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 xtrusion/compression
molding is used to produce reinforced polypropylene parts for automotive
applications such as front-ends, bumper beams, and under-body shields.
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Extrusion/compression molding uses an extruder
to convert glass strands and PP pellets into a hot bulk molding compound.
The molten charge is quickly transferred to the press where it is
molded while still hot. The part is removed after sufficient cooling.
This process is generally referred to as Long Fiber Thermoplastic
(LFT) processing. In direct LFT processing the glass strands are introduced
into the extruder in the form of a roving or chopped strands. It's
also possible to use long fiber reinforced pellets in combination
with PP pellets.
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Click on picture to enlarge. |
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Asia
Pacific
