Jia County Yihong Abrasives Co., Ltd is specializing in developing and producing abrasives products: fiberglass backing pads, flap discs, flap wheels, abrasive belt, cutting and grinding wheels, and other related abrasive products. As early as in 2000, the company started the producing lap disc with name âJia County Shuguang Specific Grinding Wheel Factoryâ, in the aim of quality first, laid a solid foundation for the enterprise expanding. Materialï¼Brown Aluminium Oxide, Fiberglass backing Abrasive Grit No.: 40-320# Features: High-quality Aluminium Oxide cloth, good flexibility, high tensile and better bending strength, low noise and no-clogging Specification: Diam. 100-180mm (Type-27 flat & Type-29 angled) Suitable for: metal surface grinding and polishing, weld seams grinding, rust removing