POLYPROPYLENE RESIN COMPOSITION

摘要

A polypropylene resin composition is composed of a) a specified amount of a particular crystalline ethylene-propylene block copolymer, b) a specified amount of a particular ethylene-propylene copolymer rubber and/or ethylene-propylene-diene terpolymer rubber, c) a specified amount of talc which has been surface-treated with a surface treatment agent in a particular manner, d) a specified amount of particular barium sulfate having a specified average particle size, e) a specified amount of prismatic or acicular calcium carbonate having a particular particle size and a specified aspect ratio, and f) a specified amount of a nucleating agent. The total amount of the components c), d) and e) falls within a specified range.