Brown fused alumina
Brown fused alumina is made from bauxite coke by high-temperature smelting in an electric arc furnace. After raw material sorting, electrolytic smelting, crushing, ferromagnetic separation, screening, physical and chemical inspection, finished product packaging, warehousing, and other production processes. It has the characteristics of high hardness, good crystallization, good linear fluidity, less adhesion in use, non-explosion, non-cracking, and non-pulverization in use. The abrasives made by him show dark blue after calcination, no network cracks, and no rust spots.
1. Used to manufacture advanced refractory materials castables refractory bricks etc.
2. Sandblasting--the abrasive has moderate hardness high bulk density no free silica high specific gravity and good toughness. It is an ideal "environmentally friendly" sandblasting material. It is widely used in aluminum profiles copper profiles glass and washed jeans. Precision molds and other fields;
3. Free grinding-grinding grade abrasive applied to free grinding in the fields of picture tube optical glass single crystal silicon lens watch glass crystal glass jade etc. It is a high-grade grinding material commonly used in China;
4. Resin Abrasives-Abrasives with suitable color good hardness toughness suitable particle cross-section type and edge retention applied to resin abrasives the effect is ideal;
5. Coated abrasives-abrasives are raw materials for manufacturers such as sandpaper and gauze;
6. Functional fillers-mainly used for automotive brake parts special tires special construction products and other collars which can be used as wear-resistant materials such as highway roads airstrips docks parking lots industrial floors and sports venues;
Brown fused alumina index
|Application||Size||Chemical composition(%)||Magnetic material content(%)|
|For Refractory||Sand||0-1mm 1-3mm 3-5mm 5-8mm 8-12mm||≥95||≤0.3||≤1.5||≤3.0||-|
|25-0mm 10-0mm 50-0mm 30-0mm||≥95||≤0.3||≤1.5||≤3.0||-|
|Powder||180#-0 200#-0 320#-0||≥94.5≥93.5||≤0.5||≤1.5||≤3.5||
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