Electronics Forum: waste solder paste (Page 1 of 657)

Re: recycling waste paste

Electronics Forum | Thu Sep 28 11:56:14 EDT 2000 | Steve Thomas

Well the majority of it has been sitting in pails for months, since our supplier quit handling it for us. It's pretty solvent free, at least on top. Do you really do that? It just sounds like another process control headache. Doesn't the oxidation

Re: recycling waste paste

Electronics Forum | Mon Sep 25 19:33:42 EDT 2000 | Dave F

Steve: How bout loading the old paste into syringes and have your hand solderers use it?

Re: recycling waste paste

Electronics Forum | Mon Sep 25 20:21:46 EDT 2000 | Dave F

Steve: How bout putting it on pie plate, running it through your reflow oven, and then adding it to your wave solder pot?

recycling waste paste

Electronics Forum | Mon Sep 25 17:42:40 EDT 2000 | Steve Thomas

Back in October a post went up re: the fact that a solder manufacturer quit recycling paste, and the responses then weren't encouraging, so I'm gonna stir it up again. I haven't figured out what we're going to do with ours yet and it's piling up. N

Re: recycling waste paste

Electronics Forum | Thu Sep 28 14:36:45 EDT 2000 | James

We dump the paste in with the dross in a 55 gallon drum. It's all hazardus waste the only difference is paste has flux and dross is who knows what. We use waste recycler. I don't know if we get as much money back as you would from the manufacturer

Re: recycling waste paste

Electronics Forum | Mon Sep 25 18:40:24 EDT 2000 | Steve Thomas

I'd heard that Alpha did paste reclamation but just assumed they only offered the service for customers using their paste. Hmmmm, it's worth a call, anyway. Thanks for the contact.

Re: recycling waste paste

Electronics Forum | Wed Sep 27 19:32:53 EDT 2000 | Dave F

So, what are you doing to your paste that would make you have to chisel it into small chunks? Our paste is soft and pasty ... perfect for smooshing into syringes. hmmmm

Re: recycling waste paste

Electronics Forum | Mon Sep 25 18:01:25 EDT 2000 | John Thorup

Hello Steve We use Alpha/Fry metal reclamation. They are happy to take the paste as long as is kept segregated. They pay if it's over 300 pounds. California contact: Patricia Mealey 949/364-6741

Re: recycling waste paste

Electronics Forum | Wed Sep 27 18:13:58 EDT 2000 | Steve Thomas

That sounds like a nightmare, but creative, definately. I do know I don't want to chisel all 4 pails into chunks small enough for a syringe, though. Actually I found someone that will take it if we sell them our dross. Problem solved. Our bar vend

solder paste

Electronics Forum | Tue Dec 08 08:52:42 EST 2009 | cunningham

How do people prepare there solder paste for screen print? We currently remove them from the fridge and mix them in a 500g solder paste tub mixer to mix the flux and paste together we waste to much paste at the moment as we only use the tub for 1

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