铸造件金属喷砂白刚玉46#

铸造件金属喷砂白刚玉46#出口专用

White corundum 46 mesh for polishing auto spare parts

White Corundum White fused alumina White aluminum oxide Abrasive White polish powder

Sandblasting Cleaning Surface treatment Deburring Grinding Polishing

白刚玉是以优质铝氧化粉为原料，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精密铸造和高级耐火材料。

Al2O3

≥99.5%

Fe2O3

≤0.04%

SiO2

≤0.02%

Cao

≤0.02%

MgO

≤0.01%

K2O

≤0.01%

Na2O

≤0.26%