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Plastics & Elastomers
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Plastics & Elastomers
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PMC® -744

Technical Datasheet | Supplied by Smooth-On
PMC® -744 by SmoothOn is a low viscosity, polyurethane rubber. Offers good strength, durability and dimensional stability. Designed for ceramic case molds, plaster block molds, reproducing ornamental plaster, making molds for casting concrete and wax for making candles & mechanical rubber parts. Recommended for casting plaster, concrete and resins. PMC® -744 is mixed 2A:1B solution by weight or volume.
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Product Type
PU (Polyurethane Rubber)
Physical Form
Liquid, Viscous
Appearance
Beige

PMC® -744 Properties

Physical Properties

Value & Unit
Test Condition
Test Method
Mixed Viscosity
3400 cps
(after 7 days, at 23°C)
ASTM D-2393
Pot Life
15 min
(after 7 days, at 23°C)
ASTM D-2471
Cure time
16 hr
(after 7 days, at 23°C)
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