Electronics Forum | Mon Nov 12 09:52:44 EST 2001 | dennis
Hello! I need some help! Does anyone know marking pen that is water soluble? I want to wash off marker in a cleaning machine using only hot water. I tried many different type of water soluble marking pen, but it did not come off easily.
Electronics Forum | Wed Nov 21 13:37:53 EST 2001 | Scott
Crayola makes a water soluable marker. (Walmart)
Electronics Forum | Tue Oct 22 14:57:18 EDT 2002 | Jim M.
I use a water soluble flux to solder an LCD into gold plated through holes of a .031 circuit card. Problem is the current water soluble flux (850-33) is not made anymore (the drop in replacement has a different formuala and does not work). The main i
Electronics Forum | Wed Oct 13 12:07:43 EDT 1999 | mikeh
Hi, I am currently using a peelable mask prior to wave soldering and have started exploring water soluble/washable masks. The mask will be used with water based and alcohol based flux. Are there any compatability issues to concider and how will this
Electronics Forum | Sun Sep 26 05:27:35 EDT 1999 | Edmund
i had a problem here, during the wave soldering process, we apply a water soluble mask on the gold finger to protect it from contamination. But after washing, there is still some mask left on the gold finger. Can anyone pls advise is there any parame
Electronics Forum | Thu Sep 02 08:57:29 EDT 1999 | Scott
I am using a 18 mil and below water soluble solder paste (89.5-25-80). I have never used this type of paste. The PCB has a fine pitch component of which I cannot prevent bridging. The paste coverage on the pad looks like it is slumping. It is not a n
Electronics Forum | Wed Sep 08 11:04:41 EDT 1999 | Timothy O'Neill
| I am using a 18 mil and below water soluble solder paste (89.5-25-80). I have never used this type of paste. The PCB has a fine pitch component of which I cannot prevent bridging. The paste coverage on the pad looks like it is slumping. It is not a
Electronics Forum | Sun Sep 26 11:54:06 EDT 1999 | Earl Moon
| i had a problem here, during the wave soldering process, we apply a water soluble mask on the gold finger to protect it from contamination. But after washing, there is still some mask left on the gold finger. | Can anyone pls advise is there any pa
Electronics Forum | Mon Nov 12 16:56:16 EST 2001 | mparker
did you try DRY ERASE markers? ( the ones used for white boards). It's just a thought, I'm not sure if that will work. Doesn't hurt to try.
Electronics Forum | Mon Nov 12 19:37:38 EST 2001 | dennis
Thanks! dry erase does not come off easily with water. I have to use brush to remove marks. Thanks for your input anyway!