ZINC CHEMICAL COMPOSITION
U.S. -Mil-A-1800 1 K
   
Al- 0.10 - 0.50%
Cd- 0.025 - 0.07%
Fe- 0.005% max
Cu- 0.005% max
Pb- 0.006% max
Others- 0.10% max
Zn-  min 99.314%

ELECTROCHEMICAL PROPERTIES
Efficiency: 95%
Potential: -1.10V. Cu/CuSo.Ref.
Capacity: 780 Ampere hours per kg
Consumption: 11.2 kgs per Ampere year

ALUMINIUM CHEMICAL COMPOSITION
Al/Zn/In ALLOY

Zn- min. 4.00% - max. 5.00%
In- min. 0.015% - max. 0.020%
Si- min. 0.080% - max. 0.120%
Fe- max. 0.090%
Cu- max. 0.003%
Others - max. 0.100%
Al-  Remainder

ELECTROCHEMICAL PROPERTIES
Efficiency: 90%
Potential: -1.05V. Ag/AgCl.Ref.
Capacity: 2700 Ampere hours per kg
Consumption: 3.27 kgs per Ampere year

MAGNESIUM CHEMICAL COMPOSITION
HIGH PURITY ALLOY

Cu- 0.08%
Al- 5.3 - 6.7%
Si- 0.30% max
Fe- 0.005% max
Mn- 0.25% max
Ni- 0.003% max
Zn- 2.5 - 3.5%
Pb- 0.03%
Mg-  Remainder

ELECTROCHEMICAL PROPERTIES
Efficiency: 50%
Potential: -1.50V. Ag/AgCl.Ref.
Capacity: 1230 Ampere hours per kg