| 摘要 |
PROBLEM TO BE SOLVED: To provide a flux for soldering which enables flux residues to be removed by water washing even when a soldering temperature is high.SOLUTION: A flux for soldering contains (A) an ester compound of polyglycerol and 8-12C fatty acid, (B) 12-18C fatty acid, (C) solvent with a boiling point of 120°C or more. |
