1. Must be stored at 5-10°C.

2. It is required to take out the solder paste from the refrigerator one day before use (at least 2 hours in advance), and open the container lid only after the solder paste reaches room temperature to prevent water vapor from condensing. (Return to room temperature in 15 minutes when using a solder paste mixer).

3. Stir the solder paste evenly with a stainless steel stirring rod before use.

4. After adding the solder paste, close the container lid immediately.

5. No-clean solder paste shall not be recycled. If the printing interval exceeds 1 hour, the solder paste must be wiped off the SMT laser stencil, and the solder paste must be stored in the container used on the same day. .

6. Try to complete reflow soldering within 4 hours after printing.

7. After the no-clean solder paste is repaired, it cannot be scrubbed with alcohol.

8. Products that need to be cleaned should be cleaned on the same day after reflow soldering.

9. When printing solder paste and patch glue, it is required to take the edge of the PCB or bring a finger cot to prevent contamination of the PCB.