Smooth-Sil 945

Unit Size	Net Weight
Pint Kit	2 lb
Gallon Kit	18 lb
Five Gallon Kit	90 lb

Smooth-On Smooth-Sil¨ 945 Platinum Silicone cures at room temperature with negligible shrinkage. Smooth-Sil 945 exhibits good chemical, abrasion and heat resistance. Materials such as plasters, concrete, wax, low-meltmetal alloys or resins (urethane, epoxy or polyester) can then be cast into Smooth-Sil 945 without a release agent. Smooth-Sil¨ 945 offers the convenience of a 1A:1B by volume mix ratio, 25 minute pot life, and a fast 6 hour cure time. Applications include rapid prototyping, wax casting (foundries and candle makers), architectural restoration and concrete casting. PropertiesTechnical Properties

Mix Ratio by Weight	1A:1B
Mix Ratio by Volume	1A:1B
Pot Life	25 minutes
Cure Time	6 hours
Color	Purple
Shore Hardness	45A
Mixed Viscosity	30.000 cps
Shrinkage	< .001 in./in.
Specific Volume	22.3 cu.in./lb.
Specific Gravity	1.24g/cc
Useful Temperature (max)<	450¼F
Useful Temperature (min)<	-65¼F
Tensile Strength	700 psi
100% Modulus	260 psi
Elongation @ Break	320%
Die B Tear Strength	120 pli

Media

• Technical Bulletin

Special Order Items PRODUCT ADVISORY:
The products listed below are currently SPECIAL ORDER items and require pre order.
Lead times may vary - For more information please contact our staff.

799843 - Smooth-Sil 945 - Five Gallon Kit
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