Description
95% Brown fused alumina tilting furnace 24# for bonded abrasives
DEION
Brown fused alumina,also called Brown aluminum oxide, Brown corundum, BFA, etc., is a kindly of artificial corundum, HS code: 2818101000
It is made of high-quality bauxite as main raw material, fusing and purifying in a tilting electric arc furnace at high temperature of over 2200°c, and then shaped into different grain size through process of crystal, choosing, crushing, magnetic separation, air cleaning, and screening.
Main chemical composition is Al2O3 95% Min. and small quantity of TiO2, Fe2O3, SiO2, etc. It has characteristics of high hardness, great toughness, self-sharpness and good grinding performance.
Mainly used for Bonded abrasives like cutting discs and grinding wheels and coated abrasives like sand paper, sand rolls, flap discs, etc;
also used for blasting media for etching, removing paint and preparing a surface for recoating.
Available in a variety of sizes from B12# to B220#, grit sizes meeting China GB/T stand and FEPA standard.
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 |
Sizes-Grit & Bulk Density
F12#
F14#
F16#
F20#
F22#
F24#
F30#
F36#
F40#
F46#
F54#
F60#
F70#
F80#
F90#
F100#
F120#
F150#
F180#
F220#
Sizes-Section sand
0-1mm
1-3mm
3-5mm
5-8mm
0-25mm
200mesh
325mesh
Special sizes can be customized as per clients’ requirements
APPLICATION
- Bonded abrasives like cutting discs and grinding wheels and coated abrasives like sand paper, sand rolls, flap discs, etc;
- Sandblasting for cleaning, deburring metal parts like aluminum, copper parts, washed jeans and other precision abrasives;
- Refractories,castables,refractory bricks
PRODUCTION
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