high alumina brick
Minimum Order: 0
Quality/Safety Certification: 0.00
supply various Refractory material, such as
Fire Bricks
High alumina brick
Insulation brick TM23, TM26, TM28
aid brick,Clay
| FOR HOT BLAST STOVE | FOR EAF ROOF | FOR GENERAL USE | ||||||
| Goods No. | GHHA65 | GHHA55 | GHHA48 | RHS | RH1 | RH2 | Al75 | Al-1 | Al-2 |
| Al2O3(%) min | 65 | 55 | 48 | 80 | 75 | 65 | 75 | 65 | 55 |
| Refractoriness(C ) min | 1790 | 1770 | 1750 | 1850 | 1800 | 1790 | 1790 | 1790 | 1770 |
| Refractriness under load 0.2 Mpa(C ) | 1500 | 1470 | 1420 | 1550 | 1530 | 1520 | 1520 | 1500 | 1470 |
| Apparent porosity (%) max | _ | _ | _ | 19 | 19 | 22 | 23 | 23 | 22 |
| CCS (MPa)min | 49 | 44.1 | 39.2 | 78.5 | 68.6 | 58.8 | 54 | 49 | 44.1 |
| Shrinkage after reheating 1500x2h (%) max | +0.1-0.4 | +0.1-0.4 | +0.1-0.4 | +0.1-0.4 | +0.1-0.4 | +0.1-0.4 | +0.1-0.4 | +0.1-0.4 | +0.1-0.4 |
We are an ISO9001: 2000 certified corporation in China the refractory bricks is our main export product.
Our company supply various Refractory material, such as
1)Fire Bricks
2)High alumina brick
3)Insulation brick TM23, TM26, TM28
4)Resist aid brick
5)Ceramic fiber blanket
6)Castables, mortars, cements, ramming mixes
The specification of High alumfollows:ina brick is as
| item | unit | LZ-75 | LZ-65 | LZ-55 | LZ-48 | |
| AI2O3≥ | % | 75 | 65 | 55 | 48 | |
| refractoriness≥ | oC | 1790 | 1790 | 1770 | 1750 | |
| softening temp under 0.2MPaload≥ | oC | 1520 | 1500 | 1470 | 1420 | |
| linear change of-heating | 1500oC,2h | % | 0.1 -0.4 | |||
| 1450oC,2h | -0.4 | |||||
| porosity≤ | % | 23 | 22 | |||
| pressure resistance at normal temp | Mpa | 53.9 | 49 | 44.1 | 39.2 | |
