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Ecoflex™ 5

Rubber Glass™ vs. Ecoflex™ 5 vs. TASK™ 14

Super-Soft, Addition Cure Silicone Rubber

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TASK™ 14

Rubber Glass™ vs. Ecoflex™ 5 vs. TASK™ 14Ecoflex™ 5

Semi-Rigid Black Urethane Casting Resin

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Rubber Glass™

Rubber Glass™ vs. Ecoflex™ 5 vs. TASK™ 14Ecoflex™ 5 versus TASK™ 14

For Flexible Fake Glass & Ice Effects

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Key Differences

Product Type
  • Silicone Rubber - Platinum Cure
  • Urethane Resins
  • Silicone Rubber - Platinum Cure
Mixed Viscosity13,000 cps800 cps150 cps
Mix Ratio By Volume1A:1BN/A (gram scale required)1A:1B
Pot Life1 minute10 minutes120 minutes
Cure Time5 minutes45 minutes16 hours
Shore D Hardness50
Shore A Hardness533
ColorTranslucentBlackClear
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™ 14Rubber Glass™
Product Type
  • Silicone Rubber - Platinum Cure
  • Urethane Resins
  • Silicone Rubber - Platinum Cure
Mixed Viscosity13,000 cps800 cps150 cps
Mix Ratio By Volume1A:1B1A:1B
Mix Ratio By Weight1A:1B100A:120B1A:1B
Pot Life1 minute10 minutes120 minutes
Cure Time5 minutes45 minutes16 hours
Shore D Hardness50
Shore A Hardness533
Specific Gravity1.07 g/cc1.15 g/cc0.97 g/cc
Specific Volume25.8 cu. in./lb.24.1 cu. in./lb.28.6 cu. in./lb.
ColorTranslucentBlackClear
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
Dielectric Strength319 volts/mil
Dielectric Constant, 100Hz3.17

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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Rubber Glass™

Rubber Glass™ is a platinum-catalyzed silicone rubber product developed specifically for special effects and display applications. Two liquids (1 Part A + 1 Part B) are mixed together and poured into a container.

The mixture cures overnight to a solid water clear rubber that can then be easily broken or “crumbled” into pieces that look exactly like broken glass, ice or diamonds. Vibrant colors are possible by adding Silc-Pig™ liquid color pigments.

Rubber Glass™ can be used to create a variety of special effects (i.e. simulated broken glass where human contact is required) and model effects (i.e. simulated ice or water). It can also be used for electronic encapsulation applications.

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Silicone Rubber - Platinum Cure ›

Urethane Rubber ›

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