骨料88(1-3)
項目 | Al2O3 | Fe2O3 | K2O+Na2O | CaO+MgO | 體密 | 吸水率 | |
倒焰骨料 | GL-90 | ≥89.5 | ≤1.5 | ≤0.4 | ≤0.4 | ≥3.40 | ≤2.5 |
GL-88 | ≥87.5 | ≤1.6 | ≤0.4 | ≤0.4 | ≥3.30 | ≤3.0 | |
GL-85 | ≥85.0 | ≤2.0 | ≤0.4 | ≤0.4 | ≥3.25 | ≤3.0 | |
GL-80 | ≥80.0 | ≤2.0 | ≤0.4 | ≤0.4 | ≥3.00 | ≤5.0 |
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