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Ecoflex™ 5

Ecoflex™ 5 vs. TASK™ 9

Super-Soft, Addition Cure Silicone Rubber

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TASK™ 9

Ecoflex™ 5 vs. TASK™ 9Ecoflex™ 5

Color Matching High Performance Resin

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Key Differences

Product Type
  • Silicone Rubber - Platinum Cure
  • Urethane Resins
Mixed Viscosity13,000 cps300 cps
Pot Life1 minute7 minutes
Cure Time5 minutes1 hour
Shore D Hardness85
Shore A Hardness5
ColorTranslucentClear Amber
Tensile Strength350 psi7,800 psi
Elongation @ Break1,000 %6 %
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™ 9
Product Type
  • Silicone Rubber - Platinum Cure
  • Urethane Resins
Mixed Viscosity13,000 cps300 cps
Mix Ratio By Volume1A:1B1A:1B
Mix Ratio By Weight1A:1B115A:100B
Pot Life1 minute7 minutes
Cure Time5 minutes1 hour
Shore D Hardness85
Shore A Hardness5
Specific Gravity1.07 g/cc1.14 g/cc
Specific Volume25.8 cu. in./lb.24.3 cu. in./lb.
ColorTranslucentClear Amber
Die B Tear Strength75 pli
Tensile Strength350 psi7,800 psi
Tensile Modulus370,000 psi
Elongation @ Break1,000 %6 %
100% Modulus15 psi
Compressive Strength11,000 psi
Compressive Modulus98,000 psi
Flexural Strength11,850 psi
Flexural Modulus350,000 psi
Shrinkage<.001 in. / in.0.009 in. / in.
Heat Deflection Temp131 °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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TASK™ 9

TASK™ 9 Colormatch is a high performance urethane casting resin that features very high compressive strength and tensile strength. TASK™ 9 is clear amber, which makes this plastic very easy to color using SO-Strong™ or IGNITE™ colorants. With a mix ratio of 1A:1B by volume, TASK™ 9 is easy to use and a low mixed viscosity (300 cps) ensures minimal bubble entrapment. Pot life is 7 minutes and cure time is about 60 minutes (depending on mass).

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