Smooth-Sil 933 Flame Out

1A:1B Mix, Flame Rated, Encapsulation Silicone Rubber

Smooth-Sil™ 933 flame rated silicone rubber has been tested by an independent lab and certifies to the UL 94 V-0 flame standard.

Applications include electrical potting for flame resistant enclosures, creating gaskets for medical devices and electrical appliances and other applications where a flame resistant, flexible silicone seal is required. 

Smooth-Sil™ 933 was developed specifically as an encapsulation silicone, it is not recommended for making molds. 

Price and Purchasing

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ProductSizeNet WeightPrice

Smooth-Sil 933 Flame Out

Shore A 33 platinum silicone rubber. 1A:1B Mix Ratio by Volume - No Scale Required.
Trial Unit 2.5 lbs. 33264976
Gallon Unit 20 lbs. 2281934137
5 Gallon Unit 90 lbs. 810131,21195

Document Downloads

Technical Bulletin

Safety Data Sheet

Frequently Asked Questions