STI® SIL320SL Firestop Sealant, Sausage Container, Silicone, Off White, <47 g/L VOC

STI® SpecSeal® Silicone Firestop Sealant, Series: SIL, Sausage Pack Container, 20 oz Container, Composition: Calcium Carbonate, Natural, Polydimethyl Siloxane Diol, Octamethylcyclotetra Siloxane, Polydimethylsiloxane, Aluminum Trihydrate, Solvent Naphtha (Petroleum) Heavy Alkylate,, Concrete Limestone, Mild Odor/Scent, -35 to 140°F, 9 lb/g Specific Gravity, >199°F Flash Point, <47 g/L VOC. SpecSeal® SIL300 silicone sealant is a high performance silicone firestop sealant tested to resist the passage of smoke, flame and water through construction joints and through-penetrations. SIL300 sealant cures to form a flexible seal and carries a class 1 W rating for water resistance (Per ANSI/UL1479).

Features

• Ozone and UV-resistant for excellent weathering ability and long service life
• Excellent recovery from joint extension and compression
• Listed in over 175 UL tested systems
• Low modulus allows dynamic movement in joints
• Nonhalogenated
• Auto bonding allows fresh sealant to adhere to cured sealant
• Excellent water resistance for water-tight sealing
• including class 1 W ratings (UL 1479)
• Excellent chemical resistance protects in polluted or corrosive atmospheres
• Excellent adhesion to most building substrates
• Excellent smoke seal
• Neutral cure
• Safe, no asbestos, no PCB's, no inorganic fibers