separate the copper top from processors

[baltimorerecyclers]

jimdoc wrote > The emails are not working for anybody right now ...

bummer, okay i got it, just gotta stop in on a regular basis

 

[etack]

why are you taking the heat spreader off anyway. soak them in a shallow dish of HCl and just take the pins off. The fact is if you soaked them in HCl a pound at a time completely submerged the pins will fall off before your heat spreader will dissolve and more than likely it will only remove the tin on top with minor pitting. Hot HCl is cheep time is expensive.

personally they are not worth the time to refine.


Eric

 

[Geo]

baltimorerecyclers, Noxx explains in the thread why you, nor anyone else is getting Emails from the board right now.

as far as the tops, solvents that are strong enough to break the bond of the sealant between the base and the top will also break down the resins in the fiber base. if you are flipping the CPU's for profit and removing the metal top to increasing the resale price, you may be working for nothing. if you sell by weight, i can see where the extra expense would be beneficial. if you are selling by the piece, you are only hurting yourself. i am not privy to your operation, but if you have more CPU's than you can deal with one at a time by hand, i dont think you want to reclaim the lids for the copper content. i would sell per piece and make sure the price asked reflects the price of the copper tops and just leave it on.

 

[WTAstronaut]

I did not know those were cpper. Thanks!

 

[baltimorerecyclers]

as far as the tops, solvents that are strong enough to break the bond of the sealant between the base and the top will also break down the resins in the fiber base.

if you are flipping the CPU's for profit and removing the metal top to increasing the resale price, you may be working for nothing. if you sell by weight, i can see where the extra expense would be beneficial. if you are selling by the piece, you are only hurting yourself. i am not privy to your operation, but if you have more CPU's than you can deal with one at a time by hand, i dont think you want to reclaim the lids for the copper content. i would sell per piece and make sure the price asked reflects the price of the copper tops and just leave it on.

> if you sell by weight, i can see where the extra expense would be beneficial ... i am not privy to your operation ...

I process scrap for corporate clients in the Baltimore MD / Washington DC area. Just looking for little ways to increase the value of the materials.

 

[schomisch]

Will somebody clarify this for me: I read in a previous post that the lids were 30% copper 70% nickel. If this is true they would be worth more then the $7.50 a lb they currently are going for. I would just like someone to clarify this for me.

Thanks ~Chris!~

 

[nivrnb]

To All,

While removing one of the lids, I came across a heat sink that had a gold tint on the underside. Is this common? The processor was a burnt 2.8 Ghz P4. Has anyone else come across this? To get the lid off of this processor, what I did was scrapped the epoxy off the entire outer edge of the heat sink. Then I tried to pry it off using a small metal wedge. What had happened is that the die was soldered on and I ripped a whole straight thru the processor. The die was stuck to the bottom of the heat sink. Then I just used a heat gun to separate.

Update just found this link discussing the gold plating. http://goldrefiningforum.com/phpBB3/viewtopic.php?f=60&t=15471&p=156631&hilit=heat+sink#p156631

Also this link, good stuff!!!! http://goldrefiningforum.com/phpBB3/viewtopic.php?f=34&t=14801&p=149245&hilit=heat+sink#p149245




Rob

 

[Geo]

if you incinerate the copper lid, the gold color will fall off. im afraid its just a piece of film, perhaps Mylar. its not metallic as it will burn if you get it hot enough. i thought it was some thin gold plating too. its amazing what a torch will do to some things.

 

[pimpneightez]

Will somebody clarify this for me: I read in a previous post that the lids were 30% copper 70% nickel. If this is true they would be worth more then the $7.50 a lb they currently are going for. I would just like someone to clarify this for me.

Thanks ~Chris!~

No way are these 70% nickle. I would say 99% copper,1% plated with whatever