| abstract |
A polypropylene resin composition for interior materials of a vehicle comprising 30 to 70% by weight of an ethylene / propylene block copolymer, 10 to 30% by weight of an ethylene / α-olefin copolymer rubber, 1 to 10% by weight of a styrene-based polymer rubber, 2 to 8% by weight. % of a polypropylene-silicone rubber masterbatch, 1 to 7 wt% of a magnesium compound and 10 to 40 wt% of an inorganic filler, wherein the ethylene / propylene block copolymer has a melt index of 20 to 50 g / 10 minutes and an ethylene content of 3 to 20 wt .-% possesses. |