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by SpecialChem

RU-448 A/B

Technical Datasheet | Supplied by Silpak

RU-448 A/B by Silpak is a 100% solids, two-component, easy to process urethane RTV elastomer. It is available as 100:100 mix ratio by weight. Designed for creating molds & large rubber parts where dimensional stability is required to avert distortion. Molds are used to cast cement, wax and plaster parts. Provides semi flexibility, good abrasion resistance, good elongation and easier demolding. Shelf life of RU-448 A/B is 6 months at 65-85°F.

RU-448 A/B Properties

Physical Properties

Value & Unit

Test Condition

Test Method

Viscosity (Component A)

3500 cps

Viscosity (Component B)

1000 cps

Gel time

30 min

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