1) Correct selection and use of solder paste.

2) Follow the FIFO principle during use.

3), warm up at room temperature for four hours before use.

4) Stir manually or use a blender for 3 minutes.

5) Use one can / bottle of solder paste at a time.

6), the solder paste should be kept sealed when not in use.

7), prevent the "hot dog effect (the solder paste rolling diameter is too large 1.5inch) when printing.