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 ontinuous
molding between layers of film is used for continuous production of
sheets, both colored and translucent, in flat or profiled (such as
corrugated) configuration. The main applications are in building (cladding
and roofing), agriculture (greenhouses), and transportation (truck/trailers).
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The different steps are as follows:
Continuous impregnation of chopped rovings in situ, or of chopped
or continuous strand mats, by resin, on a carrier film.
Making a sandwich of this material with a second film deposited
on top, which then serves as the mold.
Shaping, normally in a progressive manner, as permitted within
the curing cycle to result in the finished product on exiting the
oven.
Lateral edge trimming and transverse
cutting the products to the desired length. The films having served
to transport the material are rewound at the exit of the oven prior
to trimming.
Typical machine speeds are 15 to 45 ft./min., depending on the sheet
width, which may be up to 10 ft.
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Click on picture to enlarge. |
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Asia
Pacific
