M 1421 (see alternative PU-foam classic)

Material availability expires!

If you have any questions about alternatives or questions about inventory, please contact our sales department!

M 1421 is a polyurethane-foam (polyether), surface skin developing with a grey polyurethane-foil. Self-adhesive equipment with a high-quality adhesive system based on acrylate.

Main function

Airborne sound absorption (absorption)


Sound insulating cabins, vehicle cabs, mechanical engineering etc.


The surface must be carefully cleaned from dust, grease, oil and water.
Full area adhesion has to be insured. The adhesion strength is directly dependent from the processing pressure. The material has to be pressed in firmly, e.g. using a feed roll.

The protection foil must be removed after the assembly!

Processing temperature: 18 - 25 °C


The surface is resistant against penetration and quelling by oil, gasoline, gasoil, water

Storage conditions

Dry at temperatures between 18 - 25 °C
Max storage time: 6 months

Delivery forms

Rolls, available 1,000 mm wide, 
other sizes, rolls and cut-to-size pieces upon request.

[Translate to English:]
Any queries regarding this product?Then contact us using this form or call:Thermische und akustische Isolierungen+49 5231 9607-36We will be happy to advise.