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RU-440 A/B

Technical Datasheet | Supplied by Silpak

RU-440 A/B by Silpak is a low viscosity, liquid, 100% solids, easy to process, two-component urethane RTV elastomer. Offers excellent strength and excellent library shelf-life. Designed to make molds or rubber parts to cast concrete, wax and plaster parts. Shelf life of RU-440 A/B is 6 months at 65-85°F. Available as 100:50 mix ratio by weight.

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Product Type

PU (Polyurethane Rubber)

Physical Form

Liquid

Appearance

Yellow, Clear, Translucent amber

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RU-440 A/B Properties

Physical Properties

Value & Unit

Test Condition

Test Method

Specific Gravity

1.0

Gel time

20 min

Mixed Viscosity

3400 cps

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