Sikaflex Pro-3 Purform Sealant

A flexible Polyurethane Sealant

Sikaflex® PRO-3 Purform® is a 1-part, moisture curing, elastic polyurethane sealant. It seals many kinds of joint configurations in floors and civil engineering structures.

The elasticity is maintained over a wide temperature range and high mechanical and chemical resistance provides good durability.

  • High movement capability: +/-25 % (ISO11600) and ±50 % (ASTM C920)
  • Fast development of mechanical properties
  • High mechanical and chemical resistance
  • High resistance to weathering
  • Good durability
  • Non-staining to a wide range of substrates
  • Very low monomer content: no user safety training needed (REACH restriction 2023, Annex 17 entry 74)
  • Bubble-free curing
  • Good adhesion to most construction materials
  • Available in Black, Grey & White in 600cc Sausages (20 / Box)


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