指标 Index
项目Item
|
特种粘土砖
Special fireclay brick
|
特种高铝砖
Special high alumina brick
|
Al2O3 , %
|
≥42
|
≥60
|
Fe2O3 ,%
|
≤1.8
|
≤1.2
|
K2O+Na2O
|
≤1.2
|
≤0.7
|
耐火度 Refractoriness,℃
|
≥1750
|
≥1790
|
体积密度 BD, g/cm3
|
≥2.25
|
≥2.55
|
显气孔率 AP, %
|
≤18
|
≤18
|
常温耐压强度 CCS, MPa
|
≥55
|
≥60
|
蠕变率
Greep(0.2MPa,1280℃×25h),%
|
≤0.4
|
≤0.4
|
线膨胀率
Thermal expansion(1000℃),%
|
≤0.3
|
≤0.4
|
重烧线变化率 PLC ,%
|
(1450℃×2h) ±0.1
|
(1500℃×3h) ±0.1
|
热震稳定性
TSR(1100℃水冷Water cooling),次cycle
|
≥40
|
≥35
|