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Ecoflex™ 5

Ecoflex™ 5 vs. TASK™ 14 vs. EA-40®

Super-Soft, Addition Cure Silicone Rubber

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TASK™ 14

Ecoflex™ 5 vs. TASK™ 14 vs. EA-40®Ecoflex™ 5

Semi-Rigid Black Urethane Casting Resin

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EA-40®

Ecoflex™ 5 vs. TASK™ 14 vs. EA-40®Ecoflex™ 5 versus TASK™ 14

Epoxy Adhesive and Laminating Resin

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Key Differences

Product Type
  • Silicone Rubber - Platinum Cure
  • Urethane Resins
  • Adhesives
Mixed Viscosity13,000 cps800 cpsLight Paste
Mix Ratio By Volume1A:1BN/A (gram scale required)1A:1B
Pot Life1 minute10 minutes2 hours
Cure Time5 minutes45 minutes24 hours
Barcol 935 Hardness66
Shore D Hardness50
Shore A Hardness5
ColorTranslucentBlackClear Amber
Tensile Strength350 psi1,800 psi3,400 psi
Elongation @ Break1,000 %125 %1.0 %
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™ 14EA-40®
Product Type
  • Silicone Rubber - Platinum Cure
  • Urethane Resins
  • Adhesives
Mixed Viscosity13,000 cps800 cpsLight Paste
Mix Ratio By Volume1A:1B1A:1B
Mix Ratio By Weight1A:1B100A:120B1A:1B
Pot Life1 minute10 minutes2 hours
Cure Time5 minutes45 minutes24 hours
Barcol 935 Hardness66
Shore D Hardness50
Shore A Hardness5
Specific Gravity1.07 g/cc1.15 g/cc1.10 g/cc
Specific Volume25.8 cu. in./lb.24.1 cu. in./lb.
ColorTranslucentBlackClear Amber
Die B Tear Strength75 pli
Tensile Strength350 psi1,800 psi3,400 psi
Elongation @ Break1,000 %125 %1.0 %
100% Modulus15 psi
Shrinkage<.001 in. / in.0.0035 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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EA-40®

EA-40® Clear Amber Epoxy is an unfilled low-viscosity epoxy adhesive that can be spread easily in thin films that are almost transparent after curing. EA-40® has a long pot life and cures in 24 hours at room temperature to provide good mechanical and electrical properties. Mix ratio is 1:1 by volume. When mixed 2A:1B by volume, EA-40® will achieve greater heat resistance and improved physical properties. EA-40® is versatile and can be used for many different assembly and repair applications ranging from electrical potting to jewelry assembly to repairing plumbing fixtures. Bow makers have come to know EA-40® as a tremendous laminating resin. EA-40® provides highly moisture resistant bonds meeting the performance requirements for Federal Specification MMM-A-188, Type III.

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Silicone Rubber - Tin Cure ›

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Epoxy Casting and Laminating Resins ›

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Mix and Pour Expanding Foams ›

Adhesives ›

Lifecasting Materials ›

Skin Safe FX Materials ›

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