Ultra-fine grinding metallographic sandpaper back to film as the base, a unique weaving technology to produce sand out of the high-quality products, with the traditional paper-based and Burkina abrasive sandpaper compared to ultra-fine grinding metallographic sandpaper on the back base is more flat and smooth, higher strength , cut with good water resistance, oil resistance, while the ultra-fine grinding metallographic sandpaper can improve the surface finish quality. Mainly used for ultra-precision grinding and polishing. Ultra-fine grinding metallographic sandpaper can be used in metallurgical industry, paper machinery, printing industry, copper industry and other industrial sectors, titanium rollers, copper rollers, steel rollers, rubber rollers, nylon rollers, polyurethane rollers, chrome rollers, tungsten carbide rollers, ceramic roller, aluminum rollers, stainless steel shaft parts, tools and other products for steel roll grinding and polishing. Ultra-fine grinding metallographic sandpaper grain size: 0.05um, 1um, 1.5um, 2um, 3um, 5um, 6um, 9um, 12um, 15um, 30um.