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

Select a Product Below	Mix Ratio By Weight	Pot Life	Cure Time	Mixed viscosity	Shore Hardness	Elongation at break
› Smooth‑Sil™ 910	100A:10B	90 mins	24 hrs	20000 cps	18	450%
› Smooth‑Sil™ 936	100A:10B	60 mins	24 hrs	21,000 cps	36 A	500%
› Smooth‑Sil™ 940	100A:10B	30 mins	24 hrs	35,000 cps	40 A	300%
› Smooth‑Sil™ 945	1A:1B	25 mins	6 hrs	30,000 cps	45 A	320%
› Smooth‑Sil™ 950	100A:10B	45 mins	18 hrs	35,000 cps	50 A	320%
› Smooth‑Sil™ 960	100A:10B	45 mins	16 hrs	30,000 cps	60 A	270%

Resources and Citations

• Smooth-On: Smooth-Sil series

• Conservation Support Systems, Catalog, 1997