スズO4

О4
O4
O4
Sn4

ГОСТ В51 ГОСТ 860-75

S Fe Cu As Sn Sb Pb Bi
ГОСТ 860-75 ≤0.02 ≤0.02 ≤0.1 ≤0.05 ≥96.43 ≤0.3 ≤3 ≤0.1