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Ecoflex™ 5

Ecoflex™ 5 vs. PC-3®

Super-Soft, Addition Cure Silicone Rubber

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PC-3®

Ecoflex™ 5 vs. PC-3®Ecoflex™ 5

Laboratory Tabletop Epoxy Adhesive

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Key Differences

Product Type
  • Silicone Rubber - Platinum Cure
  • Adhesives
Mixed Viscosity13,000 cpsPaste
Pot Life1 minute20 minutes
Cure Time5 minutes24 hours
Barcol 935 Hardness75
Shore A Hardness5
Specific Volume25.8 cu. in./lb.20 cu. in./lb.
ColorTranslucentBlack
Tensile Strength350 psi3,000 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™ 5PC-3®
Product Type
  • Silicone Rubber - Platinum Cure
  • Adhesives
Mixed Viscosity13,000 cpsPaste
Mix Ratio By Volume1A:1B1A:1B
Mix Ratio By Weight1A:1B1A:1B
Pot Life1 minute20 minutes
Cure Time5 minutes24 hours
Barcol 935 Hardness75
Shore A Hardness5
Specific Gravity1.07 g/cc1.4 g/cc
Specific Volume25.8 cu. in./lb.20 cu. in./lb.
ColorTranslucentBlack
Die B Tear Strength75 pli
Tensile Strength350 psi3,000 psi
Elongation @ Break1,000 %
100% Modulus15 psi
Flexural Strength5,000 psi
Shrinkage<.001 in. / in.0.003 in. / in.
Useful Temperature (min)-65 °F
Useful Temperature (max)450 °F
Compressive Yield Strength5,000 psi

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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PC-3®

Smooth-On PC-3® Laboratory Table Top Cement is a two-component, black epoxy resin compound designed to join, bond and caulk sections of laboratory counters and tables. This epoxy resin cement is heavily filled and will adhere to vertical surfaces without sagging. It cures at room temperature with extremely low shrinkage.

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