Electronics Forum | Thu May 31 15:00:33 EDT 2012 | jdumont
I use Trace Labs and certainly recommend them. I actually just had this test done last week. Adhesion test per ASTM-3359 Method B. We also use Humiseal 1B73, which is similar to the 1B31 you use. Is your soldermask "active" enough for this coat
Electronics Forum | Wed Dec 04 14:19:30 EST 2013 | triciawmcgough
Nordson ASYMTEK engineers are familiar with the regular 1A33 but the gel is a relatively new product. Its purpose is to prevent the exact problem you are describing. Can you provide us a phone number so we can discuss in person? You can send the phon
Electronics Forum | Fri Aug 07 09:31:21 EDT 2015 | esoderberg
We use Humiseal T300 latex mask for over 17 years. No smell. That said we have been dispensing several ways. One is a Asymtek 718 in-line machine using a 1 gallon pressure pot and their DV7000 valve. It is an auger valve that has been highly successf
Electronics Forum | Mon Oct 03 21:02:23 EDT 2016 | rwd
I am doing some rework to my CCA. I then need to conformal coat the board. I'm using Humiseal 1A33 GEL and my jumper wires are teflon coated. I understand the chemical interaction between the 2 products. My question is "Is this an acceptable prac
Electronics Forum | Mon Aug 14 15:00:46 EDT 2017 | charliedci
We run a "no clean" soldering process, class II primarily, conformal coating using a Humiseal acrylic coating, applied by machine and by brush. We have seen very few coating issues in my 10+ years from contamination by body oils. We are not using glo
Electronics Forum | Wed Oct 17 02:04:39 EDT 2018 | robl
SCC3 has an operating temperature of 200C, as long as it is heat cured at 100C. https://www.electrolube.com/pdf/tds/044/DCA.pdf It's also a silicone so needs to be coated & cured away from anything you value. Otherwise there are plenty of PU's and
Electronics Forum | Mon Feb 18 18:13:30 EST 2019 | slthomas
Has anyone found a durable, indelible inspection stamp ink? We have an extreme case of smearing/obliteration because we have the boards dip coated (Humiseal 1B73). The manufacturer of our stamps is zero help, i.e., the best I could get out of them
Electronics Forum | Mon May 11 15:10:36 EDT 2020 | chapeshiel
Hello, Does anyone have any experience with the urethane conformal coating from MG Chemicals (4223F)? It has notably faster cure times than our current product from Humiseal which made it interesting. Of course if there are other suggestions that ha
Electronics Forum | Mon Jan 29 20:25:54 EST 2001 | davef
I know you're talking Humiseal, but this may help http://www.loctite.com/electronics/elec_tech_index.html Conformal Coatings (PDF Documents) "Conformal Coating Overview" (Lester D. Bennington, Senior Development Chemist and David Crossan, Manager
Electronics Forum | Wed Mar 24 15:04:05 EST 1999 | Greg Curler
I am looking into replacing another business division's Acrylic coating process with our Urethane coating process. Unfortunately, MIL-I-46068 doesn't differentiate AR/UR's performance, and the MFR data sheets don't match up at all (they each spec di
