Electronics Forum | Wed Feb 26 23:59:48 EST 2003 | Mike Konrad
Grant, No-Clean paste + IPA = White Residue! #1: Stop using IPA #2: Switch to either a solvent-based de-fluxing chemical or an aqueous-based de-fluxing chemical. If you are using an ultrasonic cleaner for your boards as stated, do not use sapon
Electronics Forum | Sun Jan 26 09:32:55 EST 2003 | davef
But soon after cleaning and drying with IPA, we find a white residue formation. A: IPA will not nothing to clean your board. The white residue is exactly what you should expect. Search the fine SMTnet Archives for background. >How do we avoid th
Industry News | 2020-03-25 11:40:36.0
Austin American Technology today announced that its X30™ Vertical Format Batch Cleaning System is in stock and ready to ship. The stencil cleaner provides maximum chemistry flexibility to meet a wide variety of applications. Aqueous, saponification, semi-aqueous, alcohols and hybrid solvents can be used to remove flux residues, solder pastes, inks, adhesives and other residues from boards, stencils, or tooling used in the production process.
SMTnet Express, October 7, 2021, Subscribers: 26,641, Companies: 11,452, Users: 26,882 Cleaning Before Conformal Coating Cleaning PCBs before conformal coating removes potentially harmful and unknown contaminants from the board
| https://www.smtfactory.com/PCBA-Cleaning-Machine-PCB-Defluxing-For-Best-Coating-and-Bonding-Effect-id43566387.html
cleaning is a full and important production step. But even with the so-called no-clean manufacturing, it may be that these components must be cleaned to avoid malfunctions
