This is a lower viscosity platinum silicone rubber (21,000 cps). It is easier to mix, vacuum degas, and pour and offers flexibility and stability.
Food-safe and durable platinum-cure silicone rubber with Shore 40A hardness.
High-quality platinum-cure silicone rubber is designed for durability, tear strength, and precise reproduction of fine details.
Food-safe, high-durometer platinum-cure silicone rubber offering strength, stability, and durability, suitable for culinary molding applications.
Food-safe, platinum-cure silicone rubber, chemical and heat resistant, good for production casting of resins and foams.
| Product | Cure Time | Shore A Hardness | Specific Gravity | Specific Volume | Color | Tensile Strength | Shrinkage | Elongation At Break | Hundred Percent Modulus | Die B Tear Strength | Useful Temperature Min | Mixed Viscocity | Mix Ratio By Weight | Pot Life | Hundred Percent Modulus | Color | Die B Tear Strength | Mixed Viscocity | Useful Temperature Min | Cure Time | Pot Life | Specific Volume | Specific Gravity | Mix Ratio By Weight | Shrinkage | Tensile Strength | Elongation At Break | Shore A Hardness | Mix Ratio By Volume | Mix Ratio By Volume | Thermal Conductivity | Thermal Conductivity |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Smooth-Sil™ 936 | 24 h. | 36 | 1.21 g/cc | 22.9 cu. in./lb. | Blue | 550 psi | <0.001 in. / in. | 500 % | 180 psi | 110 pli | -65 °F | 21,000 cps | 100A:10B | 60 min. | 180 psi | Blue | 110 pli | 21,000 cps | -65 °F | 24 h. | 60 min. | 22.9 cu. in./lb. | 1.21 g/cc | 100A:10B | <0.001 in. / in. | 550 psi | 500 % | 36 | - | - | - | - |
| Smooth-Sil™ 940 | 24 h. | 40 | 1.18 g/cc | 23.4 cu. in./lb. | Pink | 600 psi | <.001 in. / in. | 300 % | 200 psi | 100 pli | -65 °F | 35,000 cps | 100A:10B | 30 min. | 200 psi | Pink | 100 pli | 35,000 cps | -65 °F | 24 h. | 30 min. | 23.4 cu. in./lb. | 1.18 g/cc | 100A:10B | <.001 in. / in. | 600 psi | 300 % | 40 | - | - | - | - |
| Smooth-Sil™ 945 | 6 h. | 45 | 1.24 g/cc | 22.3 cu. in./lb. | Purple | 700 psi | <.001 in. / in. | 320 % | 260 psi | 120 pli | -65 °F | 30,000 cps | 1A:1B | 25 min. | 260 psi | Purple | 120 pli | 30,000 cps | -65 °F | 6 h. | 25 min. | 22.3 cu. in./lb. | 1.24 g/cc | 1A:1B | <.001 in. / in. | 700 psi | 320 % | 45 | 1A:1B | 1A:1B | - | - |
| Smooth-Sil™ 950 | 18 h. | 50 | 1.24 g/cc | 22.3 cu. in./lb. | Blue | 725 psi | <.001 in. / in. | 320 % | 272 psi | 155 pli | -65 °F | 35,000 cps | 100A:10B | 45 min. | 272 psi | Blue | 155 pli | 35,000 cps | -65 °F | 18 h. | 45 min. | 22.3 cu. in./lb. | 1.24 g/cc | 100A:10B | <.001 in. / in. | 725 psi | 320 % | 50 | - | - | 0.261 W/M*K | 0.261 W/M*K |
| Smooth-Sil™ 960 | 16 h. | 60 | 1.25 g/cc | 22.2 cu. in./lb. | Green | 650 psi | <.001 in. / in. | 270 % | 280 psi | 110 pli | -65 °F | 30,000 cps | 100A:10B | 45 min. | 280 psi | Green | 110 pli | 30,000 cps | -65 °F | 16 h. | 45 min. | 22.2 cu. in./lb. | 1.25 g/cc | 100A:10B | <.001 in. / in. | 650 psi | 270 % | 60 | - | - | - | - |
For over thirty years we have sought out the highest quality modelling, moulding and casting materials from around the world.
From silicones and resins to Jesmonite and special effects materials — a curated range for professionals, artists and makers.
Our sales team is widely known for their knowledge and dedication, supporting you in mould making, casting, sculpture and prototyping.
We ship from our warehouses in Amsterdam, Barcelona and Madrid to customers throughout Europe, from Greece up to Norway.
Founded in Amsterdam, FormX grew from a local art foundry into a major European supplier — with our roots firmly in the city.
FormX is specialized in the supply of the highest quality 3D modelling and reproduction materials available and has warehouses and showrooms in Amsterdam, Barcelona and Madrid.
