From: Technological properties of high alumina refractories with different phosphoric acid contents
Phosphoric acid % | Bulk density g/cm3 | Apparent porosity % | Linear shrinkage % | Thermal shock resistance No. of cycles | Cold crushing strength kg/cm2 |
---|---|---|---|---|---|
3% | 2.48 | 17.79 | + 0.07 | > 30 | 1122 |
5% | 2.55 | 18.51 | 0.18 | > 30 | 806 |
7% | 2.49 | 21.65 | 0.17 | > 30 | 665 |