Compare Tool


Smooth-Sil™ 950

Smooth-Sil™ 950 Technical Specifications

Addition Cure Silicone Rubber Compounds

 View Product

Add Material to Compare

start over

All Technical Data

Smooth-Sil™ 950
Product Type
  • Silicone Rubber - Platinum Cure
Mixed Viscosity35,000 cps
Mix Ratio By Weight100A:10B
Pot Life45 minutes
Cure Time18 hours
Shore A Hardness50
Specific Gravity1.24 g/cc
Specific Volume22.3 cu. in./lb.
Die B Tear Strength155 pli
Tensile Strength725 psi
Elongation @ Break320 %
100% Modulus272 psi
Shrinkage<.001 in. / in.
Useful Temperature (min)-65 °F
Useful Temperature (max)450 °F
Thermal Conductivity0.261 W/M*K

Product Description

Smooth-Sil™ 950

Smooth-On 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.

Smooth-Sil™ Platinum Silicones are used for rapid prototyping, wax casting (foundries and candle makers), architectural restoration and for casting concrete. Smooth-Sil™ 950 is suitable for food related applications. 

Read More

Select a Material from a Category Below

Silicone Rubber - Tin Cure ›

Silicone Rubber - Platinum Cure ›

Urethane Rubber ›

Polysulfide Rubber ›

Urethane Resins ›

Epoxy Casting and Laminating Resins ›

Epoxy Putties ›

Epoxy and Urethane Coatings ›

Mix and Pour Expanding Foams ›

Adhesives ›

Lifecasting Materials ›

Skin Safe FX Materials ›

Polymer Modifiers for Concrete and Gypsum ›