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Ecoflex™ 5

Ecoflex™ 5 vs. URE-BOND™ II

Super-Soft, Addition Cure Silicone Rubber

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URE-BOND™ II

Ecoflex™ 5 vs. URE-BOND™ IIEcoflex™ 5

Flexible Urethane Adhesive

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Key Differences

Product Type
  • Silicone Rubber - Platinum Cure
  • Urethane Rubber
  • Adhesives
Mixed Viscosity13,000 cps5,400 cps
Pot Life1 minute5 minutes
Cure Time5 minutes24 hours
Shore A Hardness585
ColorTranslucentAmber
Tensile Strength350 psi3,400 psi
Elongation @ Break1,000 %121 %
100% Modulus15 psi700 psi
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™ 5URE-BOND™ II
Product Type
  • Silicone Rubber - Platinum Cure
  • Urethane Rubber
  • Adhesives
Mixed Viscosity13,000 cps5,400 cps
Mix Ratio By Volume1A:1B1A:1B
Mix Ratio By Weight1A:1B100A:92B
Pot Life1 minute5 minutes
Cure Time5 minutes24 hours
Shore A Hardness585
Specific Gravity1.07 g/cc1.1 g/cc
Specific Volume25.8 cu. in./lb.25 cu. in./lb.
ColorTranslucentAmber
Die B Tear Strength75 pli
Die C Tear Strength175 pli
Tensile Strength350 psi3,400 psi
Elongation @ Break1,000 %121 %
100% Modulus15 psi700 psi
Shrinkage<.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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URE-BOND™ II

URE-BOND® II is a premium performance urethane adhesive compound that offers a strong flexible bond between many different surfaces. URE-BOND® is ideal for adhering polyurethane rubber and other polymer products to many types of substrates (such as plaster, wood, cement, stone) and non-porous materials (such as glass, hard plastics and a variety of metals). URE-BOND® II has also been used to repair torn polyurethane molds on a limited basis (with proper surface preparation). Working time is 5 minutes at room temperature (73° F / 23° C). Once mixed and applied, URE-BOND® takes about 60 minutes to cure and yields a strong, flexible bond.

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