A rePort: How is a head- liner actually produced? friedrich ... - polytec
A rePort: How is a head- liner actually produced? friedrich ... - polytec
A rePort: How is a head- liner actually produced? friedrich ... - polytec
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24<br />
POLYTEC<br />
ANNUAL REPORT 2006<br />
REPORT<br />
1 3<br />
2<br />
1.<br />
WHAT WILL EVENTUALLY BECOME a robust,<br />
hard-wearing and attractive <strong>head</strong><strong>liner</strong> for the Opel Zafi ra starts<br />
its life as a sandwich of diverse materials. In the fi rst stage,<br />
foam, adhesive fi lm, reinforced fl eece and foil are fed from<br />
long rolls. To these are added short glass fi bres, chopped<br />
from a continuous fi lament – a process developed by POLY-<br />
TEC GROUP’s innovative engineers. It <strong>is</strong> in th<strong>is</strong> crucial area<br />
that POLYTEC differs from its competitors. With the computer<br />
controlled POLYTEC process, it <strong>is</strong> easy to place these fi bres,<br />
which add strength and integrity to the component, in exactly<br />
the right places, avoiding unnecessary weight or cost. The individual<br />
elements of the sandwich are bonded together with a<br />
resin. Very tight control of the resin temperature and v<strong>is</strong>cosity<br />
are required here in order that the resin can be d<strong>is</strong>tributed<br />
evenly throughout the sandwich.
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