Brown fused alumina for sandblasting abrasive cutting disc FEPA 20#, 24#, 30#, 36#, 46#, 54#, 60#
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..
It's also regular sandblasting media for Surface cleaning, Refurbishment, Rust removal, Deburring, Rough surface treatment etc..
Grit sizes from 12#-220#.
Popular sizes for cutting discs and grinding discs abrasives 24#,30#,36#,46#,60#, 80# etc.
All grains can meet GB/T2481.2—2009 and/or FEPA 42-1:2006.
By Al2O3:
Brown fused alumina can be divided into 3 types below:
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 | Brown |
| Crystal Form | Trigonal Crystal |
| True Specific Gravity | 3.97g/cm3 |
| Vickers Hardness | 2100kg /mm2 |
| Melting point | 2000 °C |
| Mohs Hardness | 9 |
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#
1. Applicable for Bonded abrasives and sandblasting
Vitrified Bonded abrasives and resin bonded abrasives. Like grinding wheels, cutting discs, etc.
2. Sandblasting on aluminum parts, copper parts, glass, Washed jeans, precision molds such as shoe molds blasting, decontamination,
For descaling, cleaning, pretreatment, matte finish, etching art, deburring, stress relief, etc.
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 has been exported to USA, Japan, India, Israel, Russia, Poland etc.
Pls send me email to get Brown fused alumina datasheet /samples and quotation…
