项 目
|
指 标
|
||
SDS-95-1
|
SDS-95-2
|
SDS-95-3
|
|
SiO2,% ≥
|
95
|
95
|
95
|
Al2O3,% ≤
|
1
|
1
|
1
|
CaO,% ≤
|
3
|
3
|
3
|
Fe2O3,% ≤
|
1
|
1
|
1
|
耐火度,℃ ≥
|
1710
|
1710
|
1710
|
显气孔率,% ≤
|
20
|
21
|
23
|
体积 ≥
|
1.95
|
1.9
|
1.85
|
真密度,g/cm3 ≤
|
2.33
|
2.33
|
2.33
|
常温耐压强度,MPa ≥
|
50
|
45
|
40
|
0.2MPa荷重软化开始温度,℃ ≥
|
1680
|
1670
|
1670
|
蠕变率,%(0.2MPa,1500℃,20-50h) ≤
|
0.2
|
0.2
|
0.2
|
重烧线变化率,%(1500℃×3h)
|
±0.2
|
±0.2
|
±0.2
|
导热系数,W/m*k(1000℃) ≥
|
12
|
12
|
12
|
残余石英含量,% ≤
|
1
|
1
|
1
|