RUBBER COMPOSITION FOR CONVEYOR BELT, AND CONVEYOR BELT

摘要

The purpose of the invention is to provide a rubber composition for a conveyor belt, the rubber composition allowing significant reductions in power consumption at low temperatures when the conveyor belt has been formed. The purpose of the invention is also to provide a conveyor belt. This rubber composition for a conveyor belt comprises: a rubber component containing butadiene rubber and/or styrene-butadiene rubber; carbon black; sulfur; and a vulcanization accelerator, the glass transition temperature of the butadiene rubber and the styrene-butadiene rubber being -65°C or lower, the nitrogen adsorption specific surface area of the carbon black being 90 m2/g or lower, the total content of the butadiene rubber and the styrene-butadiene rubber being 50 mass% or higher relative to the rubber component, the content of the carbon black being 30-50 parts by mass per 100 parts by mass of the rubber component, and the mass ratio (sulfur/vulcanization accelerator) of the content of the sulfur and the content of the vulcanization accelerator being 1.5 or lower.