An internationally recognized leader in corrosion prevention and sealing systems for new and rehabilitation applications. DENSO developed the original Petrolatum Wax Tape and they have completed successful applications for over 75 years.  DENSO’s suite of corrosion products include: Petrolatum Wax Tapes for above/below grade applications, fast curing Protal Liquid Epoxies for standard and LOW TEMP applications, Bitumen and Butyl Tape systems, and Sealing/Molding products including their Profiling Mastic for irregular shaped valves and flanged connections.

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