DURA-SYNC TORQUE synchronous belts feature an HTD tooth profile.
They are made with a high temperature chloroprene polymer throughout the belt, and are proven through thousands of hours of customer use to be durable and dependable. They are manufactured with a heavy duty, woven, nylon based fabric tooth covering. Timing Belt, 3M, 9 x 324mm PL, T108 D&D DURA-SYNC TORQUE belts meet or exceed USA RMA published ratings levels. Timing Belt, 3M, 9 x 324mm PL, T108 The helically wound tensile cords are engineered, twisted and chemically set stranded fiberglass material.