Electronics Forum | Tue Jan 31 13:41:41 EST 2017 | tombstonesmt
Dow Corning 3-1953 is widely used when it comes to silicone based conformal coatings. Low odor, medium viscosity, can be atomized or needle dispensed. We have our operators fill syringe cartridges for any minor touch up.
Electronics Forum | Fri Feb 03 15:39:01 EST 2017 | ttheis
Thanks, we'll try this too. We aquired an asymtek millenium for dispensing selectively. It is setup for epoxies with a needle dispense head so we'll try to make it all work for us. One-part silicones seem to be the popular solution.
Electronics Forum | Mon Feb 06 16:15:08 EST 2017 | ttheis
Great, that is encouraging. I did order a few needle sizes from McMaster to try out when we get the machine setup. What do you recommend for clean up the equipment?
Electronics Forum | Thu Jan 10 22:55:24 EST 2002 | davef
You are sure taking you sweet time getting this thing running. You're getting too much beach time. NOZZLE SELECTION Typically, the only rule of thumb that applies to choosing the correct nozzle ID is that it should be one half of the required dot d
Electronics Forum | Wed Jul 19 20:56:53 EDT 2000 | Dave F
hey, what the relationship between needle gauge and inside diameter
Electronics Forum | Wed Feb 01 12:24:48 EST 2017 | ttheis
Thanks, I'll give that a try!
Electronics Forum | Thu Nov 30 13:36:27 EST 2006 | realchunks
I think you answered your own question. Try a different lot or mfger of this part. You can prolly get a sample sent over nite and hand place them to verify. Trying to find out why these resistors "explode" when touched with a needle is like findin
Electronics Forum | Fri Jun 04 16:30:10 EDT 2010 | jdm2008
I am running a cemelot 5000 and I am having trouble with the solder clogging up the needle. When the solder is removed it almost appears if it has reflowed. I am using a 22 guage needle, and the problem occurs with both type 3 and type 5 solder pas
Electronics Forum | Sat Jun 05 14:20:10 EDT 2010 | davef
It's a common problem. Try using a different needle diameter. Paste type||Suggested needle size II||21 or larger III||23 or larger IV||25 or larger V||27 or larger VI||30 or larger Additionally, improper clearance between the auger pump screw and t
Electronics Forum | Tue Jan 31 12:19:29 EST 2017 | ttheis
We're looking to add conformal coating to some of our pcb's which range from 2x2" to around 6x6". I would like to use a coating material that is not nasty smelling requiring ventilation or filtration if possible. Are there conformal materials that ar
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