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Non-reactive Hot Melts

Strong bonds

Polyurethane for non-reactive hot melt adhesive systems

Thermoplastic hot melt adhesives liquefy when heated. They crystallize and produce an adhesive bond during the subsequent cooling process and rapidly develop bond strength. Desmomelt® from Covestro provides good processing behavior and high performance in the finished product.

Our Desmomelt® product is a linear, thermoactivatable polyurethane powder based on a polyester polyol and an aromatic diisocyanate.

The material is an ideal choice for formulators seeking a formulation that doesn’t use solvents and offers 100 percent solids. Other benefits include:

  • Fast initial bond strength
  • High chemical resistance
  • Excellent adhesion on many substrates
  • Extreme high resistance against heat and cold
  • Low thermoactivation temperature for heat sensitive substrates
     
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