Abrasive belts from PFERD are designated as 'abrasive belts' in ISO 2976.Coated Belt,Co-Cool,1/4"x18",40 Grit, Coated, 1/4" W, 18" L, 40 Grit, Ceramic Oxide Active grinding additives in the coating substantially improve the stock removal rate, prevent clogging and result in cooler grinding. For coarse grinding work with a high stock removal rate and cool grinding..