Phosphate combined alumina brick
Product Description
Phosphate combined alumina brick
Item | Unit | Phosphate bricks P | Abrasion resistant brick PA | ||
Ⅰ | Ⅱ | Ⅰ | Ⅱ | ||
Al2O3 ≥ | % | 75 | 77 | ||
Fe2O3 ≤ | % | 3.2 | 3.2 | ||
CaO | % | 0.6 | 0.6 | ||
Bulk density ≥ | g/cm3 | 2.70 | 2.65 | 2.75 | 2.70 |
Cold crushing strength ≥ | Mpa | 70 | 60 | 75 | 65 |
Refractoriness under load ≥ | ℃ | 1350 | 1300 | 1300 | 1250 |
Thermal shock resistance 1100℃ water cooling ≥ | times | 10 | 10 | 10 | 10 |