DSK
Brand |
DSK |
DSK-1 |
|
Chemical Composition (%) |
SiO 2 min |
94 |
94 |
Fe 2 O 3 max |
1.7 |
1.5 |
|
Al 2 O 3 max |
- |
1.5 |
|
Na 2 O+K 2 O Max |
- |
0.37 |
|
CaO max |
- |
2.5 |
|
Apparent Porosity (%) max |
23 |
18~22 |
|
Cold Crushing Strength (N / MM 2 ) min |
30 |
30 |
|
True Density (g/m 3 ) max |
2.37 |
2.35 |
|
Refractoriness Under Load at ℃ , min |
1640 |
1640 |
|
Permanent Linear Change at 1450 ℃ min |
0.4 |
0.2 |
|
- |
6 |
||