Electronics Forum: humiseal ht-500 masking tape (Page 1 of 2)

humiseal 1b73 wicking

Electronics Forum | Fri Feb 05 20:39:41 EST 2010 | localperm79

I've recently been placed in control of operations of our SCS conformal coat sprayer and I must eliminate problems with wicking of humiseal 1b73 into surface mount connectors while also trying to minimize masking as much as possible. We use a 55:45

humiseal 1b73 wicking

Electronics Forum | Wed Feb 10 08:10:26 EST 2010 | davef

Here is a posting by P Kinner at Humiseal ... Typically, there are three main approaches to avoid coating wicking into press-fit connectors (and other keep out areas). Wicking is a phenomenon caused by a combination of low viscosity of conformal coa

Humiseal HT-500 Masking Tape Replacements

Electronics Forum | Thu Mar 01 16:09:33 EST 2007 | Steve

Just learned today that Humiseal will no longer be producing their HT-500 masking tapes or dots. Bummer, because their tape worked very well and left no residues even after baking. They say it was becoming so hard to get the raw material for their

Humiseal HT-500 Masking Tape Replacements

Electronics Forum | Tue Mar 06 07:18:26 EST 2007 | Rob Cass

I actually bought this tape directly from a disrupter of Saint-Gobain series M797. It was placed on 6" x 9" sheets to have unique conformal coating masking cut outs made. Took some effort to get the process worked out but all is well now.

Humiseal HT-500 Masking Tape Replacements

Electronics Forum | Mon Mar 05 22:51:05 EST 2007 | davef

Humiseal * HT500 HumiTape silicone free (Kapton tape isn't) * HT600 HumiTape [ESD safe version] Try: Shercon [10425 Slusher Dr, Santa Fe Springs, CA 90670; 800-228-3218 F800-955-8988 562-946-8555 F562-946-1015 http://www.shercon.com] "Conformal Coa

Masking tape

Electronics Forum | Thu Jan 22 03:25:26 EST 2009 | stevewilde

What masking tape can people recommend for masking the board when conformal coating. I am using a PVA autocoat machine and humiseal 1B31. Current tape, is leaving residue on board when used to hold link wires down whilst glue cures and also when used

Humiseal HT-500 Masking Tape Replacements

Electronics Forum | Fri Mar 16 11:21:18 EDT 2007 | cdsullivan

From various research I also found the HT500 series was/is being manufactured by Saint Gobain (part number M797). The product is still available through various distributors, though I imagine the quality issues will still be present. The quality issu

Masking of PWBs prior to conformal coat

Electronics Forum | Fri Apr 21 17:46:29 EDT 2006 | SD

First of all, do not use kapton tape! It tends to cause a dewetting effect around the tape. A call to Humiseal will explain why. There's not really a blanket answer to your question.... Removing cured liquid mask can often result in a fillet ef

Conformal Coating Masking

Electronics Forum | Mon Jun 18 11:17:40 EDT 2001 | Howie

The adhesive type is the problem generally - latex adhesives used are not compatible with the silicone. Humiseal offer silicone compatible tapes & dots although they are quite expensive. I found a 3M product which is compatible with silicone based co

AR/UR Coating Application

Electronics Forum | Wed Jan 31 10:56:23 EST 2018 | dontfeedphils

I'm working on bringing up a new conformal coat process/workcenter and have a few questions I'm hoping someone might have experience with. Right now we're manually spraying both coating materials (1B31 and 1A33 from Humiseal) using HVLP guns. I run

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