Denso Profiling Mastic is a cold applied self-supporting molding mastic. It is a petrolatum compound containing beads of closed cell cellular polymer and flow control additives.

CSA Z245.30 component; Meets AWWA C217 Standard
Excellent molding and sealing properties
Will adhere to metal, PVC, polyethylene and concrete


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The mastic is used to provide a smooth profile on irregular shaped fittings such as flanged joints and valves
Easy application from arctic to tropical temperatures
Not effected by water, acids and salts
Non-hardening in cold weather
Minimal surface preparation (SSPC SP 2-3)
It is applied prior to the tape application and generally used in conjunction with primer, Denso Petrolatum Tapes or Denso Bituminous Tapes

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