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Smooth-Sil® Platinum Cure Silicone Rubber
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Smooth-Sil® Platinum Silicones cure at room temperature with negligible shrinkage. With different hardnesses to choose from, Smooth-Sil® products offer tremendous versatility and are suitable for making production molds of any configuration, large or small. These silicones exhibit good chemical, abrasion and heat resistance. Materials such as plasters, concrete, wax, low-melt metal alloys or resins (urethane, epoxy or polyester) can then be cast into these silicone rubbers without a release agent.

The cure time of Smooth-Sil® silicone can be accelerated using Plat Cat® additive.

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

Smooth-Sil® 935, 940 & 950 are mixed 100A:10B by weight, while new Smooth-Sil® 945 offers the convenience of a 1A:1B by volume mix ratio and a fast 6 hour cure time.
  • Smooth-Sil® 935 - Shore 35A hardness
  • Smooth-Sil® 940 - Shore 40A hardness 
  • Smooth-Sil® 945 - Shore 45A hardness
  • Smooth-Sil® 950 - Shore 50A hardness
For Shore A 10, 20 and 30 materials, review our expanded Dragon Skin® series-CLICK HERE

Technical Sheets - You Will Need Adobe Reader To View These Files
Smooth-Sil 935 and 940
Smooth-Sil 945
Smooth-Sil 950

Product Name: A:B Mix RatioDemold TimeElongation at BreakMixed ViscosityPot LifeShore A HardnessTear StrengthWeight: CU.IN./LBHow much
do I need?
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® 9451A:1B by volume6 hours320%30000 cps25 min.45120 pli22.3
Smooth-Sil® 950100:10 by weight24 hours300%35000 cps45 min.50155 pli22.3

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