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20年厂家直销分离陶瓷膜用W28即600#白刚玉微粉
白刚玉微粉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、磨削能力强、发热量小、效率高、,热态性能稳定它硬度略高于棕刚玉，韧性稍低。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。
White fused alumina was made from the high quality alumina by melting above 2000 in the electric arc furnace and cooling. It is white with the main crystal phase alpha-Al2O3.The white alumina produced in titling electric arc furnace has the advantage of high bulk density and low porosity and the volume stability and thermal shock resistance can be improved.
一，主要物理特性Main Physical Properties
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莫氏硬度 MOHS HARDNESS |
9.0 |
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堆积密度 BULK DENSITY |
1.75-1.95g/cm3 |
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比重 SPECIFIC GRAVITY |
3.95g/cm3 |
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体积密度 |
3.60 |
用于磨料，研磨，抛光等 Used for abrasives ,lapping,Polishing
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属性 properties 规格 Type |
微粉 Micropowder |
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W |
W63 W50 W40 W28 W20 W14 W10 W7 W5 W3.5 W2.5 W1.5 W0.5 |
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FEPA |
F230 F240 F280 F320 F360 F400 F500 F600 F800 F1000 F1200 F1500 F2000 |
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JIS |
240# 280# 320# 360# 400# 500# 600# 700# 800# 1000# 1200# 1500# 2000# 2500# 3000# 4000# 6000# 8000# |
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保证值Guarantee Value |
典型值Typical Value |
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化学成分 Chemical Composition |
Al2O3 |
≥99 |
99.20 |
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SiO2 |
≤0.1 |
0.08 |
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Fe2O3 |
≤0.1 |
0.06 |
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Na2O |
≤0.4 |
0.32 |
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W28即600#白刚玉微粉：
陶瓷分离膜：
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