TREAD RUBBER COMPOSITION FOR HEAVY LOADING VEHICLE AND TIRE FOR HEAVY LOADING VEHICLE

摘要

PROBLEM TO BE SOLVED: To provide a tread rubber composition for a heavy loading vehicle that simultaneously achieving abrasion resistance and chipping-resistant performance while also improving low heat generation and processability, and a tire for a heavy loading vehicle.;SOLUTION: The tread rubber composition for a heavy loading vehicle includes modified natural rubber having a phosphorus content of 200 ppm or less. Preferably, the content of the modified natural rubber in 100 mass% of the rubber component is 10 mass% or more. Preferably, the content of the modified natural rubber in 100 mass% of the rubber component is 50 mass% or more.;COPYRIGHT: (C)2012,JPO&INPIT