vThe main raw material is hard-clay processed materials, the bond is the clay that is plasticity and excellent mineral fines of diatomaceous earth. The product is formed by engineering pressing and extrusion. It is used to the thermal coating and kiln hood lining that can prevent higher temperature and corrosive gases. It contains steady chemical components, higher intensity, and better refractory effects. It is hard to find the refractory material.
vIt is used to the thermal coating and kiln hood lining that can prevent higher temperature and corrosive gases.
|
ITEM |
Unit |
CM-NG -1.2 |
CM-NG -1.0 |
CM-NG -0.8 |
CM-NG -0.6 |
CM-NG -0.5 |
TEST METHOD |
|
Bulk density /g/cm3, ۽≤ |
g/cm3 |
1.25 |
1.0 |
0.8 |
0.6 |
0.5 |
GB/T2998-2001 (ISO 5016-1997) |
|
compressive strength /Mpa, ≥ |
Mpa |
4.4 |
3 |
2.0 |
1.5 |
1.18 |
GB/T5072-2008 (ISO 8895-2004) |
|
Permanent Linear change ≤2％; the testing temperature of 8h heat preservation |
℃ |
1350 |
1350 |
1250 |
1200 |
1150 |
GB/T3997.1-1998 (ISO 2477-2005) |
|
Thermal conductivity , ≤ |
W/m.k |
|
|
|
|
|
GB/T5990-2008 (ISO 8894-2:1990) |
|
At 2000C |
|
0.40 |
0.40 |
0.30 |
0.20 |
0.15 |
|
|
At 4000C |
|
0.42 |
0.42 |
0.33 |
0.24 |
0.18 |
|
|
At 6000C |
|
0.47 |
0.47 |
0.39 |
0.27 |
0.21 |
|
|
At 8000C |
|
0.49 |
0.49 |
0.41 |
0.29 |
0.23 |
|
|
At10000C |
|
0.51 |
0.51 |
0.43 |
0.33 |
0.25 |
|
|
Tolerance of length |
mm |
±2 |
|
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|
width |
mm |
±1 |
|
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|
thickness |
mm |
±1 |
|
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