... 7Zinc salt PPM≤500≤500≤500Packing:25kg/bag or 20kg/bag, Moistureproof pager bag,plastic paper bag and wovenbag three-ply or as ... 10≤10≤10PH value8—97—85—7Packing:20kg/bag, Moistureproof pager bag,plastic paper bag and wovenbag three-ply or as customers' requirements ... ≤16≤8hardness %909090Particle size10—3010—3010—30Packing:25kg/bag,Plastic paper bag and wovenbag two-ply or as customers' requirements. ...