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    白剛玉磨料是行業中使用最為廣泛的一種,有白剛玉號砂、白剛玉段砂、白剛玉細粉、白剛玉微粉之分,白剛玉微粉可用作拋光研磨之首,適用于各種形式的研磨加工等等,這些都離不開它本身優異的性能特點;下面就針對它的具體性能做個詳細的介紹。

    性能:白色,較棕剛玉硬而脆,切削力較強?;瘜W穩定性好,具有很好的絕緣性。適用范圍:可做固結構及涂附磨具,濕式或干式噴射砂,適合晶體、電子行業的超精研磨和拋光及制作高級耐火材料等。適合加工淬火鋼、合金鋼、高速鋼、高碳鋼等硬度較硬,抗張強度較大的材料。白剛玉磨料還可用做觸媒體,絕緣體以及精密鑄造砂等。

    物理性能

    晶形:三方晶系

    密度:3.90 g/cm3

    硬度:努譜硬度 2000 - 2200 Kg/mm2 莫氏硬度9.0

    顏色:白色 煅燒后顏色 深藍

    熔點:2250 C

    最高使用溫度:1900 C

    比熱 (Cal/g. C):0.26 (20 - 90 C)

    熱傳導系數:室溫 900 C (Cal/cm3. sec. C)

    折光率:e=1.760 w=1.768(Na line)

    電阻率:30 C 300 C 900 C 1600 C(cm) 10 16 10 13 10 5 10 4

    線膨脹系數:(7 - 9)*10^-6/K (0 - 1600 C)

    產品用途:白剛玉微粉適用于各種精密儀表零件的拋光,機床主軸的超精研磨及水晶研磨拋光,超精油石制造,鋼球拋光等。廣泛用于電子、光學儀器、眼鏡、軸承、石英晶體、高級耐火材料等研磨拋光.

    產品特點:  

  1. 顏色純白,無雜質,保證耐磨層或耐磨紙色澤與透明性。

    2. 硬度高,顆粒致密,單顆粒圓形度好。

  3. 它是精選自經兩千多度高溫熔煉而成的優質白剛玉為原料,精細制作而成,其化學性能穩定與酸、堿不發生作用,熱收縮性極小。

    4. 粒度分布均勻集中,單顆粒形一致,用最少量可達最大耐磨效果。


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