steveo3002
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i wouldnt be keen on using old hardener
- Thread starter The Z'eer
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brightspark
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ive used 2k hardener that had some of it crystallize in the tin and used the liquid .did a test piece 1st mind and it was ok .only because i got it given 
The Z'eer
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You reckon at circa four years old it’s probably past it’s best and thus will fail at hardening the paint?
steveo3002
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yeah i would say so , should have a use by date on it ?
only time i had some stay soft was when i used some that was on the turn and going a bit thick...did eventually harden though
The Z'eer
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I honestly didn't a use by date would appear on a tin of paint, lack of experience on my part. However on inspecting the tin...
...looks like it's out of date by a few years !!
That said the hardener has not crystalized in any way, I'm guessing it's just lost its potency?
steveo3002
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yeah i dont know how they fail but have seen use by dates on the can
i always used it up quickly when working in a bodyshop so wasnt a concern , i would suggest you only buy when ready to use it , paint seems to last ok as long as it mixes up
also need to watch whats being sold on ebay...i guess some sellers will be getting old stock in on the cheap
i always used it up quickly when working in a bodyshop so wasnt a concern , i would suggest you only buy when ready to use it , paint seems to last ok as long as it mixes up
also need to watch whats being sold on ebay...i guess some sellers will be getting old stock in on the cheap
The Z'eer
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Thanks for the tip there Steve with regards to eBay and yes, I will be mindful of the required quantity for the job and the use by date
