Henkel Technomelt PUR 508 Hot Melt


Manufacturer Part #: 840433

Product Highlights

Henkel Technomelt PUR 508 Hot Melt Overview

Technomelt PUR 508 is a polyurethane reactive hot melt adhesive that cures with moisture to form a tough, strong, and nearly thermoset polymer. It features aggressive tack, a short to medium open time, and high green strength. This adhesive is ideal for laminating and assembling sandwich panel elements made of wood, lauan, fiberboard, particleboard, plywood, FRP, EPS foam, PU foam, surface-treated metals, and soft plastics.

Features and Benefits

  • Forms a tough, strong and virtually thermoset polymer
  • Has short to medium open time and high green strength
  • Aggressive tack
  • Suitable for porous substrates


  • Series: Technomelt PUR 508
  • Type: Polyurethane Hot Melt (PUR)
  • Application: Structural Bonding
  • Application Method: Extrusion, Hot Applied, Roll-Coat, Spray
  • Recommended For Use With: Fiberboard, Fiberglass Reinforced Plastic (FRP), Foam, Lauan, Particle Board, Plastic, Plywood, Polyurethane Foam, Wood
  • Chemistry: Polyurethane
  • Components: One-Component
  • Cure Type: Moisture Curing
  • Appearance: Off White
  • Viscosity: Approx. 12,000 cps @ 250°F (121°C)
  • Open Time: Approx. 40 Seconds
  • Package: 5 Gallon Pail or 55 Gallon Barrel

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