Penelitian pengaruh campuran karet alam dan karet nitril kompon sol sepatu terhadap sifat swelling

The objective of this research is to find the quality of oil resistant soles indicated by swelling test in Benzol. The compound is made of natural rubber (RSS) and synthetic rubber (NBR) the part of which vary from 45/55; 50/50; 55/45. The result of the test indicates that the sole compound of RSS 45 part and NBR 55 part gives the best oil resistant.