
1. Backing insulation for kilns in cement and other building materials industries;
2. Kiln backing insulation in petrochemical, metallurgy, ceramics and glass industries;
3. Backing insulation of heat treatment kiln;
4. Backing insulation for non-ferrous metal industry;
5. High temperature reaction and heating equipment backing insulation

●Non-brittle material, good toughness;
|
|
XWK40 |
XWK45 |
XWK48 |
XWK50 |
XWBZ15 |
|
|
|||||
|
Al2O3% |
40-44 |
44-46 |
46-50 |
50-60 |
30-35 |
|
Al2O3+Si02% |
Greater than or equal to 94 |
Greater than or equal to 97 |
Greater than or equal to 98 |
Greater than or equal to 98 |
Greater than or equal to 98 (+Zr02) |
|
ZrO2% |
- |
- |
- |
- |
Greater than or equal to 15 |
|
Fe2O3% |
Less than or equal to 1. 2 |
Less than or equal to 1.0 |
Less than or equal to 0.8 |
Less than or equal to 0.5 |
Less than or equal to 0.5 |
|
Na2O+K2O% |
Less than or equal to 0.5 |
Less than or equal to 0.5 |
Less than or equal to 0.2 |
Less than or equal to 0.2 |
Less than or equal to 0.2 |
|
|
Less than or equal to 1000 |
Less than or equal to 1000 |
Less than or equal to 1100 |
Less than or equal to 1200 |
Less than or equal to 1350 |
|
Volume density /kg.m3
|
200~600 |
200~600 |
200~600 |
200~600 |
200~600 |
|
/W(m.k)
|
Less than or equal to 0.14 (600 degree ) Less than or equal to 0.18 (800 degree ) |
Less than or equal to 0.14 (600 degree ) Less than or equal to 0.18 (800 degree ) |
Less than or equal to 0.18 (800 degree ) Less than or equal to 0.22 (1000 degree ) |
Less than or equal to 0.18 (800 degree ) Less than or equal to 0.22 (1000 degree ) |
Less than or equal to 0.88 (1000 degree ) Less than or equal to 0.28 (1200 degree ) |
|
/% |
Less than or equal to 1.5 (900 degree ,24H) |
Less than or equal to 1.5 (1000 degree ,24H) |
Less than or equal to 1.5 (1100 degree ,24H) |
Less than or equal to 1.5 (1200 degree ,24H) |
Less than or equal to 1.5 (1300 degree ,24H) |
|
|
600mmX400mmX(10-50)mm 900mmX600mmX(10-50)mm |
||||
|
|
XWK40 |
XWK45 |
XWK48 |
XWK50 |
XWBZ15 |
|
|
|||||
|
Al2O3% |
40-44 |
44-46 |
46-50 |
50-60 |
30-35 |
|
Al2O3+Si02% |
Greater than or equal to 94 |
Greater than or equal to 97 |
Greater than or equal to 98 |
Greater than or equal to 98 |
Greater than or equal to 98 (+Zr02) |
|
ZrO2% |
- |
- |
- |
- |
Greater than or equal to 15 |
|
Fe2O3% |
Less than or equal to 1. 2 |
Less than or equal to 1.0 |
Less than or equal to 0.8 |
Less than or equal to 0.5 |
Less than or equal to 0.5 |
|
Na2O+K2O% |
Less than or equal to 0.5 |
Less than or equal to 0.5 |
Less than or equal to 0.2 |
Less than or equal to 0.2 |
Less than or equal to 0.2 |
|
|
Less than or equal to 1000 |
Less than or equal to 1000 |
Less than or equal to 1100 |
Less than or equal to 1200 |
Less than or equal to 1350 |
|
Volume density /kg.m3
|
200~600 |
200~600 |
200~600 |
200~600 |
200~600 |
|
/W(m.k)
|
Less than or equal to 0.14 (600 degree ) Less than or equal to 0.18 (800 degree ) |
Less than or equal to 0.14 (600 degree ) Less than or equal to 0.18 (800 degree ) |
Less than or equal to 0.18 (800 degree ) Less than or equal to 0.22 (1000 degree ) |
Less than or equal to 0.18 (800 degree ) Less than or equal to 0.22 (1000 degree ) |
Less than or equal to 0.88 (1000 degree ) Less than or equal to 0.28 (1200 degree ) |
|
/% |
Less than or equal to 1.5 (900 degree ,24H) |
Less than or equal to 1.5 (1000 degree ,24H) |
Less than or equal to 1.5 (1100 degree ,24H) |
Less than or equal to 1.5 (1200 degree ,24H) |
Less than or equal to 1.5 (1300 degree ,24H) |
|
|
600mmX400mmX(10-50)mm 900mmX600mmX(10-50)mm |
||||

