DENSO®-Plast Mastic


Petrolatum-based fill mastic for filling cavities and smoothing uneven surfaces.

  • Ideal for filling cavities and smoothing surfaces.
  • Very good mouldability and modelling properties.
  • Easiest manual processing.
  • Durable corrosion prevention thanks to petrolatum.
  • Compatible with all DENSO® petrolatum tapes.

DENSO®-Plast Mastic is a petrolatum-based mastic filler for filling cavities and smoothing uneven surfaces on buried pipeline components (e.g. flanges and fittings). Thanks to its reinforcement with filler materials and fibres, DENSO®-Plast Mastic is highly mouldable and stable. DENSO®-Plast Mastic is compatible with all DENSO® petrolatum tapes. A DENSOLEN®-DRM PP rockshield can be used as additional mechanical protection.

DENSO®-Plast Mastic : Industries and solutions

DENSO-Plast Mastic on valves at a gas station

DENSO®-Plast Mastic is ideal for pipeline construction and in power station and pipeline station construction. Thanks to its reinforcement with filler materials and fibres, DENSO®-Plast Mastic is highly mouldable and stable and provides high-quality corrosion prevention in conjunction with any DENSO® petrolatum tape. The redeveloped and optimised DENSO®-Plast Mastic has been used with great success across the world for almost 100 years – and continues to fulfil all requirements.