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Plastics & Elastomers
The material selection platform
Plastics & Elastomers
by SpecialChem
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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.
Product Type
PU (Polyurethane Rubber)
Physical Form
Liquid, Viscous
Clear, Amber

PMC® -121/50 Properties

Flammability Properties

Value & Unit
Test Condition
Test Method
Flash Point
> 270 °F
( )
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