White Fused Alumina
1. Basic indicators
Molecular Formula | Al2O3 |
Appearance | White powder |
CAS No. | 1344-28-1 |
Hs Code | 281820 |
2. Technical specifications
Chemical Composition | Physical Properties |
Al2O3 | 98.5-99.7% | Mohs Hardness | 9.0 |
Fe2O3 | 0.04-0.10% | Melting Point | 2250℃ |
Na2O | 0.25-0.35% | Bulk Density | 1.75-1.95g/m3 |
SiO2 | 0.20-0.30% | Specific Gravity | 3.95-3.97g/m3 |
Available Sizes
Fraction:
0-1mm 1-3mm 3-5mm 5-8mm
Fine:
100mesh 200mesh 300mesh 325mesh
Grains:
#8 #10 #12 #14 #16 #20 #22 #24 #30 #36 #40 #46 #54 #60 #70 #80 #90 #100 #120 #150 #180 #220
Micro powder:
(JIS) #240 #280 #320 #360 #400 #500 #600 #700 #800 #1000 #1200 #1500 #2000 #2500 #3000 #4000 #6000 #8000 #10000
(FEPA) F230 F240 F280 F320 F360 F400 F500 F600 F800 F1000 F1200 F1500
3. Application
1). Refractory, casting, foundry.
2). Bonded abrasives and Coated abrasives.
3). Surface treatment/finishing.
4). Lapping, polishing, decorative non-skid tile, and pressure blasting.
5). Ceramic Tiles special ceramics.
6). Fluidized Bed Furnaces and Skin/Dental Care.
7). Oilstone/polishing pad, grinding wheels etc.
8). Anti-friction material, anti-resisting grounds/paper/paiting.
9). Used for making polishing paste/solution etc
4. Packing and storage
Packing: Double coated plastic woven / paper bag, net weight 25kg.
Big bag packing, net weight 1000kg / 1250kg per clients' request.
Storage: Dry, ventilated, moisture proof.
白刚玉
白刚玉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、热态性能稳定它硬度略高于棕刚玉，韧性稍低，纯度高、自锐性好、磨削能力强、发热量小、效率高、耐酸碱腐蚀、耐高温热稳定性好。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。
产品规格：
项目 | 指标 |
Al2O3 | ≥98.5% |
Fe2O3 | ≤0.08% |
SiO2 | ≤0.30% |
Cao | ≤0.03% |
MgO | ≤0.02% |
K2O | ≤0.02% |
Na2O | ≤0.35% |
堆积密度 | 1.75-1.95g/cm3 |
颗粒密度 | ≥3.90g/cm3 |
莫氏硬度 | ≥9 |
显微硬度 | 21600-22600kg/mm3 |
用途：
砂轮，炼钢，高级耐火材料等。它的特点是切削力较强，化学稳定性好，具有很好的绝缘性磨具适用于磨削高碳钢、高速钢和淬火钢等硬度较硬、抗张强度较大的材料的磨削等。还可作为研磨抛光材料其；精密铸造、喷涂材料，化工触媒载体，特种陶瓷
