棕刚玉P砂是在棕刚玉F砂标准的基础上，通过进一步分筛和水洗工艺处理后加工而成。 这种棕刚玉P砂在1000'C-1300℃高温锻烧，形状是尖形，磨削力高，自锐性好，经过高温处理后韧性极好，适用于做各种各种高档次的涂附磨具产品，比如砂纸，砂布，砂带等 Brown Fused Alumina for coated abrasives is produced under well water-washing and carefully sieving again on the basis of FEPA Standard. This is the kind of Brown Fused Aluminium Oxide grain for coated abrasives application is calcined under 1000'C-1300'C，the grain shape is verysharp, high abrasive ability，good self-sharpening and very good toughness with the high temperature treatment. It is used for producing high quality allkinds of coated abrasives products, such as sand paper, cloth, belts, and so on.