Electronics Forum: flux residue (Page 1 of 115)

flux residue after HAL

Electronics Forum | Mon Jan 08 10:29:15 EST 2007 | jaime39

The water soluble flux residue is staying there because the rinsing temperature it may be too low. The flux needs about 130-140 degrees celcius to become soft. If you are using water soluble flux, as per IPC A 610 standards it needs to be remove comp

flux residue after HAL

Electronics Forum | Tue Dec 26 20:11:47 EST 2006 | davef

What is the make-up of the residue? Is finding this residue new to your standard operation? What has changed?

flux residue after HAL

Electronics Forum | Fri Dec 29 01:25:32 EST 2006 | yusuf

About one year we have that problem with some of pcbs. Our customers told us about that. Because they can't mounting components on those pcb reason of flux residue. As you know flux not conductive chemical. We didn't change anything before having tha

flux residue after HAL

Electronics Forum | Wed Jan 17 10:01:49 EST 2007 | lyetc

Hi...have you try ultrasonic cleaning before rinsing?

flux residue problem

Electronics Forum | Thu Sep 03 11:20:41 EDT 2009 | thunderdog5000

I have a customer that is having a flux residue problem after wave soldering. Flux is roaring through the board to the top side and leaving a residue. This is only happening on the flat stamped leads. The round leads are fine. They are using Supe

flux residue after HAL

Electronics Forum | Tue Dec 26 10:54:37 EST 2006 | yusufgomec

We use hot air leveling (HAL) process in pcb production. HAL process is 3 steps. �n 1. step flux. 2. step is HAL. And 3. step is rinsing. As you know there is mustn't any flux after rinsing operation. Our flux chemical is water soluable. But there ar

flux residue problem

Electronics Forum | Sun Sep 27 23:10:19 EDT 2009 | hallwayit

Hi, Walter, Why don't you try no-clean flux? We ever met the same condition, later, we changed to no-clean flux solved the problem.

No clean flux residue

Electronics Forum | Fri Jun 01 09:50:01 EDT 2001 | lumidor

Our PCBs manufactured with no clean flux have a waxy film on the board...is this normal? Our contract manufacturer recently switched to no clean from water wash. Thanks Carl

flux residue after HAL

Electronics Forum | Mon Jan 01 18:11:39 EST 2007 | greg york

Hi Happy New Year HASL fluxes Are very conductive so best advise is get it all off. thanks greg

flux residue after HAL

Electronics Forum | Mon Jan 15 11:43:13 EST 2007 | fredericksr

celsius or fahrenheit? I am not entirely familiar with the deeper details of HASL, but 130F-140F is adequate to clean many of the water-soluble fluxes used for component soldering.

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