CHEMICAL,PROPERTIES AND SIZES OF PINK FUSED ALUMIINA FOR REFRACTORY
Pink fused alumina is also called pin aluminum oxide,pink corundum,pink electrocorundum,”PFA””PA” for short.
It is made from mainly chrominum oxide and aluminum oxide.
Chemical of pink fused alumina for refractory
| Item | Al2O3（%） | Cr2O3（%） | Na2O（%） | Fe2O3（%） |
| Low chrominum | ≥98.5 | 0.2-0.45 | ≤0.3 | 0.01-0.05 |
| Medium Chrominum | ≥98.2 | 0.45-1.00 | ≤0.3 | 0.01-0.05 |
| High Chrominum | ≥97.5 | 1.00-2.00 | ≤0.35 | 0.01-0.05 |
Physical properties of pink fused alumina for refractory
| Basic minerals | α-Al2O3 |
| True density g/cm3 | ≥3.90 |
| Bulk density g/ cm3 | 1.40-1.91 |
| Knoop hardness kg/mm2 | 2200-2300 |
Sizes of pink fused alumina for refractory
0-1mm 1-3mm 3-5mm 5-8mm …
Manufacturer of pink fused alumina—zhengzhou haixu abrasives co.,ltd
