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Smooth-Sil® Platinum Cure Silicone Rubber
Smooth-Sil® 930, 940 & 950 are mixed 100A:10B by weight and require an accurate gram scale or triple beam balance. Smooth-Sil® 920 and 910 are mixed 1A:1B by volume and require no scale for measuring. No post curing is required and the material cures with virtually no shrinkage. Ideal for reproducing exact detail of any model. These rubbers are suitable for making production molds of any configuration, large or small. Materials such as urethane, urethane foams, epoxies, polyester resins, wax and low-melt metal alloys (tin, pewter) can be cast into Smooth-Sil® Series Silicones without application of release agent.

Smooth-Sil® 940 is suitable for making baking molds and trays, ice trays, casting butter, chocolate and other applications used to produce food.

  • Smooth-Sil® 910 - Shore 10A hardness
  • Smooth-Sil® 920 - Shore 20A hardness
  • Smooth-Sil® 930 - Shore 30A hardness
  • Smooth-Sil® 940 - Shore 40A hardness
  • Smooth-Sil® 950 - Shore 50A hardness



Product Name: A:B Mix RatioDemold TimeElongation at BreakMixed ViscosityPot LifeShore A HardnessTear StrengthWeight: CU.IN./LBHow much
do I need?
Smooth-Sil® 9101:1 by volume7 hours1000%23000 cps45 min.10102 pli25.8
Smooth-Sil® 9201:1 by volume4 hours620%20000 cps25 min.20120 pli25.6
Smooth-Sil® 930100:10 by weight24 hours400%40000 cps30 min.30110 pli24.0
Smooth-Sil® 935100:10 by weight24 hours400%40000 cps45 min.35115 pli23.5
Smooth-Sil® 940 (Food Grade Applications)100:10 by weight24 hours300%35000 cps30 min.40100 pli23.4
Smooth-Sil® 950100:10 by weight24 hours300%35000 cps45 min.50155 pli22.3


TechnicalMSDS




Silicone Rubber Accessories » Silc-Pig® Silicone Pigments
Release Agents for Moldmaking and Casting » Ease Release® 200
Platinum Cure Silicone Accessories » Plat-Cat® Platinum Silicone Accelerator
Tools, Supplies and Equipment » Squirrel Mixers
Tools, Supplies and Equipment » Mixing Containers



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2000 Saint John Street, Easton PA 18042 | Order Desk: 800.762.0744 | Fax: 610.252.6200 | Tech Help: 610.252.5800

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