SYNTHETIC RESIN PART FOR AIR INTAKE SYSTEM OF INTERNAL OF COMBUSTION ENGINE

摘要

PURPOSE:To provide the title part which is excellent in vibration-damping properties over a wide temp. range from low to high temps. as well as in mechanical strengths and heat resistance. CONSTITUTION:The title parts such as an air hose 1, a resonator 2, an air cleaner 3, and an air duct 4 are made from a polypropylene resin compsn. obtd. by compounding 100 pts.wt. resin mixture consisting of 50-95wt.% polypropylene resin and 5-50wt.% thermoplastic elastomer mainly comprising a styreneisoprene-styrene block copolymer having a polyisoprene block of a vinyl structure with 10-150 pts.wt. inorg. filler.