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  • Adhesives

Desmomelt® 540/3

Desmomelt 540/3 is a flexible polyurethane with a very high rate of crystallization and very low thermoplasticity. Extruded flat products made from this raw material (hot melt adhesive films and fleeces) are of high quality. Desmomelt 540/3 has outstanding adhesion on a large number of materials. It has high initial bond strength and thermal stability.

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About

Product Types

  • PU resin

Material

Adhesives
Solid, Solvent-free, Heat activated, Hot-melt

General Characterization

Desmomelt 540/3 is a flexible polyurethane with a very high rate of crystallization and very low thermoplasticity. Extruded flat products made from this raw material (hot melt adhesive films and fleeces) are of high quality. Desmomelt 540/3 has outstanding adhesion on a large number of materials. It has high initial bond strength and thermal stability.

Storage Conditions

Desmomelt 540/3 should be stored in tightly sealed original containers and protected from moisture, heat, and foreign materials. Recommended storage temperature is 10º-25ºC.

Sampling

No data available

Packaging Type

No data available

Technical Properties & Datasheets

Characteristics

Property Name Test Method Unit Value
Crystallization min. approx. 10
Hydroxyl content % < 0.1
Heat resistance °C approx. 80
Density g/cm^3 approx. 1.2
Adhesion on plasticized materials excellent
Minimum activation temperature °C approx. 60

Specifications

Property Name Test Method Unit Value
Viscosity 15% in butanone-2 (MEK)at 23^oC mPa∙s 1850 ± 350

Downloads

Technical Data Sheet
Safety Data Sheet
No direct download available, please visit www.productsafetyfirst.covestro.com

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