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Bought a used EK Block with corrosion or not? - Page 3

post #21 of 47
Copper corrodes because it is copper. See Statue of liberty, oxidized copper pipes in your home etc. Any exposed copper needs to have some kind of enamel coating to prevent oxidization, which can occur (mostly surface discoloration) in a matter of hours for copper. ALL solid copper blocks corrode at an alarming rate when not isolated from the oxygen in air.
    
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post #22 of 47
Quote:
Originally Posted by Xaero252;14625577 
Copper corrodes because it is copper. See Statue of liberty, oxidized copper pipes in your home etc. Any exposed copper needs to have some kind of enamel coating to prevent oxidization, which can occur (mostly surface discoloration) in a matter of hours for copper. ALL solid copper blocks corrode at an alarming rate when not isolated from the oxygen in air.

Meaning all people who use distilled only have corroded/oxidated radiators inside as they are made of brass (copper+zinc)!applaud.gif
I guess using PT nuke or extra metals will only accelerate process.

Anyone against corrosion inhibitors?tongue.gif
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post #23 of 47
Quote:
Originally Posted by DEEBS808;14624343 
How much is it?Look like I could pull this off.thanks

Its ~$30 for 2.5lbs which is good for a one gallon batch. One gallon is enough to remove the nickel. I'm planning this project (R3E mb block) sometime soon though I think 1/2 a gallon is plenty enough for one block.

http://www.caswellplating.com/kits/metalx.html
Quote:
Originally Posted by Agenesis;14625516 
Might be slightly off topic but I've been reading that ek copper corrodes too due to impurities (rrtech), is this true?

Yes. There was a whole commotion about this situation. EK really did not handle this properly in the first place. Ultimately, they concluded that the plating method they used was not compatible with popular liquid/coolant choices, mainly distilled. They never specified what was the issue, but a lot of speculation led to popular beliefs of bad prepping, thin nickel application, and bad machining and surface adhesion. I guess the cat was out of the bag when a few enthusiast did an independent test and found an unused never before installed gtx 460 nickel block was already flaking.

Ek finally did some right and offered to cover rma expenses and work with retailers to assist in the rma process for overseas customers (they're located in Eastern Europe). I myself was affected and my loyalty was shatter by their initial actions that I cut my losses and sold all the bad plated blocks for a marginal cost of their potential resale value if they were not affected. Initially they wanted all customers to cover all shipping expenses to Slovenia, Europe (what an outrage), then they changed their mind when it seemed they were just backing themselves into the corner even further.

Ek's last stride to correct this is employing a new nickel plating technique dubbed "EN". This new process is according to EK "exceeding industry standards" and thicker plating. This also translates to small increase in cost of manufacturing which in turn is passed to the consumer. Makes you wonder why EK nickel blocks were about $20-30 cheaper than the compitors rolleyes.gif (pre "EN" nickel plating).

A word of caution, a lot of retailers are still trying to get rid of their old nickel plated EK block inventory. Even though EK has launched its new "EN" blocks and the retailers are charging more for them, there has been quite a few recent reported cases about customers receiving the old versions. Retailers are also turning down customers for replacements and directing them to EK. Still makes me very angry on the part of the retailers. So, my advice: wait a bit longer until the old nickel inventory is depleted(or as it should have been, returned to EK by the retailers), email the retailer's customer support to have some proof that you wanted an "EN" block, or just go with copper, or my personal preference, go with another block maker.

Most likely, some die-hard EK loyalist will be replying to my "informative/rant" post. Good luck, and again this info comes from some who dealt with this fiasco, wasted a lot of time and money, and ended up loosing in the end.

-wermad
post #24 of 47
yes, I have had much enough with EK products and customer support, I should never buy a single product from them.

After waiting 2 months for a replacement block they said would be made me in copper, now they tell me they will not do it, plus the nickel replacement block they sent me is showing flaking/corrossion again.

EK quality leaves a lot to be desired.
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post #25 of 47
Quote:
Originally Posted by Agenesis;14625516 
Might be slightly off topic but I've been reading that ek copper corrodes too due to impurities (rrtech), is this true?

Not true. The copper was pure as stated and the nickel plating was actually thicker than what EK claimed. What is being questioned is the process in which the plating was done, that's why EK switched the EN plating.

There seems to one claim now on an EN CPU block nickel failure already. Watching it now to see what happens.
Edited by ezveedub - 8/18/11 at 7:07am
     
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post #26 of 47
Just have them replated, will cost ya like 40 buckls per block from any reputable plater. ***Part of the process of plating is to prep the blocks, ie. they will strip it before plating. I hope you got a good deal. Anyways, after plating the block should be as good as new.
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post #27 of 47
Thread Starter 
Thinking about it I will probably get a new block but from a different company.I am liking the danger den or aqua computer blocks.thanks everyone.
Edited by DEEBS808 - 8/18/11 at 10:15am
    
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post #28 of 47
Quote:
Originally Posted by DEEBS808;14629394 
Thinking about it I will probably get a new block but from a different company.I am liking the danger den or aqua computer blocks.thanks everyone.

Look in the phone book or talk to any local classic car shop. Those guys use platers everyday. As much as I hate ek, they do have some of the best blocks material and aesthetics wise for gpu fullcovers.
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post #29 of 47
Thread Starter 
Quote:
Originally Posted by tsm106;14629488 
Look in the phone book or talk to any local classic car shop. Those guys use platers everyday. As much as I hate ek, they do have some of the best blocks material and aesthetics wise for gpu fullcovers.

Thanks.I will check to see.
    
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post #30 of 47
Sorry to hear this man. Was actually going to buy something from that user, will definitely avoid now.
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