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我公司生产的复合肥专用膨润土,含有丰富的钙、镁、磷、钾、锰、铁等多种微量元素,具有的粘着力和较强的吸附能力,以及造粒速度快,颗粒均匀,透亮,表面光滑等优点,用其制造的复合肥,施在地里易膨胀溶解,能有效改良土壤结构,增强土壤保水、保肥能力,提高肥料的利用率,有利于植物生长,是复合肥造粒的最佳原料。
复合肥用膨闰土性能指标
级别\性能 | 白度 | 胶质价 | 膨胀倍数 | 水份 | PH值 | 备注 |
一级 | ≥95 | 55 | ≥12 | <10% | 6.5-7.5 |
|
二级 | ≥90 | 50 | ≥10 | <10% | 6.5-7.5 | |
三级 | ≥85 | 45 | ≥8 | <10% | 6.5-7.5 |