Grade

Chemical compositions

Mg

(% min)

Impurities (% max)

Fe

Si

Ni

Cu

Al

Mn

Cl

Ti

Pb

Zn

others

Mg 9998

99.98

0.002

0.003

0.0005

0.0005

0.004

0.002

0.002

0.001

0.001

—

0.005

Mg 9995

99.95

0.003

0.01

0.001

0.002

0.01

0.01

0.003

—

—

0.01

0.005 

Mg 9990

99.90

0.04

0.02

0.001

0.004

0.02

0.03

0.005

—

—

0.01