Brown fused alumina oxide of high temperature calcined 1250℃ (Blue fired)
CODE: RW-A1250
Brown fused alumina shows blue color after calcination at 1250℃ temperature. The impurities existed in the grains will be separated out & vaporized . The surface of each particle changes coarser, improves the hydrophilicity greatly. After 1350℃ calcinations ,cracks from crushing and crystal cooling process be closed ,the toughness,strength is some better than normal BFA and enhancing the wear resistance too.
This product is mainly used for high speed strong belt, High grade bonded abrasive, resin wheel ,sand paper, tray ,large cutting disc, and can also be used to grind stainless steel plate, alloy steel and cemented carbide .
Comparison of toughness (Ball mill method) : BFA Normal grade and BFA Calcined at 1250℃
Grit size(Pstandard) | NormalGrade BFA | BFA Calcined 1250℃ | Increaserate % |
P24 | 17.15 | 49.35 | 187.8 |
P30 | 27.8 | 49.5 | 78.1 |
P40 | 29.5 | 53.5 | 81.4 |
P60 | 31.9 | 52.8 | 65.5 |
P100 | 54.2 | 67.8 | 25.1 |
P150 | 60.2 | 76.8 | 27.6 |
P220 | 63.5 | 72.8 | 14.6 |
Standard： FEAP- F (Bonded abrasives), FEPA- P (Coated abrasives)
Grit available: Grit FEPA F12 – F220#.
Grit FEPA P12-220#.
Other sizes are also available according with order.
