High temperature activity silver tin lead Sn63Pb37 solder wire per kg

Alloy composition Sn/Pb
Liquid temperture
Temperature	Application
63/37
183
220~240	Computers, precision instruments, meters, TV, micro technology, coating metals
60/40
190	230~250
55/45
200
240~260	Calculators, tape recorders, telephones, quartz and other common electronic and electrical products
50/50
216	255~275
45/55
227	270~290
40/60
238
295~310	General circuit boards, toys, lamps, crafts, water tanks, plumbing solder
35/65
247	290-330
30/70
255	295-335
25/75
266	300-350
20/80
280	above 350

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