项 目 Item
|
单位
|
N-1
|
N-2a
|
LZ-75
|
LZ-65
|
LZ-55
|
|
Al2O3
|
%
|
≥42
|
≥42
|
≥75
|
≥65
|
≥55
|
|
Fe2O3
|
%
|
||||||
显气孔率 ,AP
|
%
|
||||||
常温耐压强度,CCS
|
Mpa
|
≥30
|
≥25
|
≥53.9
|
≥49
|
≥44.1
|
|
0.2 Mpa荷重软化开始温度,RUL
|
℃
|
≥1400
|
≥1350
|
≥1520
|
≥1500
|
≥1470
|
|
重烧线变化率PLC
|
1500℃×2h
|
%
|
0.1~-0.4
|
0.1~-0.4
|
0.1~-0.4
|
||
1400℃×2h
|
0.1~-0.4
|
0.1~-0.5
|
|||||
耐火度
Refractoriness
|
℃
|
≥1750
|
≥1730
|
≥1790
|
≥1790
|
≥1770
|