Sanding Paper ， AP57 AP57 is adopted specially treated coat can prevent the static efficiently. AP57 has a high anti-clogging property and is widely used in board material, furniture, wood floor, leather, textile, and metal. High-quality EWT backing paper, high tough and flexible, can be converted to different size rolls, different size belt, Velcro disc and so on. Special treated FEPA standard Aluminum Oxide abrasive grain, with higher performance, long grinding life, and excellent polishing surface. Riken RMC AP57 with there excellent cutting action of the Aluminum Oxide grain enables an efficient sanding operation. The antistatic paper backing reduces clogging problems and improves the lifetime of the product.