AORR (R145 or 1AX) - Grain: Aluminum Oxide, Coat: Closed, Weight: X, Backing: Poly/Cotton, Applications: Grinding and finishing ferrous and non-ferrous metals as well as sanding hardwoods. Base adhesion and grain retention engineered for improved edge wear in effected sizes, products and applications.
23MX - Grain: A/O & Ceramic, Coat: Closed, Weight: X, Backing: Poly/Cotton, Applications: Amended combination of grains cuts better, stays sharp, and lasts longer; grinding and cleaning welds; cleaning, smoothing and polishing ferrous and non-ferrous metals including stainless steel.
SCRR (R544) - Grain: Silocon Carbide, Coat: Closed, Weight: X, Backing: Poly/Cotton, Applications: Dry grinding glass, ceramics, plastics, fiberglass, rubber, leather and non-ferrous metals; finishing iron, bronze, brass and aluminum castings; satin finishing sheet metals.
ZA (R205) - Grain: Zirconia & A/O, Coat: Closed, Weight: Y, Backing: Polyester, Applications: Deburring and grinding hard ferrous and non-ferrous metals, alloys and stainless steel requiring sharp cutting without heat build-up.
SH - Grain: Ceramic, Coat: Closed, Weight: Y, Backing: Polyester, Applications: Deburring and grinding iron, steel and aluminum castings; heavy structural work; weld grinding on steels including stainless.
Other specifications are availabe as well. For information on other material specifications click HERE and review list of materials used for grinding belts.