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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BROWN ALUMINUM OXIDE FOR ETCHING PROCESSING SANDBLAST
Brown aluminum oxide also called Brown Fused Alumina, BFA is produced by a reduction fusion of high quality bauxites in more than 2200 ℃ electric arc furnace.
By type, there is section sand, F sand and P sand.
Section sand 0-1mm, 1-3mm,3-5mm, 5-8mm is mainly for refractory.
F sand F12#-F220# is applied for bonded abrasives grinding wheels, blasting media, and polishing.
P sand P12#-P220# is mainly for coated abrasives like sand paper.
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 | Vickers Hardness | Melting point |
| Brown | Trigonal Crystal | 3.97g/cm3 | 2100kg /mm2 | 2000 °C |
Etching processing:
Etching, crystal, agate, semi-precious stones, seals, ya stone, antiques, marble tombstones, ceramics, wood, bamboo and other etching art.
Grain standards can be GB (national standard), FEPA (European standard) and JIS (Japanese standard)
Caroline Cui