Brown fused aluminum oxide is made of bauxite and coke ( anthracite ) as main raw materials smelted at 2300℃ in a dumping furnace. Its main chemical components are Al2O3 and TiO2,and it also contains a small amount of SiO2 and Fe2O3 etc. Microhardness is HV1800-2200. It is suitable for grinding metals with high tensile strength, such as various universal steel, wrought iron and hard bronze etc. It also can be used to make advanced refractory materials. Yue Abrasives brown corundum has characteristics of high purity, good crystallization, corrosion resistance, no explosion and no cracking etc. The fire resistance temperature reaches to over 1900℃.
Refractory sand | ||||
Grit Size | Al2O3 | SiO2 | Fe2O3 | TiO2 |
0-1mm | >95.2% | <1% | <0.3% | <3.5% |
1-3mm | >95.2% | <1% | <0.3% | <3.5% |
3-5mm | >95.2% | <1% | <0.3% | <3.5% |
200mesh | >95.0% | <1% | <0.3% | <3.5% |
325mesh | >95.0% | <1% | <0.3% | <3.5% |
Abrasives sand | ||||
Grit Size | Al2O3 | SiO2 | Fe2O3 | TiO2 |
F8-F220 | >95.2% | <1% | <0.3% | <3.5% |
F240-F400 | >95% | <1% | <0.3% | <3.5% |
F500-F3000 | >95% | <1% | <0.3% | <3.5% |
Brown fused alumina application：
1) Abrasive: Produce ceramic grind wheel, resinoid grinding wheel, Grinding stone, Grinding block, sand paper, sand cloth, sand belt, polish wax,etc..
2) Refractory material: Mainly used for abrasion and high temperature resistance,in oxidizable aggregate and filling of shaped and monolithic refractory in steel metallurgy, various industrial stoves, electric furnace etc..
3) Sandblasting abrasive: Mainly used for various material workpieces to decontaminate, de rusting, prevent corrosion, remove oxide skin etc..
4) Abrasion resistance
5) Precision casting: Investmground: Mainly used for non-slip of airport and road, chemical factoryboard paving.ent casting technics of stainless steel and aluminum casting in coating.
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