... , slightly acidic, insoluble sundry less than 0.004%.The reagent can only be used for ore dressing, general dosage range is 200 - 600g ... also useful to easy beneficiation copper oxide ore. The reagent can be easily used, there is no need to change original mill ... % recovery rate by using our floatation reagent, 10% lead zinc can be enriched abt. 70% recovery rate. Our floatation reagents are widely ...