3M 4 Hour Fire Barrier Sealant

A smoke and fire stopping sealant for wall and floor penetrations. Latex-based, easy-to-handle formulation bonds to concrete, metal, wood, and cable jacketing. Dries to a firm, rubber-like solid. During a fire, product expands to maintain a tight seal against smoke and flame for 4 hr. Typical applications: Metallic pipe, cable, nonmetallic pipe, insulated pipe, cable, cable tray, busway, and HVAC duct penetrations. Tested in accordance to: ASTM E814 (UL1479), ASTM E84 (UL723). Clean tools with soap and water. Red in color. 10.1 Fl. Oz cartridge. Continuous operating temperature not to exceed 120 deg. F (48 deg. C). No. CP-25WB+: Color: Red, Size: 10.1 Oz., Material: Latex, Coverage: 18.2 Cubic Inches, Cure Time: Typical dry rate is approx. 1/8" per day, Color Family: Reds / Pinks, Dries To Touch: 10 To 15 Mins., Indoor/Outdoor: Indoor, Longevity: N/A, Permanently Flexible: N/A, Heat Resistant: Yes, Moisture Resistant: N/A, Mold and Mildew Resistant: N/A, Paintable: Yes, Tintable: N/A, Stainable: N/A, Application Temperature: N/A, Service Temperature Range: -20 F To 180 F, Exposure Duration: Fire tested up to 4 hours, Gap Span: Dependant on application, Pkg Qty: 1, Package Type: Tube