| KA401 | KA402 | KA403 | KA404 | KA405 | |
外观 | 白色颗粒,球状,无臭,无毒,不溶于水 | |||||
晶相 | x-p | x-p | y | y | x-p | |
化学成分 | Al2O3 % | ≥93 | ≥93 | ≥93 | ≥93 | ≥90 |
Na2O % | ≤0.3 | ≤0.3 | ≤0.5 | 0.15-0.3 | ≤0.3 | |
烧失量 | % | 6-8 | 6-8 | ≤8 | ≤5 | 6-8 |
推积密度 | g/ml | 0.68-0.72 | 0.70-0.75 | 0.65-0.75 | 0.70-0.80 | 0.68-0.72 |
比表面积 | m2/g | ≥300 | ≥300 | 250-280 | ≥280 | ≥350 |
孔容 | ml/g | 0.30-0.45 | 0.30-0.42 | 0.40-0.46 | 0.40 | 0.30-0.50 |
静态吸附量 (RH=60%) | % | 吸水率 17-19 | 吸氟率 0.12 | 吸水率 50 | 吸水率 50-70 | 吸水率 17-19 |
活性 | % | | | 56-62 | | |
磨耗量 | % | ≤1.0 | ≤1.0 | ≤1.0 | ≤0.4 | ≤0.8 |
抗压强度 (N/颗) | ¢0.4-1.2 | | ≥30 | | | |
¢1-2 | ≥40 | ≥40 | | | | |
¢2-3 | ≥60 | ≥60 | | | | |
¢3-5 | ≥100 | | ≥100 | ≥100 | ≥100 | |
¢4-6 | ≥120 | | ≥130 | ≥120 | ≥110 | |
¢5-7 | ≥160 | | | | | |
¢6-8 | ≥180 | | | | |