三氧化二铁含量           %                     ≥86               ISO 吸油量                      ml/100g           25~35           ISO787-5  325目筛余物             %                     ≤0.3              ISO787-7  水溶物                      %                     ≤0.3              ISO787-3  水分                         %                     ≤1.0              ISO787-2  pH 值                                               3~7               ISO787-9   容积密度                   g/cm3               0.4~0.6         ISnbsp; 比重                         g/cm3               4.1                ISnbsp; 着色力                      %                     95~        ISnbsp; 色差                                                 近似                ISO787-1

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25kg小包装