ПОССу4-4 땜납

ПОССу4-4
POCCu4-4
POSSu4-4
ПSnPbSb4-4

ГОСТ В51 ГОСТ 21930-76, ГОСТ 21931-76, ГОСТ 28873-90

S Ni Fe Cu As Al Zn Sn Sb Pb Bi
ГОСТ 21930-76 ≤0.02 ≤0.08 ≤0.02 ≤0.1 ≤0.05 ≤0.002 ≤0.002 3-4 3-4 ≤0.2

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