Sonit® Alu/Butyl 1.6

Sonit® Alu/Butyl 1.6 is a lightweight, flexible soft material from a self-adhesive damping mass based on butyl rubber without reinforcement, laminated with an aluminium foil (thickness 150 µm). The butyl mass is filled with minerals and set high thixotropic.

Main function

Airborne sound insulation and sound deadening sheets,
especially of moulded parts


Car body and vehicle construction, household equipment, ship building, mechanical engineering, air ducts etc.
The material can be applied to oiled (white corrosion protection oil) surfaces without prior cleaning and withstands standard degreasing and painting processes.


The surface must be carefully cleaned from dust, grease 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.
Cold bonding should not take place under 20 °C material temperature.

Storage conditions

Dry at temperatures between 18 - 35 °C and humidity max. 50%
Stackability: max. 100 parts

Shelf life

3 months (body or paint shop application)
6 months (final assembly application)
When installed, the product can withstand a humidity of
max. 95%.

Delivery forms

Standard boards approx. 1,000 x 1,030 mm, tolerance ± 1% conditionally.
Other sizes and cut-to-size pieces upon request.


The product is not subject to labeling by EC directives /
Ordinance on Hazardous Substances

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.