亜鉛C3

Ц3
Ts3
Ts3
Zn3

ГОСТ В51 ГОСТ 3640-94

Fe Cu As Zn Sn Pb Cd
ГОСТ 3640-94 ≤0.1 ≤0.05 ≤0.01 ≥97.5 ≤0.005 ≤2 ≤0.2