high quality rosin core smokeless lead free solder wire

Alloy composition Sn/Pb
Specific gravity
Liquid temperture
Temperature	Application
63/37
8.39
183
220~240	Computers, precision instruments, meters, TV, micro technology, coating metals
60/40
8.65
190	230~250
55/45
8.75
200
240~260	Calculators, tape recorders, telephones, quartz and other common electronic and electrical products
50/50
8.85
216	255~275
45/55
8.97
227	270~290
40/60
9.30
238
295~310	General circuit boards, toys, lamps, crafts, water tanks, plumbing solder

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