3600EX Intumescent Fire & Smoke Stop Sealant for Plastic Pipe 
10.1 oz. (19 cu in.) tube 
One component smoke and fire stop sealant for metallic or non-metallic pipe. 
Forms a tight bond to most common construction materials, including concrete, gypsum wallboard, steel, copper, cast iron, all plastics, electric cable, wires, and metallic ducts. 
Flexible and water resistant 
UL Classified 
12 per case