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Soft solder

Soft soldering is characterized by a working temperature below 450 degrees. The solder is typically composed of an alloy with a low melting point and is a malleable material. It is commonly used in various applications such as electronics, plumbing, jewelry making, and other crafts. It is particularly advantageous for joining delicate or heat-sensitive materials.

Product nameCompositionMelting range (°C)ISO 17672Product info
Ag
Sn
Pb
1,5%
5%
93,5%
Ag
Sn
Pb
1,5%
5%
93,5%
296Alloy No. 191
Ag
Sn
Pb
2%
62%
36%
Ag
Sn
Pb
2%
62%
36%
178-190Alloy No. 171

A25

Ag
Pb
2,5%
97,5%
Ag
Pb
2,5%
97,5%
304Alloy No. 181
Ag
Sn
2,5%
97,5%
Ag
Sn
2,5%
97,5%
221-225
Ag
Sn
3%
97%
Ag
Sn
3%
97%
221-225
Ag
Sn
Cu
3%
96,5%
0,5%
Ag
Sn
Cu
3%
96,5%
0,5%
217,5-221,5
Ag
Sn
3,5%
96,5%
Ag
Sn
3,5%
96,5%
221

P5

Ag
Sn
5%
95%
Ag
Sn
5%
95%
221-240Alloy No. 704
Ag
Cu
Sn
10%
3%
87%
Ag
Cu
Sn
10%
3%
87%
214-275