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Therefore, 10~25mm long glass fiber reinforced plastics (LGFPP) compared with ordinary 4~7mm short glass fiber reinforced plastics (GFPP) has higher strength, stiffness, toughness, as well as dimensional stability, low warpage advantages.In addition, long glass fiber reinforced polypropylene material does not produce obvious creep even at 100℃, and has better creep resistance than short glass fiber reinforced polypropylene.
Compared with metal materials and thermosetting composite materials, LFRP has a low density, and the weight of the same component can be reduced by 20~50%.Long glass fiber plastics can provide designers with greater design flexibility, such as molding parts with complex shapes, integrating the number of parts used, saving mold costs (generally, the cost of long glass fiber plastic injection mold is about 20% of the cost of metal stamping mold).Reduce energy consumption (the energy consumption of long glass fiber plastic production is only 60~80% of steel products, 35~50% of aluminum products), simplify the assembly process.
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