Solder wire, Dnipropetrovsk region.

="
Solder wire is used for soldering and tinning of electrical and radio equipment, printed circuit boards, making connections where overheating is not allowed. Soldering is the process of joining metals using an auxiliary composition - solder. This is an alloy that has a lower melting point than the parts being joined. In the process, the connected parts only heat up, but do not start to melt. Only solder is melted. It turns into a liquid state, spreads and fills the capillaries of the connected parts. As a result, the connection is reliable, although less durable than welding. In the case of a quarrel, we get, in fact, a monolith. When soldering, it is impossible to achieve such an effect.
"