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PMC®-121 30/DRY

PMC®-121 30/DRY Technical Specifications

Easy To Use Urethane Rubber

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All Technical Data

PMC®-121 30/DRY
Product Type
  • Urethane Rubber
Mixed Viscosity1,800 cps
Mix Ratio By Volume1A:1B
Mix Ratio By Weight1A:1B
Pot Life30 minutes
Cure Time16 hours
Shore A Hardness30
Specific Gravity1.04 g/cc
Specific Volume26.7 cu. in./lb.
ColorClear Amber
Die C Tear Strength75 pli
Tensile Strength400 psi
Elongation @ Break1,000 %
100% Modulus82 psi
Shrinkage< .001 in. / in.

Product Description

PMC®-121 30/DRY

The PMC®-121 Series urethane rubbers feature convenient one-to-one by volume mix ratios. PMC®-121/30 Dry is exceptionally strong and abrasion resistant for soft urethane mold rubbers. It does not exude oil and can be used for casting waxes, Smooth-On liquid plastics, gypsum plasters and other materials.

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