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Ecoflex™ 5

Ecoflex™ 5 vs. URE-BOND™ 90

Super-Soft, Addition Cure Silicone Rubber

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Key Differences

Product Type
  • Silicone Rubber - Platinum Cure
  • Adhesives
Mixed Viscosity13,000 cps6,500 cps
Pot Life1 minute8 minutes
Cure Time5 minutes16 hours
Shore D Hardness90
Shore A Hardness5
ColorTranslucentAmber
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™ 90
Product Type
  • Silicone Rubber - Platinum Cure
  • Adhesives
Mixed Viscosity13,000 cps6,500 cps
Mix Ratio By Volume1A:1B1:1
Mix Ratio By Weight1A:1B100A:88B
Pot Life1 minute8 minutes
Handling Time4 hours
Cure Time5 minutes16 hours
Shore D Hardness90
Shore A Hardness5
Specific Gravity1.07 g/cc1.11 g/cc
Specific Volume25.8 cu. in./lb.25 cu. in./lb.
ColorTranslucentAmber
Die B Tear Strength75 pli
Tensile Strength350 psi
Elongation @ Break1,000 %
100% Modulus15 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™ 90

URE-BOND™ 90 is a two component, slightly expanding urethane adhesive that offers a strong, rigid bond between many different surfaces. It is often used to bond segments of tooling board as well as other porous and non-porous, rigid substrates.

Working time is 8 minutes, handling time is 4 hours and full cure time is 16 hours at room temperature (73°F / 23°C). 

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