Item
|
Index
|
||
SK-30
|
SK-32
|
SK-34
|
|
AL2O3,%,
|
≥30
|
≥38
|
≥42
|
Fe2O3,%,
|
≤2.5
|
≤2.5
|
≤2.5
|
Density, g/cm3
|
≥2.0
|
≥2.15
|
≥2.2
|
Refractoriness,℃,
|
≥1700
|
≥1720
|
≥1740
|
0.2Mpa Refractoriness under load,℃
|
≥1300
|
≥1320
|
≥1350
|
Liner change on reheating (1400 ℃, 2h),%
|
+0.1~-0.4
|
+0.1~-0.4
|
+0.1~-0.4
|
App.Porosity,%
|
≤24
|
≤24
|
≤24
|
C.C.S.,Mpa
|
≥25
|
≥30
|
≥35
|