TREAD RUBBER COMPOSITION FOR EXCELLENT FRACTURE STRENGTH, CUT-CHIPPING RESISTANCE, ABRASION RESISTANCE, FATIGUE RESISTANCE, AND HEAT RESISTANCE AND A TIRE USING THE SAME

摘要

PURPOSE: A tread rubber composition is provided to have excellent abrasion resistance and inside cut-chipping property, thereby having excellent performance even on an unpaved road.;CONSTITUTION: A tread rubber composition comprises 100.0 parts by weight of raw materials and 48-55 parts by weight of colloid-shaped carbon black. The raw material rubber comprises 20-40 parts by weight of natural rubber and 60-80 parts by weight of styrene butadiene rubber. The carbon black has a nitrogen absorption specific surface area of 138-147 m^2/g, a dibutylphthalate oil absorption of 108-117cc/100g, and a tint value of 110-119. The tread rubber composition additionally comprises 10-20 parts by weight of process oil based on 100.0 parts by weight of the raw material.;COPYRIGHT KIPO 2013