求购铝矾土

铝含量50%左右 长单 材质单: AL2O3: 48.50PCT TSIO2: 12.56PCT RSIO2: 6.8PCT FE2O3: 12.78pct FREE MOISTURE: 10pct L.O.I: 28pct SIZE: (2mm-75mm)90pct TYPE: TRIHYDRATE BAUXITE

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