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Accessories | Mariflex PU-30

Mariflex PU-30

The MARIFLEX® PU 30 is a thixotropic, permanent elastic, cold applied and cold curing, one component, low modulus polyurethane elastomer (mastic) used for chalking and joint-sealing. Cures by reaction with ground and air moisture.


The MARIFLEX® PU 30 is used for

  • Caulk seals used in heavy and light prefabrication and traditional masonry
  • Joint sealing of movement joints.
  • Crack filling mastic.


  • Simple application.
  • UV and weathering resistant.
  • Resistant to constant movement.
  • Resistant to water, heat and frost.
  • Maintain its mechanical properties over a temperature span of - 30oC to +90oC
  • Provides excellent adhesion to most construction materials
  • Resistant to detergents, oils, fuels and seawater

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