| ≥1 piece |
Content 99.2%-101.0%,
Chloride (as Cl )% 0.007max
Sulfid (as S)% 0.0002max
Sulfate % 0.007max
No volatile% 0.008max
Fe ,% 0.002max
Arsenic (As)% 0.0002max
Heavy metal (as Pb)% 0.0005max
Packing with 25 kg woven plastic bags.