【 JJY 】 Common Precautions for the storage and use of solder paste

SMTDuring the production and processing of the processing plantSolder pasteIt is one of the important raw materials for production, and its main use is to connect components andPCBWhen soldering together, the characteristics of the solder paste and the content of alloy components in its composition, the particle size of the alloy powder, the particle shape, and the temperature are all related. inSMTDuring the use of solder paste in processing plants, the temperature in the workshop is usually controlled at23℃±3℃The relative humidity isRH45%~ 70%And it is required to have a dust-free environment and no corrosive gases in the air. Below, Shenzhen JJY Solder Paste Manufacturer will briefly introduce to you the storage and usage precautions of common solder pastes:

1Unused solder paste needs to be stored in2℃-10℃Under such conditions.

2Solder paste needs to be used at least in advance4hTake it out of the refrigerator and let it warm up at room temperature. Only open the container lid when the solder paste reaches room temperature to prevent water vapor condensation.

3InSMTBefore using solder paste in surface mount technology (SMT) processing, it is necessary to stir the solder paste evenly with a stainless steel stirring knife or an automatic mixer.

4After taking out the solder paste, the container lid should be tightly closed to prevent the remaining solder paste from being contaminated.

5If the interval between solder paste printing exceeds1hThe solder paste needs to be wiped off the steel mesh.

6,SMTIn the production and processing stage of the processing plant, after the surface mount technology (SMT) is completed, it needs to be processed again4hReflow soldering is completed inside.

Shenzhen JJY Industrial Technology Co., Ltd. is located in Longhua, Shenzhen. It mainly produces and operates lead-free solder paste, lead-free high-temperature solder paste, lead-free medium-temperature solder paste, lead-free low-temperature solder paste, etc. If you have any needs, please feel free to contact us.