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TECHNOMELT® PUR 6221 UV – Polyurethane hot melt adhesive – Bonding and lamination of automotive interior components, wood, and textiles

  • Item Name: TECHNOMELT PUR 6221 UV
  • Manufacturer: Henkel Corporation
  • Product category: Reactive Polyurethane Hot Melt Adhesive
  • Technologies: Polyurethane Hot Melt Technology with moisture curing
  • Applications: Bonding and lamination of interior parts (e.g., automotive interior components, wood/furniture laminates, textile and foil laminates)
  • Color: Light ivory, fluorescent
  • Cure type: Moisture cure (chemical cure following initial physical set)
  • Package size: Contact to Techniq VN for details.
  • Shelf life: 12 months (in unopened original packaging)

1. Product Overview

TECHNOMELT PUR 6221 UV is a moisture-curing polyurethane hotmelt adhesive designed for bonding and laminating interior parts. It provides:

  • Fast setting with high initial strength
  • Fluorescent under UV light for easy inspection
  • Excellent chemical resistance (fuel-oil mixtures, plasticizers, solvents, surfactants, salt spray)
  • Good adhesion to fiber materials, wood, foils (PVC, TPO), textiles, and thermoplastics (ABS, ABS/PC, PA, etc.)

2. Applications

  • Automotive Industry: Interior parts such as door mirrors, retainers, door linings, pillar linings, instrument panels
  • Wood & Furniture Industry: Profile wrapping
  • Textile & Foil Industry: Laminates

3. Typical Properties

Before Curing (Uncured State)
Property Value
Softening Point (DSC) ~65°C
Color Light ivory, fluorescent
Odor Weak
Solid Content 100%
Viscosity (130°C) 25 – 45 Pa.s
Application Temperature 110 – 150°C
After Curing
Property Value
Shear Strength (DIN EN 1465) ~9 MPa (substrate failure)
Substrates Tested Beech wood
Layer Thickness 0.2 mm
Bonded Area 25 mm x 10 mm
Crosshead Speed 100 mm/min
In-Service Temperature Range -40°C to 120°C
Short Exposure (1 hour) 130°C

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