Penelitian pengaruh naphthenic oil dan carbon black terhadap sifat kekerasan lis kaca mobil

This research have a purpose to know influence naphthenic oil and car bon black about properties hardness weather st rip for auto mobile. Compound wea ther strip for auto mobile make for Natural Rubber (RSS) and sintetic rubber (SBR 1502) with in creasing ingrediens such plasticizer, activator, filler, anti oxidant, accelerator and vulkanizing agent. Compount formula making variation naphthenic oil 3,5 and 7 part along with carbon black 45,50 and 55 part result hardness test with value 67 shore A for compount with naphthenic oil 7 part and carbon black 50 part and after perform make in to fill requrements SNI 1490 ? 89 A weather strip auto mobile.