Henkel Technomelt PUR 834A Polyurethane Hot Melt Adhesive

Also known as Purmelt QR 834A

SKU: HENKEL 1621666

Manufacturer Part #: 1621666

Product Highlights

  • Type: PUR Hot Melt
  • Brand: Henkel Technomelt
  • Cartridge Size: Bulk
  • Set Speed: Long
  • Bonds: Fabric, Foam, General, Metal, Plastic, Wood, Glass
  • Application: General Purpose, Product Assembly, Sprayable

Henkel Technomelt PUR 834A Hot Melt Overview

Henkel Technomelt 834A PUR hot melt is a moisture-curing adhesive designed for structural bonding applications. Widely used in RV door and panel assembly, as well as various other manufacturing applications, Technomelt 834A ensures strong and reliable bonds.

Formerly known as PURMELT QR 834A, this adhesive features 100% solids and a distinctive purple/blue color for increased visibility during application. It offers aggressive tack and fast handling strength, allowing parts to be moved, trimmed, and routed within minutes, significantly enhancing manufacturing efficiency. The quick tack and high visibility make Technomelt 834A an optimal choice for improving process efficiencies in demanding environments.

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Features and Benefits

  • Highly aggressive tack
  • Designed for fast-curing
  • Good working assembly time and high green strength
  • Formulated with purple/blue color for improved visibility


  • Series: Technomelt PUR 834A
  • Type: Polyurethane Hot Melt (PUR)
  • Application: Bonding Fabric, Bonding Foam, Bonding Plastic, Structural Bonding
  • Application Method: Hot Applied, Roll-Coat, Spray
  • Chemistry: Polyurethane
  • Cure Type: Moisture Cure
  • Appearance: Dark Lavender/Purplish Blue Solid
  • Solids: 100%
  • Recommended Application Temperature: 250°F to 275°F (121°C to 135°C)
  • Viscosity, Thermosel: Approx. 11,000 cps @ 275°F (135°C)
  • Open Time:  Varies Depending on the Substrate; Wood, Polystyrene, and High-Pressure Laminate May Be As Long as 6 Minutes - Metals May Be as Short As 2 Minutes
  • Shelf Life: 6 Months @ 77°F (25°C) - In an Unopened Container
  • Weight: Approx. 8.8 lb./gal.
  • Package: 5 Gallon Pail or 55 Gallon Drum

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Hotmelt.com is an authorized distributor of Technomelt products from Henkel Adhesives.

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