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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.

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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