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OOMOO® 25

Technical Datasheet | Supplied by Smooth-On

OOMOO® 25 by SmoothOn is an easy to use, low viscosity silicone rubber. It can be cured at room temperature with 6 hours cure time. Offers easy mixing & pouring and negligible shrinkage. Suitable for art-related and industrial applications including making one & two-piece block molds for sculpture and prototype reproduction, casting plaster, resins and wax. Designed for electrical potting and encapsulation applications. OOMOO® 25 is mixed 1A:1B solution by volume and 100A:130B by weight.

OOMOO® 25 Properties

Physical Properties

Value & Unit

Test Condition

Test Method

Mixed Viscosity

4250 cps

(after 7 days, at 23°C)

ASTM D-2393

Specific Gravity

1.34 g/cm³

(after 7 days, at 23°C)

ASTM D-1475

Pot Life

15 min

(after 7 days, at 23°C)

ASTM D-2471

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