The helically wound tensile cords are specially manufactured with, twisted, heat and chemically set, polyester material.5in OC D&D DURA-PRIME VS belts meet or exceed USA RMA published ratings levels.
The helically wound tensile cords are specially manufactured with, twisted, heat and chemically set, polyester material..5in OC All DURA-PRIME VS variable speed belts are manufactured using the latest in belt technology.812 x 78.