Export Technical Grade
(wet)

Export Technical Grade
(dry)

Items

index

index

Content(Cu)%

≥49-56

≥54.0

Cloride(Cl)%

≤0.07

≤0.07

Hydrochloric acid insoluble matter  %

≤0.1

≤0.1

Moisture %

5-7

—

Sodium(Na)%

≤0.25

≤0.25

Calcium(Ca)%

≤0.03

≤0.03

Chromium(Cr)%

≤0.003

≤0.003

Ferrum(Fe)%

≤0.03

≤0.03

Arsenic(As)%

≤0.002

≤0.002

Lead(Pb)%

≤0.003

≤0.003

Cadmium(Cd)%

≤0.006

≤0.006