选用地质储量大、价格便宜的非金属矿物为原料 ,通过精选、除杂质、控制粒度、改性等理化方法处理 ,成功地研制出金属洗涤、电脑显示屏打磨两种不同类型磨料产品 ,在实践中获得了较好的应用结果 ,成功地代替了进口原料 By selecting non-metallic minerals with large geological reserves and cheap prices as raw materials, we successfully developed two different types of abrasive products, such as metal washes and computer screen sanding, by physical and chemical methods such as selection, impurity removal, particle size control and modification. In practice, it has obtained good application results and successfully replaced imported raw materials