see also
Pultruded Profiles
Grating / Safety Foor
Coverings GRFP
Moulded Pieces
» Manual Moulding
» Infusion
Moulded Pieces
Manual Moulding
The manual moulding process is the most indicated for small series, usually under 50 units. The moulds, of an only face, made of GRP (glassfiber reinforced plastic), and are manufactured from a model, which may be of wood, polyurethane, aluminum, among others. These moulds are low cost.
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VARTM (vacuum assisted resin transfer moulding) process, is indicated for series over 50 units. The piece manufactory consists on putting dried glassfiber inside the mould which is closed against another mould, also made of glassfiber, where injected low pressure resin and is vacuum assisted.
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The infusion process allows obtaining pieces with high mechanical properties, fiber percentages of around 70% of the piece’s weight. This process, which was developed for the manufactory of aeronautical pieces of great dimensions, uses many disposable materials for the manufactory of each piece.
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