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白刚玉是以优质的铝氧粉为原料,经电熔冶炼而成。它具有颜色洁白、硬度高、韧性低、纯度高、自锐性优、磨削力强、发热量小、效率高、耐酸碱腐蚀、耐高温、热稳定性好等特点,它不但是高级的磨料磨具材料,且还是高级研磨、抛光材料等,用它加工制成的磨具,适用于磨削高碳钢、高速钢及各种不锈钢。它还广泛适用于精密铸造、钢铁耐火、化工耐火、95电瓷、装饰瓷等特种陶瓷以及日常生活用瓷、军工、电子等高科技行业。
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白刚玉:
性质:以铝氧粉为原料,在电弧炉内经高温冶炼而成。
特点:Al203含量一般高于98%,硬度高于棕刚玉,韧性低于棕刚玉,有较好的切削性能。
用途:用它制成的磨具,适于磨削淬火的合金钢、高速钢等。细粒度磨粉还可用作精密铸
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白刚玉理化指标
用途 | 规格 | 主要化学成分% |
Al2O3 | Na2O3 | SiO2 | Fe2O3 |
磨料 磨具 | 粒度砂 | 12#—60# | ≥99.0 | ≤0.26 | ≤0.08 | ≤0.05 |
60#-100# | ≥99.0 | ≤0.28 | ≤0.09 | ≤0.06 |
120#—150# | ≥99.0 | ≤0.29 | ≤0.1 | ≤0.08 |
180#—220# | ≥99.0 | ≤0.31 | ≤0.1 | ≤0.1 |
230#-320# | ≥99.0 | ≤0.5 | ≤0.1 | ≤0.1 |
耐火 材料 | 段砂 | 0--1mm 1--3mm 3--5mm 5-8mm 10—15mm 15—20mm 25—35mm 40—80mm 46—80mm 0—0.5mm 1—0.15mm 1—2mm 1—0.5mm 1—0.21mm 2—3mm | ≥99.0 | ≤0.35 | ≤0.1 | ≤0.1 |
细粉 | 150—0 180—0 200—0 220—0 320—0 325—0 | ≥99.0 | ≤0.35 | ≤0.1 | ≤0.1 |
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