Electronics Forum | Thu Apr 21 11:43:03 EDT 2005 | davef
We understand the problem of trying to coat over RTV. We have seen the same problem with acrylic and urethane coatings not wanting to stick to RTV. Some acrylics seem to be worse than urethane. Since this is a new product, may be you could pot your
Electronics Forum | Mon Sep 28 12:25:13 EDT 2009 | vleasher
Could someone point me in the direction of some good manufactures of batch style curing ovens? We have a new project requiring Humiseal 2A64 and we do not have an oven for the 3hrs @ 170F cure. Thanks in advance!
Electronics Forum | Mon Sep 28 15:36:29 EDT 2009 | davef
While you're waiting for others to reply, search the fine SMTnet Archives to find threads like: http://www.smtnet.com/Forums/Index.cfm?CFApp=1&Message_ID=56260
Electronics Forum | Mon Jul 02 12:01:28 EDT 2012 | patrickbruneel
This material contains acetone in 30% plus range and toluene with this solvent combination ink is not an option. You will have to get a CC that doesn’t contain acetone as solvent.
Electronics Forum | Thu Jul 05 09:43:32 EDT 2012 | duso02
What is the specific make/model of the SR? Being in an aerosol, I'm sure they thin it down quite a bit so that thinner is what is attacking your ink.
Electronics Forum | Wed Jul 18 08:44:20 EDT 2012 | leeg
We use the Edding pen as stated but then apply a quick set epoxy resin over the top and allow to dry, this does work.
Electronics Forum | Wed Jul 18 08:48:26 EDT 2012 | mccabekev
How are you applying the expoxy resin? Why use the expensive pen edding aerospace pen under the epoxy when a cheaper pen will do?
Electronics Forum | Tue Feb 19 13:31:28 EST 2019 | SMTA-Joe
I have seen this issue with manufacturer markings stamped on PCBs. The ink just melts away as soon as CC touches it.
Electronics Forum | Sun Dec 26 23:48:01 EST 2010 | raghu
Dear Sir, We are using 1B31 conformal caoting of 48 sec viscosity in Zahn #1 cup, by machine(PVA354) application with Tank air pressure 2.3 psi, automising air pressure 1 psi. 7 days after application we are observing peeling off problem.. And n
Electronics Forum | Mon Jan 03 00:30:30 EST 2011 | raghu
Contact your distributor for the coating or > Humiseal directly. Humiseal has had a recent > issue with batches of 1B31. The specific problem > is lack of adhesion, which is what you have as > well. You need to find out if your batch # is one >
