method and means for cleaning printed schaltungsplatten and / or printed verdrahtungsplatten, as well as the check of loetmasken.

摘要

Methods and compositions are provided for the removal of rosin soldering flux and adhesive tape residues from printed circuit and/or wiring boards, and for testing the quality of curing of U.V.-cured soldermask on such boards. The compositions of the invention contain terpene compounds, preferably in combination with terpene emulsifying surfactants to facilitate removal by rinsing in water.