AIR BAG COVER FOR FRONT PASSENGER'S SEAT

PROBLEM TO BE SOLVED: To provide an air bag cover for a front passenger's seat of an automobile with excellent safety in case of expansion which can be installed in a dash board of an automobile without causing swell or separation from the surrounding parts. SOLUTION: This air bag cover is a molded article of a thermoplastic composition comprising (A) and (B) below, the article having a coefficient of linear expansion, at 2 mm thickness and at a temperature of -40-120 deg.C, of 13.5×10 mm/mm deg.C or less, a weld elongation at break of 50% or more and an Izod impact strength, at the temperature of -50 deg.C or higher, of 35 kg.cm/cm or more or Non Break. (A): an olefin-based resin; (B): an ethylene-α-olefin-based copolymer rubber.