Electronics Forum: dross composition (Page 1 of 1)

Re: Dross characteristic

Electronics Forum | Sat Oct 09 03:26:58 EDT 1999 | Brian

| Always experiencing dross in pot with different characteristic such as color, shape, dry/wet etc. Any paper, wetsites provide the more comprehesive explanation on its characteristic | Dross is a mixture of various things. The obvious ones are met

Re: Dross/Oxide problems with wave soldering machine

Electronics Forum | Mon Jan 31 12:24:24 EST 2000 | Dave F

Robert: Several points: 1 Dross is a mixture of various things with no "fixed" composition: � The obvious things are metal oxides mixed with metal and this can vary in color with temperature and composition - remember some intermetallic oxides form

Wave soldering problem - strange colour of the solder

Electronics Forum | Tue Jan 16 18:13:25 EST 2007 | greg york

Try to process the composite pallet through the wave without any flux and view volume of smoke and if any residue is deposited in the wave when it exits. My guess is that the pallets are releasing some binders that are high boiling and this in turn c

Solder Dross analysis

Electronics Forum | Fri Mar 25 12:27:17 EDT 2011 | blnorman

In a previous life, we would send samples to our bar solder supplier and they would provide analysis. For contaminants, ICP (inductively coupled plasma) is a method we also used to determine composition. Google labs that have ICP capabilities.

Solder Wave Dross/Dirt

Electronics Forum | Mon May 26 07:52:06 EDT 2008 | kenshiikeda

Hi mates, I encounter a problem on PCB after going thru the LeadFree Solder Wave. It shows so much dirt or dross on the PCB surface. I have attached the picture for more details. I have tried to scope out suspected solder dross and oxidedized solde

Re: Wave Solder Fixtures: Biting the dust FAST!

Electronics Forum | Mon Sep 14 17:39:37 EDT 1998 | Steve A

| I am running composite fixtures on my wave solder machine and after about 500 passes each (1 month)they are showing serious signs of wear in that the composite surface is bubbling up and glass fibers are also starting to show. | The problem here

Re: Wave Solder Fixtures: Biting the dust FAST!

Electronics Forum | Tue Sep 15 07:54:42 EDT 1998 | Rob Fischer

| | I am running composite fixtures on my wave solder machine and after about 500 passes each (1 month)they are showing serious signs of wear in that the composite surface is bubbling up and glass fibers are also starting to show. | | The problem h

Leaded and Lead-Free Wave Parameters

Electronics Forum | Fri May 23 18:55:20 EDT 2008 | gregoryyork

This is one of the biggest mistakes with the Lead Free process. We have all listened to the 'industry experts' and followed their advice and unfortunately got it wrong. Keep the dwell times (dependant on alloy selection) the same as Leaded so you are

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