SEALING AGENT AND LOWER ARM COATED WITH THE SAME

摘要

PURPOSE:A sealing agent that is made by adding n-butene to a mixture containing asphalten, atactic polypropylene and C-9 fraction tackifier at a specific ratio, thus showing high adhesion, thermal stability and weather resistance. CONSTITUTION:The objective sealing agent is prepared by adding at least one selected from (A) n-butene, crosslinked polypropylene and antioxidants to a mixture of (B) 30-50wt% of asphalten, (B) 20-30wt% of atactic polypropylene and (D) 15-40wt% of C-9 fraction tackifier. USE:The agent is applied to the welding parts between the lower arm 6 and the ball housing 8 or the bush 6a in the wheel system of a car.