Product Description
BROWN ALUMINUM OXIDE GRITS FOR BONDED ABRASIVES
Brown Fused Alumina, also called Brown aluminum oxide, is the main raw materials to produce vitrified bonded abrasives and resin bonded abrasives like cutting discs, cutting wheels, grinding wheels, etc..
Grit sizes from 12#-220#. Popular sizes 24#,30#,36#,46#,60#, 80# etc.
All grains can meet GB/T2481.2—2009 and/or FEPA 42-1:2006.
By Al2O3:
- 95% Al2O3 Grade A Brown aluminum oxide
- 92% Al2O3 Offset A Brown aluminum oxide
- 85% Al2O3 Grade B Brown aluminum oxide
By application:
- F sand for Bonded Abrasives
- P sand for coated Abrasives
By smelting type:
- Tilting furnace
- Fixed Furnace
By crushing type:
- Barmac
- Rolling
- Ball milling
By Additional treatment:
- Middle temperature calcined Brown aluminum oxide,
- High temperature calcined Brown aluminum oxide,
- Coated Brown aluminum oxide
- High temperature calcined & coated Brown aluminum oxide (AHMCF)
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 |
| Sizes-Grit & Bulk Density (g/cm3) |
| F12# 1.93-1.99 |
F14# 1.92-1.98 |
F16# 1.91-1.97 |
F20# 1.90-1.96 |
F22# 1.89-1.95 |
| F24# 1.88-1.94 |
F30# 1.87-1.93 |
F36# 1.85-1.91 |
F40# 1.84-1.90 |
F46# 1.83-1.89 |
| F54# 1.82-1.88 |
F60# 1.81-1.86 |
F70# 1.80-1.84 |
F80# 1.79-1.82 |
F90# 1.77-1.80 |
| F100# 1.75-1.78 |
F120# 1.73-1.76 |
F150# 1.70-1.74 |
F180# 1.69-1.73 |
F220# 1.68-1.72 |
| Sizes-Section sand |
| 0-1mm |
1-3mm |
3-5mm |
5-8mm |
0-25mm |
| 200mesh |
325mesh |
Special sizes can be customized as per clients’ requirements |
Supply Capacity
BFA grit: F12#-F220# for abrasives and sandblasting: 1000 mt per Month
BFA section sand 0-1mm, 1-3mm, 3-5mm, 200 mesh, 325 mesh for refractory: 1000 mt per Month
Brown Aluminum oxide grits especially F 20#, 24#, 30#, 36#, 46#, 60#, 70#, 80#
Is applicable for Bonded abrasives and sandblasting
Vitrified Bonded abrasives and resin bonded abrasives. Like grinding wheels, cutting discs, etc.
Sandblast on aluminum parts, copper parts, glass, Washed jeans, precision molds such as shoe molds blasting, decontamination, descaling, cleaning, pretreatment, matte finish, etching art, deburring, stress relief, etc.
Why Choose us?
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
Our Brown fused alumina grit has been exported to Japan, India, Israel, Russia, Poland etc.
Pls send me email to get Brown fused alumina datasheet /samples and quotation…
Caroline Cui
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