mullite insulating brick and high strength high-alumina insulating fired brick
USD $200 - $600 /Ton
Min.Order:20 Tons
Qingdao Fame Rise Trading Co., Ltd.
thermal insulation ceramic brick
thermal insulation ceramic brick with ISO9001 certificate,refractory brick with performance of high cold crushing strength
Item | NG-1.3 | NG-1.2 | NG-1.1 | NG-1.0- | NG-0.8 | NG-0.6 | NG-0.4 |
Bulk density / (g/cm3) | 1.3 | 1.2 | 1.1 | 1.0 | 0.8 | 0.6 | 0.4 |
Cold crushing strength / Mpa | 5.0 | 4.5 | 4.0 | 3.5 | 3.0 | 2.0 | 1.0 |
Permanent linear change temp. less than 2%,.C | 1350 | 1350 | 1350 | 1350 | 1250 | 1200 | 1150 |
Thermal conductivity / W/m.k 350.C+25 | 0.22 | 0.5 | 0.45 | 0.44 | 0.35 | 0.25 | 0.2
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Item
Brand | Unit | GM23 | GM26 | GM28 | |||
Spec. | Range | Spec. | Range | Spec. | Range | ||
Classfied temperature | °C | 1260 | --- | 1430 | --- | 1540 | --- |
Bulk Density | g/cm3 | 0.55 | ±0.03 | 0.78 | ±0.03 | 0.88 | ±0.03 |
C.C.S | MPa | 1.2 | ±0.3 | 1.6 | ±0.3 | 2.1 | ±0.3 |
R.L.C | % | 1230°C -0.50 |
--- | 1400°C -0.50 |
--- | 1510°C 0.53 |
--- |
Thermal conductivity w/m.k | 400°C | 0.14 | ±0.01 | 0.27 | ±0.01 | 0.32 | ±0.01 |
600°C | 0.16 | ±0.01 | 0.29 | ±0.01 | 0.34 | ±0.01 | |
800°C | 0.18 | ±0.01 | 0.31 | ±0.01 | 0.36 | ±0.01 | |
1000°C | 0.20 | ±0.01 | 0.33 | ±0.01 | 0.38 | ±0.01 | |
M.O.R | MPa | 0.9 | ±0.15 | 1.5 | ±0.15 | 1.7 | ±0.15 |
Chemical Analysis | % | ||||||
Al2O3 | 37 | 58 | 66 | ||||
SiO2 | --- | --- | |||||
Fe2O3 | ≤1.0 | ≤1.0 | ≤1.0 | ||||
TiO2 | --- | --- | --- | ||||
Tolerance | >250mm ±1.0mm <250mm ±0.5mm Corner edge damage:a+b+c<30mm |