ENVIRONMENTAL-FRIENDLY TREAD RUBBER COMPOSITION FOR SNOW TIRE, COMPRISING AROMATIC OIL AND ZINC OXIDE

摘要

PURPOSE: A tread rubber composition for a snow tire is provided, to obtain an environmental-friendly rubber composition by reducing the amount of harmful materials without the deterioration of physical properties. CONSTITUTION: The tread rubber composition comprises an aromatic oil whose PCA (polycyclic aromatics) content is 3% or less and zinc oxide whose cadmium content is 0.006% or less and lead content is 0.1% or less. Preferably the amount of the oil is 10-40 phr and the amount of the zinc oxide is 3-10 phr.