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Brief introduction of the solder paste

The solder is very important for reflow soldering equipment, that can be divided into two types: lead and lead-free solder paste.

1. Lead solder paste.

We usually refer to a solder paste is 63/37, in which the content of tin is 63%, lead is 37% lead content. Its melting point is 183 ℃.

2. Lead-free solder paste.:

Currently the most used in the market is tin-silver-copper lead-free solder paste , and its contents is 96.5/3.0/0.5. Its melting point is 217 ℃.

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