high quality refractory heat insulation brick series
Fireclay insulating brick
1. It is made of local top grade fireclay materals under the high temperature according to the lasted national standard,which possesses even buik density,high strength,low thermal conductivity and low impurity.
2. Mainly used for tne insulating lining of the blast furnace,heating furnace and hot blast stove,etc.
3. Our products have being exported to the USA, Japan, Korea, Germany, United Kingdom, Taiwan and so on.
4. Technical data:
|
Brand
|
NG-0.4
|
NG-0.6
|
NG-0.8
|
NG-1.0
|
NG-1.1
|
NG-1.2
|
NG-1.3
|
|
Bulk density g/cm3 ≤
|
0.4
|
0.6
|
0.8
|
1.0
|
1.1
|
1.2
|
1.3
|
|
Cold crushing strength MPa ≥
|
1
|
2
|
3
|
3.5
|
4
|
4.5
|
5
|
|
Permanent linear change ≤2% °C
|
1150
|
1200
|
1250
|
1300
|
1350
|
1350
|
1350
|
|
Thermal conductivity W/m.k 350°C ≤
|
0.20
|
0.25
|
0.35
|
0.40
|
0.45
|
0.50
|
0.55
|