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Ecoflex™ 5

Ecoflex™ 5 vs. PMC®-790

Super-Soft, Addition Cure Silicone Rubber

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PMC®-790

Ecoflex™ 5 vs. PMC®-790Ecoflex™ 5

Industrial Liquid Rubber Compound

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Key Differences

Product Type
  • Silicone Rubber - Platinum Cure
  • Urethane Rubber
Mixed Viscosity13,000 cps3,000 cps
Pot Life1 minute20 minutes
Cure Time5 minutes48 hours
Shore A Hardness590
ColorTranslucentClear Amber
Elongation @ Break1,000 %550 %
100% Modulus15 psi640 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™ 5PMC®-790
Product Type
  • Silicone Rubber - Platinum Cure
  • Urethane Rubber
Mixed Viscosity13,000 cps3,000 cps
Mix Ratio By Volume1A:1B2A:1B
Mix Ratio By Weight1A:1B2A:1B
Pot Life1 minute20 minutes
Cure Time5 minutes48 hours
Shore A Hardness590
Specific Gravity1.07 g/cc1.07 g/cc
Specific Volume25.8 cu. in./lb.25.9 cu. in./lb.
ColorTranslucentClear Amber
Die B Tear Strength75 pli
Die C Tear Strength300 pli
Tensile Strength350 psi>2000 psi
Elongation @ Break1,000 %550 %
100% Modulus15 psi640 psi
Shrinkage<.001 in. / in.<.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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PMC®-790

PMC®-790 is a Shore 90A industrial urethane rubber compound designed to meet the most stringent requirements of industrial production applications. It is a very hard rubber that offers superior tear and tensile strength as well as impact and abrasion resistance. 

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