The climate in several countries is very hot especially in summer season wherein the temperatures reach more than 60Co on the road and more than 100Co in the tire tread rubber. Thus, high temperature would lead to deterioration of the tire and the recommended physical and mechanical properties specified by companies may not fulfill the requirements of passenger tire tread through this hot environment.This book focus in improving recipe properties of tire tread by adding the reinforcing filler (carbon black) and natural rubber at different loading levels to styrene butadiene rubber. This book also optimize the effect of the blending and loading in pphr of NR with SBR and the effect of loading level of carbon black.