Refractory vermiculite insulation brick
USD $200 - $600 /Ton
Min.Order:20 Tons
Qingdao Fame Rise Trading Co., Ltd.
Item: | JM-23 | JM-26 | JM-28 | JM-30 | JM-32 | |
Classification temperature oC | 1260 | 1430 | 1540 | 1650 | 1760 | |
Bulk density g/cm3 | 0.6 | 0.8 | 0.9 | 1.0 | 1.25 | |
Modulus of rupture MPa | 0.9 | 1.5 | 1.6 | 1.7 | 2.0 | |
Cold crushing strength MPa | 1.2 | 2.4 | 2.6 | 2.8 | 3.4 | |
Permanent linear change %, | -0.1 | -0.5 | -0.8 | -0.9 | -0.9 | |
1230oC×24 | 1400oC×24 | 1510oC×24 | 1620oC×24 | 1730oC×24 | ||
Thermal expansion coefficient | 0.45 | 0.50 | 0.55 | 0.60 |
| |
Thermal conductivity W/m.k | 400.C | 0.17 | 0.24 | 0.30 | 0.40 | 0.49 |
600.C | 0.19 | 0.27 | 0.32 | 0.42 | 0.50 | |
800.C | 0.22 | 0.30 | 0.35 | 0.44 | 0.51 | |
1000.C | 0.25 | 0.32 | 0.38 | 0.45 | 0.53 | |
1200.C | - | 0.35 | 0.39 | 0.47 | 0.55 | |
Al2o3 % | 38 | 50 | 64 | 72 | 76 | |
Fe2o3 % | 0.9 | 0.8 | 0.7 | 0.5 | 0.4 |