Electronics Forum | Wed Jun 26 21:31:42 EDT 2002 | ianchan
Hi mate, suggestion: consider "re-fridge" the paste after each Lot (small volume) batch run, instead of leaving it at ambient temperature for 3mths. follow FIFO control of such re-fridged paste. check with your supplier (in documented format reply)
Electronics Forum | Thu Oct 30 12:26:26 EDT 2008 | slthomas
Your fridges can't be temperature adjusted? We've always just used "pre-owned" kitchen fridges and set them where we want them.
Electronics Forum | Tue Feb 27 14:02:16 EST 2024 | spoiltforchoice
There are plenty of paste chemistries now that can be stored at room temp for far longer than 2 weeks. You should not return a paste to the fridge once it has been opened. If a tub of paste came out of the fridge mistakenly I see no reason to why it
Electronics Forum | Thu Nov 17 17:30:35 EST 2005 | mike
Freeze?? Dont you mean fridge?
Electronics Forum | Thu Dec 01 20:44:18 EST 2005 | milroyperera
Hi, The temperature in the fridge is 5-10 degrees.
Electronics Forum | Wed Jun 04 08:35:48 EDT 2008 | cattle
yes and yes it has. also it has reduced the time of paste preparation after the fridge BR
Electronics Forum | Tue Jan 16 15:42:45 EST 2007 | slthomas
Now yer talkin'! FTR, I've seen 7 month old (5 month shelf life in a 45� F fridge) WS based pastes in tubes turn to clay and refuse to print through anything less than about 50 mil pitch. This was stuff stored in the fridge per mfr's spec. I suspe
Electronics Forum | Wed Oct 19 20:04:06 EDT 2011 | warwolf
yeah I’ve tried to go down the road of internal recycling but the company carnt justify spending 20k on a machine that does it. Ah but where still onto it in other places though our SMT department has very minimal wastage on solder paste as we have b
Electronics Forum | Wed Jun 26 11:29:53 EDT 2002 | slthomas
Go to the top of the page and enter your topic in the "Search SMTnet" window. It can take some tweaking to get it dialed in to the exact topic you want. Do you mean the paste was on site for 3 weeks, or was it actually out of the fridge for 3 week
Electronics Forum | Fri Apr 29 07:14:13 EDT 2005 | jdumont
Recently we have been seeing issues with an inability to print through .45mil apertures on our stencils. We have also been seeing a alot of solder balls under some BGAs (some worse than others). I was checking the refridgerator (small mini fridge) we
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