Crude copper chemical composition%

grade

Brand

Cu is not less than

Impurity content is not greater than

As

Sb

Bi

Pb

Number one

Cu 99.30C

99.30

0.06

0.05

0.01

0.08

Number two

Cu 99.00C

99.00

0.12

0.10

0.02

0.12

Number three

Cu 97.50C

97.50

0.34

0.29

0.07

0.40