Item

SK-30

SK-32

SK-34

SK-36

SK-38

AL2O3%(min)

30-35%

35-38%

38-42%

50-55%

65-70%

Fe2O3%(max)

3.5

3.2

3.1

2.5

2.3

Refractoriness

耐火度

≥1630℃

≥1660℃

≥1700℃

≥1730℃

≥1780℃

Refractoriness under load,0.2MPa,(℃) 荷软

≥1270

≥1350

≥1350

≥1380

≥1400

Apparent porosity(%) 气孔率

24

24

23

22

20

Bulk density(g/cm³) 体密

2.00-2.05

2.05-2.1

2.1-2.15

2.15-2.25

2.25-2.35

Cold crushing strength(MPa) 抗压

≥25

≥30

≥35

≥45

≥50

Thermal expansion at 1000℃(%)

热膨胀系统

≤0.6

≤0.55

≤0.55

≤0.4

≤0.4

Package：fumigation  pallet

包装：熏蒸托盘

Size: Can be customized according to customer requirements

尺寸：可根据客户要求定制