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6.5.3 Hilti Firestop Systems

6.5.3.2 TECHNICAL DATA

FIRE BLOCK is a ready to use firestopping material which expands when exposed to heat and protects large openings with multiple penetrating items. FIRE BLOCK is a soft pliable block shaped material that has been tested in numerous applications up to 4-hours.

Typical Properties of FS 657 FIRE BLOCK
   
Size 5" x 8" x 2"
Intumescent Activation Temp. 300° F - 500° F

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