
Flexural Strength7,660 psi
Flexural Modulus1,403,000 psi
Shrinkage<.001 in. / in.0.0006 in. / in.<.001 in. / in.
Heat Deflection Temp135 °F
Useful Temperature (min)-65 °F-65 °F
Useful Temperature (max)450 °F450 °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™ 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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Dragon Skin™ 10 FAST

Dragon Skin™ silicones are high performance platinum cure liquid silicone compounds that are used for a variety of applications ranging from creating skin effects and other movie special effects to making production molds for casting a variety of materials. Because of the superior physical properties and flexibility of Dragon Skin™ rubbers, they are also used for medical prosthetics and cushioning applications. Dragon Skin™ rubbers are also used for a variety of industrial applications and have a service temperature range of a constant -65°F to +450°F (-53°C to +232°C)

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