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6.5.3 Hilti Firestop Systems

6.5.3.3 TECHNICAL DATA

FS 601 Elastomeric Firestop Sealant is virtually unaffected by temperature changes, air and dirt exposure, and movement. This long life is attributed to the inherent chemical stability of silicone elastomers. A seal made of FS 601 Elastomeric Firestop Sealant, if applied properly and subjected to normal, anticipated use, will not peel, crack or crumble with age.

Typical Properties of FS 601 Elastomeric Firestop Sealant

Consistency non-sag, gun grade
Skin Forming Time 10-25 min
Application Temp. Range min 40°F, max. 100°F
Curing Rate (73°F, 50%R.H.) 1/16" per day
As Cured (73°F, 50%R.H.)
Shore A Hardness approx. 30
Modulus of Elasticity in Tension 116 psi
Ultimate Tensile Strength 246 psi
Elongation at Break 300%
Max. Sustained Movement
Absorption ± 20%
Service Temperature Range -40°F to 250°F
Surface Burning Characteristics:
(ASTM E 84-91a)
Flame Spread Index = 5
Smoke Developed Index = 30
Fuel Contributed Value = 5

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