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Ecoflex™ 5

Ecoflex™ 5 vs. Body Double™ SILK vs. TASK™ 14

Super-Soft, Addition Cure Silicone Rubber

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TASK™ 14

Ecoflex™ 5 vs. Body Double™ SILK vs. TASK™ 14Ecoflex™ 5

Semi-Rigid Black Urethane Casting Resin

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Body Double™ SILK

Ecoflex™ 5 vs. Body Double™ SILK vs. TASK™ 14Ecoflex™ 5 versus TASK™ 14

Self-Releasing Lifecasting Silicone Rubber

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Key Differences

Product Type
  • Silicone Rubber - Platinum Cure
  • Urethane Resins
  • Silicone Rubber - Platinum Cure
  • Lifecasting Materials
Mixed Viscosity13,000 cps800 cpsBrushable
Mix Ratio By Volume1A:1BN/A (gram scale required)1A:1B
Pot Life1 minute10 minutes6 minutes
Cure Time5 minutes45 minutes20 minutes
Shore D Hardness50
Shore A Hardness525
Specific Volume25.8 cu. in./lb.24.1 cu. in./lb.30.4 cu. in./lb.
ColorTranslucentBlackGreen
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™ 5TASK™ 14Body Double™ SILK
Product Type
  • Silicone Rubber - Platinum Cure
  • Urethane Resins
  • Silicone Rubber - Platinum Cure
  • Lifecasting Materials
Mixed Viscosity13,000 cps800 cpsBrushable
Mix Ratio By Volume1A:1B1A:1B
Mix Ratio By Weight1A:1B100A:120B1A:1B
Pot Life1 minute10 minutes6 minutes
Cure Time5 minutes45 minutes20 minutes
Shore D Hardness50
Shore A Hardness525
Specific Gravity1.07 g/cc1.15 g/cc0.91 g/cc
Specific Volume25.8 cu. in./lb.24.1 cu. in./lb.30.4 cu. in./lb.
ColorTranslucentBlackGreen
Die B Tear Strength75 pli
Tensile Strength350 psi1,800 psi
Elongation @ Break1,000 %125 %
100% Modulus15 psi
Shrinkage<.001 in. / in.0.0035 in. / in.<.001 in. / in.
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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TASK™ 14

TASK™ 14 is a fast setting two-component urethane that cures quickly to black semi-rigid plastic. TASK™ 14 offers a longer pot life (10 minutes) and demold time of 45 minutes.

With a Shore value of 50D, these semi-rigid plastics are used for a variety of industrial applications including fast mold making, fast model duplication, prototyping, durable miniatures, black props and special effects, or making parts that are impact resistant. Fully cured castings are tough, durable and chemical resistant.

For Best Results… Do not cast TASK™ 14 into platinum cure (addition cure) silicone molds.

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Body Double™ SILK

Body Double™ SILK is a self-releasing platinum-cure silicone rubber that can be applied directly to the skin to make molds of the face, hands and other body parts. The rubber cures quickly and will reproduce excellent detail from any original model. Certified Skin Safe - Material is skin safe and certified by an independent laboratory. 

Body Double™ SILK will release from closely cropped hair-covered skin surfaces(short beards, mustaches, eyebrows, pubic hair, etc.). Release cream or Hyperfolic are not needed when using Body Double™ SILK. Body Double™ SILK will last for many castings of almost any material including plaster, Matrix™ Neo™, wax, resins (Smooth-Cast urethanes, polyester, etc.) Body Double™ SILK has a working time of 6 minutes and a demold time of 20 minutes*.

*Depending on material temperature, ambient temperature and body temperature – see “Preparation” below for details.

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Lifecasting Materials ›

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