Basic magnesium sulfate fiber-reinforced polypropylene resin composition and injection molded article using the resin composition

摘要

Disclosed is a polypropylene resin composition comprising (A) from 40 to 98% by weight of polypropylene resin, (B) from 1 to 30% by weight of basic magnesium sulfate fiber having a surface treated with montan wax wherein fibers contained in primary fibers have an average fiber length of from 7 to 10 mum and the percentage of primary fibers containing fibers having a fiber length of 20 mum or more is 10% by weight or less and (C) from 1 to 30% by weight of talc, provided that the total weight of the components (A), (B) and (C) is adjusted to 100% by weight.