郑州市海旭磨料有限公司

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白刚玉厂家直销白刚玉F砂涂附磨具砂纸砂带纱布用白刚玉P砂

P砂主要用于涂覆磨具，其砂粒形状多锐角针状，堆积密度相对较低，其粒度分布较为集中

F砂用于固结磨具，砂粒形状为颗粒状或所谓宝石状，堆积密度高

白刚玉是以铝氧化粉为原料，经电熔提炼结晶而成， 纯度高、自锐性好、耐酸碱腐蚀、耐高温、热态性能稳定它硬度略高于棕刚玉，韧性稍低，纯度高、自锐性好、磨削能力强、发热量小、效率高、耐酸碱腐蚀、耐高温热稳定性好。用其制成磨具，适用于磨削高碳钢、高速钢及不锈钢等细粒度磨料还可以用于铸造和耐火材料。

White fused alumina was made from the high quality alumina by melting above 2000 in the electric arc furnace and cooling. It is white with the main crystal phase alpha-Al2O3.The white alumina produced in titling electric arc furnace has the advantage of high bulk density and low porosity and the volume stability and thermal shock resistance can be improved.