塑料异鞍环
指标名称 | 单位 | 技术要求 | ||||
Al2O3 | % | ≥92 | ≥92 | ≥92 | ≥92 | ≥92 |
SiO2 | % | ≤0.10 | ≤0.10 | ≤0.10 | ≤0.10 | ≤0.10 |
Fe2O3 | % | ≤0.04 | ≤0.04 | ≤0.04 | ≤0.04 | ≤0.04 |
Na2O | % | ≤0.45 | ≤0.45 | ≤0.45 | ≤0.45 | ≤0.45 |
灼烧减量 | % | ≤8.0 | ≤8.0 | ≤8.0 | ≤8.0 | ≤8.0 |
松装密度 | g/ml | ≤0.75 | ≤0.75 | ≤0.75 | ≤0.75 | ≤0.75 |
比表面积 | m2/g | ≥260 | ≥260 | ≥280 | ≥280 | ≥280 |
孔容 | ml/g | 0.38-0.42 | 0.38-0.42 | 0.38-0.42 | 0.38-0.42 | 0.38-0.42 |
静态吸附容量 | % | 19 | 19 | 19 | 19 | 19 |
吸水率 | % | ≥50 | ≥50 | ≥50 | ≥50 | ≥50 |
晶相 | x-pAL2O3 | x-pAL2O3 | x-pAL2O3 | x-pAL2O3 | x-pAL2O3 | |
破碎强度 | N/粒 | ≥50 (1-2)mm | ≥80 (2-3)mm | ≥140 (3-5)mm | ≥160 (4-6)mm | ≥180 (5-7)mm |
