Whetstone boron carbide: carbide for hard black shiny crystals. Lower hardness than the diamond industry, but higher than the silicon carbide. Whetstone grain size between 400 to 1000, the smaller the particle size of the coarser-sided Whetstone, the greater the amount of grinding, the tool for grinding semi-finished. Because of the hardness of their strong double-sided stone suppliers, particularly resistant and difficult to scratch out. Dongyang jade stone factory specializing in sales of honing oil stone, a variety of specifications to meet your choice, strict production process to ensure quality, honing oil stone to more precision, high efficiency new and old customers! Rubber bonded abrasives mainly roller machine mixing, and roll into thin slices, then use a knife punching punching molding; also some with loose material, into the inner mold press molding. After the vulcanization molding in the vulcanization tank, a temperature of 165 ~ 180 ℃. Metal bonded abrasives manufacturing process, there are two powder metallurgy method and plating method, mainly for superhard abrasive abrasive. Dongyang greenstone sided Whetstone Whetstone specialized factory sourcing, quality, manufacturing technology skills, you are welcome to inquire! Double-sided stone supplier, jade stone factory word class (certified), Shanghai sided Whetstone provided by Qianxiang Town, Dongyang City greenstone Whetstone plant. Qianxiang Town, Dongyang beryl stone factory (www.322124.com) Zhejiang Jinhua, Abrasives leaders, over the years, the company is implementing the scientific management, innovation and development, the principle of honesty and trustworthiness, and satisfy customer needs . In greenstone Whetstone plant leadership with the staff warmly welcome all inquiries negotiations to create jade stone factory a better future.