- Brand Name: Shengli abrasives
- Place of Origin: Shandong China (Mainland)
- Model Number: BFA
FEPA-Standard 42/43-1/2:2006. Grains for bonded and coated abrasives;Macrogrits F/P4 to F/P220 and Microgrits F/P230 to F/P2000
Type: F (BROWN FUSED ALUMINUM OXIDE)
(Standard Sizes: F16, F20, F24, F30, F36, F40, F46, F54, F60, F70, F80, F90,F100, F120, F150, F180, F220, F240, F280, F320, F360, F400, F500, F600, F800, F1000, F1500)
Filed of Application: Manufacture of grinding wheels, grinding disks various
grinding shape, blasting operations
Chemical Composition
Grit Size/ Chem. Comp. | Al2O3 | SiO2 Max. % | Fe2O3 Max. % | TiO2 |
4# ~ 90# | 95~97.0 | 0.8 | 0.5 | 2.0~3.2 |
100#~ 180# | > 94.5 | 0.8 | 0.5 | |
220#~ 240# | >94.0 | 1.0 | 0.5 |
Grain Size | Al2O3 Min. % | Fe2O3 Max. % | TiO2 % | SiO2 Max. % | Knoop hardness kg/mm2 | Grain Density g/cm3 |
F240 through F400 | 92.00 | 0.30 | 2.0~3.5 | 0.4 | 2000 ~2200 | > 3.90 |
F500 through F1000 | 90.00 | 0.30 | 2.0~3.5 | 0.4 | 2000 ~2200 | > 3.90 |
Physical Properties:
Crystal Form | Crystal Size um | True Density g/cm3 | Bulk Density g/cm3 | knoop hardness g/mm2 | Toughness (single grain crushing strength) |
a-Al2O3 | 400~800 | >3.90 | 1.68~1.85 | 1800~2200 | 1.14 |
TRUE SPECIFIC GRAVITY: g/cm3 3.96
BULK DENSITY: g/cm3 1.70~1.85
TOUGHNESS: kg 1.14
HARDNESS: Knoop 100(kg/mm2) 2000-2200
MELT POINT : 2000, CRYSTAL FORM: a-Al2O3
Typical Chemical Composition % for F30
Grit Size/ Chem. Comp | Al2O3 | SiO2 % | Fe2O3 % | TiO2 |
#36 | 96.25 | 0.8 | 0.20 | 2.86 |
Packing: 25kg/per bag, Palletized in 1000 kg per pallet.
Type: P (BROWN FUSED ALUMINUM OXIDE)
(Standard Sizes: P8, P10, P12, P14, P16, P20, P24, P30, P36, P40, P50, P60, P70, P80, P100, P120,P150, P180, P220,P240, P280, P320, P360, P400, P500, P600,P800,P1000,P1200)
Fields of Application: Abrasive belt, Abrasive cloth, Water-proof,
Abrasive paper, Flap wheel, Fiber disc.
Chemical & Physical Properties:
Crystal form | a- Al2O3,Trional system | knoop hardness kg/mm2 | 2000-2200 |
Chemical nature | Amphoteric | Color | Dark brown |
Reaction with acid | subject to mild attack by aqua and /or hydrofluoric acid | Color after firing | Light blue |
Reaction with alkalis | Very slight with strong and hot solution | Melting point | 2000 |
Oxidation-reduction effects | None | Max. Usable temperature | 1900 |
True density(g/cm3) | 3.97 | Electrical resistance (OMcm) | 1016/30, 1013/3, 109/900 , 104/1600 |
Chemical Composition
Grain Size | Al2O3 wt % | Fe2O3 Max. % | TiO2 wt % | SiO2 Max. % |
P8-P80 | 95.00-97.00 | 0.2 | 2.0~3.2 | 0.8 |
P100-P180 | 94.30 | 0.2 | 2.0~3.2 | 0.8 |
P200-P240 | 93.50 | 0.2 | 2.0~3.2 | 1.0 |
P280-P400 | 92.00 | 0.5 | 2.0~3.2 | 2.0 |
P500-P1200 | 91.00 | 0.5 | 3.0~3.5 | 4.0 |
Packing: 25kg/per bag, Palletized in 1000 kg per pallet.
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