Electronics Forum: coating materials (Page 1 of 42)

UV cure conformal coating material

Electronics Forum | Wed Dec 09 08:45:31 EST 2009 | orlando

Does anybody run conformal coating process using UV cure varnish? We have a long experience on solvented urethane coating material but switching to solventless is unknown for us. Could you recommand vendors for UV curing oven? Thanks

UV cure conformal coating material

Electronics Forum | Mon Dec 21 11:31:19 EST 2009 | lynn_norman

Fusion makes UV ovens. Most conformal coating suppliers have a UV line. Great for quick cures, but the ovens interfered with our automated guided vehicles, so we had to abandon the UV.

UV cure conformal coating material

Electronics Forum | Thu Dec 10 15:33:55 EST 2009 | duso02

We use one quite often. Our machine is a Uvitron Conveyor 40 as we are a large coating house and this allows us to process many boards. Dymax also maufactures and sells machines as well. Humiseal and Dymax both manufacture UV coatings. Emerson Cuming

Conformal coat material dispensed through epoxy needle?

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

Conformal coat material dispensed through epoxy needle?

Electronics Forum | Wed Feb 01 12:24:48 EST 2017 | ttheis

Thanks, I'll give that a try!

Conformal coat material dispensed through epoxy needle?

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.

Conformal coat material dispensed through epoxy needle?

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.

Conformal coat material dispensed through epoxy needle?

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?

Conformal coat material dispensed through epoxy needle?

Electronics Forum | Wed Feb 22 08:46:14 EST 2017 | westshoredesign

https://webaps.ellsworth.com/edl/Actions/GetLibraryFile.aspx?document=2922〈uage=en

Conformal coat material dispensed through epoxy needle?

Electronics Forum | Wed Feb 22 09:17:08 EST 2017 | ttheis

Great; which do you recommend, 10, 20 or 30? Seems to me the 10 is most concentrated and 30 is least concentrated according to the flammability properties table. I'm not sure which would be best and I'd rather not try them all.

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