Smooth-Sil

Description

[Smooth-On] A trademark for a series of two-component liquid silicone rubber compounds. Smooth-Sil (TM) Platinum silicones are cured with a platinum catalysts. These low viscosity rubbers pour easily and cure at room temperature with negligible shrinkage. Smooth-Sil is used for making molds of sculptures and architectural details. The molds can be cast with plaster, resins, and low melt alloys.

Synonyms and Related Terms

Smooth-On Platinum Silicones; Smooth-Sil 910; Smooth-Sil 920; Smooth-Sil 930; Smooth-Sil-945

Risks

• Sculpt.com: Smoth-Sil 950 MSDS

Physical and Chemical Properties

• Pot life = 90 minutes
• Cure time = 16 hours
• Mixed viscosity = 4500 cps
• Shore Hardness = 35
• Elongation at break = 175%

Resources and Citations

• Smooth-On: Smooth-Sil series

• Conservation Support Systems, Catalog, 1997