The 3M™ Cloth Belt 302D is an aluminum oxide cloth belt constructed on a flexible J-weight, cotton cloth backing. 3M™ Cloth Belts 302D are resin bonded for heat resistance and perform well on a variety of metal. This belt is designed to be run dry only. 3M™ Cloth Belts 302D are made of a tough aluminum oxide abrasive mineral that cut fast and perform well on most metals. The 3M™ Belt 302D features a flexible, cloth backing that provides ideal conformability for blending and finishing contours and complex parts. It’s open coat construction helps evacuate sanding dust from the belt for a more aggressive cut and longer abrasive life, leading to greater overall productivity with your metalworking. This product is suitable for dry metalworking applications. The resin bonding withstands high heat and pressure for a longer service life. 3M™ Coated Belts are available in a variety of sizes and performance levels for all of your coated abrasive belt needs.