棕剛玉P砂是在棕剛玉F砂標(biāo)準(zhǔn)的基礎(chǔ)上，通過進(jìn)一步分篩和水洗工藝處理后加工而成。 這種棕剛玉P砂在1000'C-1300℃高溫鍛燒，形狀是尖形，磨削力高，自銳性好，經(jīng)過高溫處理后韌性極好，適用于做各種各種高檔次的涂附磨具產(chǎn)品，比如砂紙，砂布，砂帶等 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.