Denso WB Tape

Hi-tack petrolatum tape with polymer backing


Denso WB Tape is composed of a non-woven synthetic fabric carrier, fully impregnated with a petrolatum compound containing synthetic rubber polymers and inert mineral fillers. To provide additional protection, the tape has a high-density polyethylene backing- specifically developed non-leaching tape for buried pipes, rods, cables, etc. that are exposed to dry soils for long periods.

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•Highly resistant to dry soils
•Applied to marginally prepared surfaces (SSPC SP 2-3)
•UV resistant
•Conforms to irregular shapes and profiles
•Can be applied to cold and wet surfaces
•Ready for immediate service after application
•Encapsulation of lead paint
•Contains no solvents
•Easy application from arctic to tropical temperatures
•Resistant to acids, water, salts & alkalis

Prepare surfaces by removing all loose scale, rust or other foreign matter in accordance to SSPC SP2 “Hand Tool Cleaning” or SP3 “Power Tool Cleaning”. High pressure water wash of 3,000 – 7,000 psi is also suitable. Apply a thin film of Denso Paste which serves as a primer. Spirally wrap the tape with a minimum 1″ overlap. For severely corrosive environments, a 55% overlap is recommended. While wrapping, press air pockets out and smooth all lap seams. For additional mechanical protection, an overwrap may be used to increase impact strength and electrical resistance.

Irregular surfaces such as valves, flanges, etc. may require the use of Densyl Mastic or Denso Profiling Mastic. Refer to the product sheets for these specific products for information on application and selection.


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