by SpecialChem

PMC® -790

Technical Datasheet | Supplied by Smooth-On

PMC® -790 by Smooth-On is a very hard polyurethane rubber. Offers superior tear & tensile strength, good impact and abrasion resistance. It can be easily cured at room temperature. Suitable for making ball mill liners, industrial rollers & belts, rubber mechanical parts and bonding itself or other substrates to metal. Recommended for industrial production applications including making concrete stamping pads, mold liners and molds for casting concrete. PMC® -790 is mixed 2A:1B solution by weight or volume.

PMC® -790 Properties

Physical Properties

Value & Unit

Test Condition

Test Method

Specific Gravity

1.07 g/cm³

(after 7 days, at 23°C)

ASTM D1475

Specific Volume

25.9 cu.in./lb.

(after 7 days, at 23°C)

ASTM D1475

Pot Life

20 min

(after 7 days, at 23°C)

ASTM D2471

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