Electronics Forum: kester (Page 6 of 51)

Flux thinning

Electronics Forum | Tue Feb 17 10:27:39 EST 2015 | joe98375

Thanks for the info I will definitely be getting a hold of kester.

Wetting Balance Solderability Equipment

Electronics Forum | Wed Sep 05 21:53:43 EDT 2001 | SR Evers

The once famous Kester unit (now discontinued by Kester) was made in the USA and still supported by Robotic Process Sytems of Liberty Lake, WA. It is being sold and serviced under the name of the RPS 6 Sigma. It is widely acknowledged to be the mos

no-clean process

Electronics Forum | Fri Mar 28 21:43:57 EST 2003 | MA/NY DDave

Hi Yes to your stone question. This pretty much goes with any flux change. Yes to the proper solvent for the flux you choose. Check with the Kester Data Sheets. Kester should have some application sheets which include some No-Clean information.

AIM, KESTER, OR INDIUM PASTE PREFERRED?

Electronics Forum | Fri Oct 28 07:31:37 EDT 2005 | avalancher

I have always encountered problems when using Kester (everything from bad solder to solder balls). I have profiled the boards to the extreme thinking it was my reflow recipie, but with no luck. I ended up going to AIM and I have never had a problem s

Lead Free paste

Electronics Forum | Thu Dec 07 14:13:06 EST 2006 | russ

Seriously folks Kester has some major issues with their thickeners. Do not spend time fixing your process that is the same as it has been. As a post here stated, Alpha is going to Mexico, we will see probs form them here pretty soon as well. Kest

Kester paste problems

Electronics Forum | Tue May 22 12:27:04 EDT 2007 | cyber_wolf

I would consider calling Kester and telling them they need to send their people out. I could not really see mesh size being an issue on anything 20mil and above. There are several other issues that can cause aperture clogging as well...: Incorrect

Kester 2331-zx flux streaking solder mask

Electronics Forum | Thu Nov 11 13:00:20 EST 2010 | 18424

Thanks Dennis, The fact that someone other than myself has experienced this is good to hear. Solder mask type should be spec'd all the same through out the many board suppliers we use but its worth the check.I have checked with kester but am still aw

Choosing Solder paste

Electronics Forum | Tue Dec 04 14:16:32 EST 2012 | eniac

AIM can give a good result, I tried the solder paste from many manufacturer - AIM, Kester, Indium, Koki, Alpha Metals, Heraeus - but I stopped my choice at Kester. For example, right now I have EM907 with date of manufacture in february 2010 (it's ju

Hand soldering rework fluxes

Electronics Forum | Thu Jan 14 16:32:58 EST 1999 | Dave Jurena

Hi all, I thought I'd use this forum to ask a couple general questions on fluxes for manual operations: First - Is it OK to use a wave soldering type flux (specifically OA)? Thinking about activation temperatures and the ramp rate of the wave solder

Flux residue?

Electronics Forum | Wed Apr 30 14:35:35 EDT 2003 | clarkk

Hello all, We have received reports from two customers about electrical leakage on pcb assemblies that used Kester paste #HM531 (63/37) and washed with Kester 'Bio-kleen' saponifier and DI water. The leakage is such that when the boards receive power


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