Zhengzhou Zhengtong Abrasive Import&Export Co.,Ltd
Zhengzhou Zhengtong Abrasive Import&Export Co., Ltd is exporter of blasting media ceramic beads, brown fused alumina, black fused alumina, white fused alumina & grinding media zirconia beads,
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Refractory grade Brown fused alumina Size 3-5mm for castables
Brown aluminum oxide, also called Brown Fused Alumina, brown corundum, artificial corundum, BFA, etc, is made by melting process and reducing in electric furnace over 2200°C with three raw materials of bauxite, anthracite and iron chip. Then made into different grain size through cooling crystallization, sort, crush, magnetic separation, screen size, blow cleaning etc..
The refractory grade section sand available sizes are 0-1mm, 1-3mm, 3-5mm, 5-8mm etc...
Commodity: Brown Fused Alumina
Production Type: Tilting Furnace, Barmac Crushing, Air Blow Cleaning
| Chemical Index | ||||
| Al2O3 | SiO2 | Fe2O3 | TiO2 | CaO |
| 95%min. | 1.0% max. | 0.3% max. | 2.0%-3.0% | 0.45% Max. |
| Physical Index | ||||
| Color | Crystal Form | True Specific Gravity | Refractoriness | Melting point |
| Brown | Trigonal Crystal | 3.97g/cm3 | 1900°C | 2050 °C |
Sizes: 0-1mm, 1-3mm, 3-5mm, 5-8mm etc..
Supply Capacity
1000KGS /Ton bags
1) 20 years abrasive industry experiences
2) Direct Factory supply & Fixed abrasive sources
3) On-site inspection in factory for each shipment
4) Samples tests each lot in Zhengzhou Research Institute for Abrasives& Grinding Co., Ltd
Pls send me email to get Brown fused alumina datasheet /samples and quotation…