Soundproofing
Noise prevention makes an active contribution towards protecting the environment. This applies in particular to products for the automotive and construction industries. Composite sheeting often forms an economical constructive measure for considerably reducing noise emissions. This type of sheeting is normally made of two cover plates that are bonded together using viscoelastic adhesives from the Köratac product range.
Structure-borne noise is produced by bending vibrations. If a composite sheet experiences vibrations, the two plates slip back and forth, meaning that the core plastic layer is subject to shear strain.
Due to the internal friction of the adhesive, mechanical vibration energy is converted into heat, and is thus dispersed. Through this effect, sound projection is notably reduced.
The products in the Köratac range are used, for instance, in manufacturing doors, garage doors, sound enclosures, recycling banks, oil sumps, gearbox covers and partition walls.
KÖMMERLING offers a wide range of adhesives for these purposes, for which the damping behaviour is matched to the relevant temperature in the areas of usage.