Electronics Forum | Mon Jan 14 09:15:44 EST 2019 | davef
Suppliers list the contents of their products in a MSDS. Libraries of these sheets are listed online. Look up the product you're using there. A safety data sheet, material safety data sheet, or product safety data sheet is a document that lists info
Electronics Forum | Sat May 30 11:42:44 EDT 2020 | stephendo
At the same time ask for the technical data sheet and the Safety Data Sheet. You don't know what other auditors you may have to deal with in the future. And someone should have all the SDS's in a binder for all the chemicals that you use.
Electronics Forum | Mon Mar 19 21:06:17 EST 2001 | davef
Liken soldering fumes to cigarette smoke. These fumes consist of two elements. 1 Smoke particles [very sticky] 2 Gases and vapors Particulate Filters: Smoke particles can be removed with a particulate filter. All particulate filters are graded u
Electronics Forum | Thu Jun 27 08:47:21 EDT 2019 | SMTA-John
Having success with Circuit Boards #432 Solvent Resistant Ink - Designed specifically for circuit boards. This medium dry ink is highly resistant to solvents .... It is also non-conducting. Note: this ink contains an aggressive solvent so should not
Electronics Forum | Thu Aug 30 21:57:02 EDT 2001 | davef
We don't use fussy things like that to remove mouse-bite tabs when they are not designed to be removed. Just cut away the majority of the waste using sheet metal shears. Then burr the remainder and the rough parts with a Sears wood router [bought a
Electronics Forum | Tue Jun 19 17:33:09 EDT 2001 | genny
We don't actually leave the residue on the board, even though the Kester spec sheet says it is ok not to clean - we do spot hand cleaning with Safety Wash. Kester also said that there shouldn't be any problem with mixing RA with no-clean, although w
Electronics Forum | Mon Sep 03 21:33:41 EDT 2018 | aemery
Jeff R, The "24VS" stands for 24VDC Voltage Switched; meaning that it is supplied under machine control and other things have to happen in the machine before 24VS is applied, in this case to KP1 coil. KP1 coil/contact is in place as part of the pow
Electronics Forum | Wed Jul 22 12:47:23 EDT 1998 | Earl Moon
| I'm trying to put together a set of design guides for use for new designers | in house or to be sent out for contracted layout work. I would like to start with a top ten list of things that will go wrong if rules aren't available. For example testp
Electronics Forum | Thu Jul 13 22:20:38 EDT 2000 | Dave F
=10 mils larger than lead 3 silk screen legend text weight >=10 mils 4 pads >=15 mils larger than finished hole sizes 5 place through hole components on 50 mil grid 6 no silk screen legend text over vias (if vias not solder masked) or holes 7 so
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