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Bayfit ® Automotive:
Silence is golden
If a driver is exposed over a long period to loud noise, it is not only bad for his or her health, it also constitutes
a significant safety risk. Bayfit ® Automotive systems absorb air-borne and structural noise to create
pleasant interior acoustics. The optimum solution here is to use Bayfit ® foams and Bayflex ® heavy-layer
cladding, either alone or in combination (the spring-mass principle). Ideally, the component will be made
entirely of polyurethane. These components are normally invisible, e.g. they form the sound insulation
on the bulkhead behind the dashboard, the foam backing on carpets and wheel arch linings, or modules
for engine compartment insulation. All products can be processed very economically, because no timeconsuming
trimming is needed. They can also be molded to the most complex geometries and are kind to
the ears – and nerves – of the driver and passengers.
With their optimized foam structure and perfect cavity filling, Bayfit ® Automotive foams offer excellent
absorption of air-borne noise. Viscoelastic Bayfit ® in combination with a heavy layer of Bayflex ® SA also
results in ideal structural sound and vibration damping. With the highly filled Bayflex ® SA and Bayflex ® SP
systems for heavy layers, manufacturers can choose between grades for the classic RIM process or the
more flexible spray processes. With both methods, the layer thickness can be varied at every single point
on the part.