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Plastics & Elastomers
The material selection platform
Plastics & Elastomers
by SpecialChem
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PMC® -770

Technical Datasheet | Supplied by Smooth-On
PMC® -770 by SmoothOn is a polyurethane rubber. Offers exceptional performance and dimensional stability. It can be easily cured at room temperature. Suitable for casting of abrasive materials such as concrete including pre-cast concrete & stamping pads and gypsum plasters with high exotherms. Designed for use in rubber mechanical parts of gaskets, wheels, pullies, ball mill liners and vibration/shock pads. Recommended for industrial and casting applications. PMC® -770 is mixed 2A:1B solution by weight or volume.
Product Type
PU (Polyurethane Rubber)
Physical Form
Liquid, Viscous
Light Amber

PMC® -770 Properties

Physical Properties

Value & Unit
Test Condition
Test Method
Mixed Viscosity
3000 cps
(after 7 days, at 23°C)
ASTM D-2393
Specific Gravity
1.04 g/cm³
(after 7 days, at 23°C)
ASTM D-1475
Pot Life
30 min
(after 7 days, at 23°C)
ASTM D-2471
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