Smooth-Sil
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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%
| Select a Product Below | Mix Ratio By Weight | Mix Ratio By Volume | Hardness | Pot Life | Cure Time | Mixed viscosity | Shore Hardness | Elongation at break |
|---|---|---|---|---|---|---|---|---|
| › Smooth‑Sil™ 910 | 100A:10B | – | 36 A | 90 mins | 24 hrs | 20000 cps | 18 | 450% |
| › Smooth‑Sil™ 936 | 100A:10B | – | 36 A | 60 mins | 24 hrs | |||
| › Smooth‑Sil™ 940 | 100A:10B | – | 40 A | 30 mins | 24 hrs | |||
| › Smooth‑Sil™ 945 | 1A:1B | 1A:1B | 45 A | 25 mins | 6 hrs | |||
| › Smooth‑Sil™ 950 | 100A:10B | – | 50 A | 45 mins | 18 hrs | |||
| › Smooth‑Sil™ 960 | 100A:10B | – | 60 A | 45 mins | 16 hrs |
Resources and Citations
- Smooth-On: Smooth-Sil series
- Conservation Support Systems, Catalog, 1997