項(xiàng)目 |
指標(biāo) |
||||||||
LQZ99-1.4 |
LQZ99-1.6 |
LQZ99-1.8 |
LQZ95-1.4 |
LQZ95-1.6 |
LQZ95-1.8 |
LQZ90-1.4 |
LQZ90-1.6 |
LQZ90-1.8 |
|
Al2O3 % |
≥99 |
≥95 |
≥90 |
||||||
SiO2 % |
≤0.3 |
-- |
-- |
||||||
Fe2O3 % |
≤0.2 |
≤0.2 |
≤0.2 |
||||||
體積密度 g/cm3 |
1.3~1.5 |
1.5~1.7 |
1.7~1.9 |
1.3~1.5 |
1.5~1.7 |
1.7~1.9 |
1.3~1.5 |
1.5~1.7 |
1.7~1.9 |
常溫耐壓強(qiáng)度MPa |
≥6 |
≥10 |
≥12 |
≥8 |
≥12 |
≥16 |
≥10 |
≥14 |
≥18 |
導(dǎo)熱系數(shù) W/(m·K) 熱面1000℃ |
≤0.9 |
≤1.1 |
≤1.2 |
≤0.9 |
≤1.1 |
≤1.2 |
≤0.9 |
≤1.1 |
≤1.2 |
加熱永久線變化% 1600℃×3h |
±0.3 |
±0.3 |
±0.3 |