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Kleiberit Adhesives USA 642.0 & Hardener 643.0

Kleiberit Adhesives USA 642.0 & Hardener 643.0 is a two component, solvent-free polyurethane adhesive for foil lamination - quickly PAA free.

Brand: KLEIBERIT (22 products)

Product Type: 2K (2 component) Adhesive, Solvent free (100% Solids) Adhesive

Chemical Family: Polyurethanes (PU)

Technical Data Sheet

Enhanced TDS

Knowde-enriched technical product data sheet

Identification & Functionality

Features & Benefits

Ready-to-Use Product Features
Features
  • Suitable for lamination at high line speeds up to 450 m/min
  • Sealable after 48 hours
  • High transparency

Applications & Uses

Markets
Applications
Process

KLEIBERIT 642.0 with Hardener 643.0 is excellent for foil lamination for the production of flexible packaging and is free from PAA after 3-5 days (depending on film, coat weight, processing parameters). The ideally adjusted system allows for low processing temperatures between 30 - 50°C as well as long machine standstills. It features excellent wetting properties, even at high line speeds.

Applications
  • Film/Film
  • Film/met.Film
  • Film/Foil

Properties

Typical Properties
ValueUnitsTest Method / Conditions
Mixing Ratio100 : 40--
Viscosity (45°C)1800.0mPas-
Processing Temperature30 - 50°C-
Coat Weight1.1 - 2.5g/m2-
Properties

PAA-free after 3-5 days (depending on, among other things: film, coat weight and processing properties)

Regulatory & Compliance

Certifications & Compliance
Regulatory

The combination of our KLEIBERIT lamination adhesives (641.0/642.0/642.1) as well as hardener (643.0/643.1) complies with the following recognized rules and regulations:

  • FDA 21 CFR § 175.105
  • EU-Regulation Nr. 10/2011
  • BfR recommendation Chapter XXVIII

Technical Details & Test Data

Viscosity Curve at 45°C (Brookfield HB-DV III(Sp. 27; 10 rpm)

Kleiberit Adhesives USA 642.0 & Hardener 643.0 - Viscosity Curve At 45°C (Brookfield Hb-Dv Iii(Sp. 27; 10 Rpm)