Electronics Forum | Thu Feb 15 10:26:26 EST 2018 | paulocabaca60
Correct, we must do it. Many thanks for your help. Regards Paulo
Electronics Forum | Tue Apr 05 12:31:05 EDT 2022 | proceng1
A while back, we had a yellow coating showing up on some solder joints at Selective Solder (LEAD alloy). I contacted the company for our machine and he looked into it. One change we had made not too long before is we switched from Superior 75 to Sup
Electronics Forum | Mon Oct 02 14:59:42 EDT 2023 | joeljacobo
Thank you!
Electronics Forum | Mon Oct 02 15:01:14 EDT 2023 | joeljacobo
Thank you Dave, I will check it out
Electronics Forum | Sun Jul 26 05:43:21 EDT 1998 | Amr Sokkary
Dear sirs, please help me to fing a company whicjh produces white or yellow adhesive UV curing glue for SMT components assembly ,i need names and contact fones and faxes for those company ,i need any company but not Alphametal or heraues thanks a
Electronics Forum | Mon Jul 27 21:05:36 EDT 1998 | Dave F
| Dear sirs, | please help me to fing a company whicjh produces white or yellow adhesive UV curing glue for SMT components assembly ,i need names and contact fones and faxes for those company ,i need any company but not Alphametal or heraues | th
Electronics Forum | Mon Jul 27 21:05:26 EDT 1998 | Dave F
| Dear sirs, | please help me to fing a company whicjh produces white or yellow adhesive UV curing glue for SMT components assembly ,i need names and contact fones and faxes for those company ,i need any company but not Alphametal or heraues | th
Electronics Forum | Wed Feb 07 07:55:45 EST 2018 | paulocabaca60
Hi Recently have several components inside the machine covered with this yellow dust. It is visible that some components are almost obstructed after a week working. We never seen this kind of dirt inside the machines, and we don’t know the origin o
Electronics Forum | Mon Jan 21 11:41:39 EST 2019 | SMTA-Tony
Lead free HASL coatings can be susceptible to yellowing during reflow due to oxidation of the tin in the coating. Some HASL solder suppliers use anti-oxidant additives in the solder to limit or prevent yellowing of the coating. You may want to ask
Electronics Forum | Tue Apr 05 12:32:16 EDT 2022 | proceng1
Here are the nozzles that soaked, but didn't get tinned. Since the solder joints also had yellow, I am wondering if the contamination is lingering in the solder pot, and getting on the joints. The Superior is never applied to a board. In the board
