|
Classification |
Clay castable refractories |
Cement castable refractories |
The inorganic refractory castable |
|
Grade |
High alumina cement castable refractories |
Portland cement refractory castable |
Phosphate bonded refractory castables |
Water glass refractory castable |
|
Guideline |
NL2 |
NL1 |
NN |
G3L |
G2L |
G2N |
G1L |
G1N2 |
G1N1 |
GN |
LL2 |
LL1 |
LN |
BN |
|
Al2O3% (no less than) refractory C (less than) change after burning line, testtemperature of not more than 1% DEG 3H. |
65
1730
1450 |
55
1710
1350 |
45
1690
1300 |
85
1790
1500 |
60
1690
1400 |
42
1650
1350 |
6 0
1690
1400 |
42
1650
1350 |
3 0
1610
1300 |
30
/
1200 |
75
1770
1450 |
60
1730
1450 |
45
1710
1450 |
40
/
1000 |
|
The temperature of 105-110 DEG C dried |
Compressive strength Mpa (no less than) |
3 |
3 |
3 |
25 |
20 |
20 |
10 |
10 |
10 |
20 |
15 |
15 |
15 |
20 |
|
The flexural strength of Mpa (no less than) |
0.5 |
0.5 |
0.5 |
5 |
4 |
4 |
3.5 |
3.5 |
3.5 |
/ |
3.5 |
3.5 |
3.5 |
/ |
|
Maximum use temperature ℃ |
1450 |
1350 |
1300 |
1650 |
1400 |
1350 |
1400 |
1350 |
1300 |
1200 |
1600 |
1500 |
1450 |
1000 |
