Click image to view original picture
refractory materials with good refractoriness and apparent porosity.high alumina bricks pass ISO 9001:2000certificate.
The detail of high quality refractory materials is as following :
1. made of high-quality bauxite clink er ,shaped at hihg pressure and sintered at high temperature .
2.main minerals are mullite and corundum phase
3.performance : good high temperature resistance and chemical erosion resistance .
4.function : used in each posotion of lings of blast furnace .
| item | LZ-75 | LZ-65 | LZ-55 |
| Al2O3 % min | 75 | 65 | 55 |
| Refractability min | 1790 | 1790 | 1770 |
| R.U.L.Refractoriness under load min | 1520 | 1500 | 1470 |
| % (P.L.C.) 1450°C*2h | 0.1---0.4 (1500°C82h) | ||
| % ( A.P.) Apparent porosity max | 23 | 23 | 22 |
| Mpa (ccs) Cold crushing strength | 53.9 | 49 | 44.1 |
