In China, Ultrafine Copper Powder has been widely used, accompanied by the development of copper powder market. From the perspective of the development of the domestic market, copper powder is widely used in iron base copper based powder metallurgy parts in China, among which copper based powder metallurgy parts have the largest amount. In the powder metallurgy parts, the average copper content is calculated by 5%, and the amount of copper powder will reach 5000 tons / year by 2005. In the diamond tool industry, in recent years, due to the increased competition for diamond tools, matrix materials have been tilted towards inexpensive ferrous, copper based and bronze based alloys, especially export tools and home interior decoration tools.
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