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公司基本資料信息
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白剛玉是以?xún)?yōu)質(zhì)鋁氧化粉為原料，經(jīng)電熔提煉結(jié)晶而成， 純度高、自銳性好、耐酸堿腐蝕、耐高溫、磨削能力強(qiáng)、發(fā)熱量小、效率高、,熱態(tài)性能穩(wěn)定它硬度略高于棕剛玉，韌性稍低。用其制成磨具，適用于磨削高碳鋼、高速鋼及不銹鋼等細(xì)粒度磨料還可以用于精密鑄造和高級(jí)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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堆積密度BULK DENSITY |
1.75-1.95g/cm3 |
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比重SPECIFIC GRAVITY |
3.95g/cm3 |
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體積密度 |
3.60 |
二，用途Application
1, 固結(jié)磨具和涂覆（涂附磨具）磨具Bonded abrasives and Coated abrasives
2，地板/墻體層壓材料Floor / Wall Laminates
3，熱噴涂/等離子噴涂Thermal Spraying (Plasma Spraying)
4，拋光和微分子噴砂Lapping & Micro-blasting applications
5，表面處理 Surface preparation and finishing
6，高級(jí)耐火材料，陶瓷Super Refractories, Ceramics and Tiles
7，制動(dòng)襯面 Brake linings
1,用于耐火材料，搗雜料，爐料Used for refractory, castable
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屬性 Properties 規(guī)格Type
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0-1 1-3 3-5mm |
0-100 0-200 0-320 |
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保證值 Guarantee Value |
典型值 Typical Value |
保證值 Guarantee Value |
典型值 Typical Value |
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化學(xué)成分 Chemical Composition |
Al2O3 |
≥99.2 |
99.5 |
≥99 |
99.2 |
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SiO2 |
≤0.1 |
0.06 |
≤0.30 |
0.08 |
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Fe2O3 |
≤0.1 |
0.04 |
≤0.20 |
0.10 |
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Na2O |
≤0.4 |
0.30 |
≤0.40 |
0.35 |
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2,用于磨料，噴砂，研磨，拋光Used for abrasives,blasting,grinding
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屬性properties
規(guī)格Type |
粒度砂Grains |
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8# 10# 12# 14# 16# 20# 22# 24# 30# 36# 40# 46# 54# 60# 70# 80# 90# 100# 120# 150# 180# 220# |
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保證值 Guarantee Value |
典型值Typical Value |
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化學(xué)成分 Chemical Composition |
Al2O3 |
≥99 |
99.50 |
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SiO2 |
≤0.1 |
0.04 |
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Fe2O3 |
≤0.1 |
0.04 |
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Na2O |
≤0.35 |
0.23 |
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3，用于磨料，研磨，拋光等 Used for abrasives ,lapping,Polishing
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屬性properties 規(guī)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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保證值Guarantee Value |
典型值Typical Value |
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化學(xué)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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