Pemanfaatan Arang Cangkang Sawit dengan Proses Sol Gel untuk Pembuatan Kompon Karet

Abstract

This research has an objective to determine the effect of natural rubber (NR) and styrene butadiene rubber (SBR) utilization on physical properties of rubber compound in radiator packing cap as well as to produce rubber compound formula that fulfill the stated standard requirement. Rubber compound in radiator packing cap is made from a mixture of styrene butadiene rubber (SBR) and natural rubber (NR) with SBR and NR ratios of 90:10, 80:20, 70:30, 60:40 and 50:50 phr, respectively. The results showed that combination of SBR and NR additions had significant effect on hardness, tensile strength, and elongation at break. The best treatment was found in the 3rd compound formula (addition of SBR:NR = 70:30 phr) with compound characteristics covering 58 shore A of hardness, 208 kg/cm2 of tensile strength and 610% of elongation at break