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by SpecialChem

PMC® -121/50

Technical Datasheet | Supplied by Smooth-On

PMC® -121/50 by SmoothOn is a wet, long lasting, durable polyurethane rubber. Exhibits exceptional strength and good abrasion resistance. It has a higher net shrinkage value than dry rubber. It exudes oil that aids in demolding hard plasters and concrete. Recommended for molds to reproduce sculpture and architectural elements & for making special effects, toys and prototypes. Also used in the reproduction of ornamental plaster, precast concrete and ceramic case molds. PMC® -121/50 is mixed 1:1 solution by weight or volume.

PMC® -121/50 Properties

Flammability Properties

Value & Unit

Test Condition

Test Method

Flash Point

> 270 °F

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