Butyl Rubber Tape,Butyl Tape,Rubber Tape for Underground Steel Pipe Seal / Steel Pipe Sealing / Steel Pipe Sealant ... Description:The T-300 series is cold applied Butyl Rubber Tape coating systems for anti corrosion of field joints, fittings, and specifically ... Tape by Polyethylene sheet,and then loaded to carton. Butyl Rubber Tape,Butyl Tape,Rubber Tape for Underground Steel Pipe Sealant