In circuit board manufacturers, solder paste is a relatively sensitive solder material, pollution, oxidation, moisture absorption will cause different degrees of deterioration, but circuit board manufacturers are often used, so FASTPCBA company is welding There are strict control requirements for the preservation and use of the paste.
Solder paste preservation method: The solder paste should be stored in the refrigerator and stored on the cover. The time of the insertion should be recorded on the cover. If the validity period is exceeded, the temperature in the refrigerator should be kept at 5~10 °C. Check the temperature inside the refrigerator every day. And record the actual temperature. This is the best way to store solder paste.