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long fiber mixed molding products have higher homogeneity than those of short fiber blended moulding products. The mechanical properties of this composite material make it a lightweight metal substitute or an engineering substitute for other materials.
link:http://www.lfrt-plastic.com/long-glass-fiber-polyamide-6/structural-plastic-compounds-pa-6.html
Structural Reinforced Plastic Compounds PA 6 pellets