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Pro-Kote issue....
Posted by: David Nichols (---)
Date: October 17, 2020 11:28PM

Hi guys - I have a bottle of Pro-Kote hardner that has turned a Honey color.... the bottle of resin has remained clear ...
My question is - has the hardner gone bad - or would it clear out in mixing with the resin ?

Thanks

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Re: Pro-Kote issue....
Posted by: John DeMartini (---.inf6.spectrum.com)
Date: October 18, 2020 12:18AM

Over time discoloration does happen, however, it should still be good, BUT for peace of mind I would mix a small batch apply it to a section of scrap blank and check the results.



Edited 1 time(s). Last edit at 10/18/2020 12:21AM by John DeMartini.

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Re: Pro-Kote issue....
Posted by: Spencer Phipps (---)
Date: October 18, 2020 01:05AM

Your looking through a whole bottle, when you apply your thin coat you will not see the color.

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Re: Pro-Kote issue....
Posted by: Dan Ertz (---)
Date: October 18, 2020 09:19AM

Yellowing happens with all epoxy finishes, and doesn't effect how it works.

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Re: Pro-Kote issue....
Posted by: John Sansevera (---.hsd1.ny.comcast.net)
Date: October 18, 2020 09:30PM

I've had that happen to flex coat in the past. Placed it in a small pot of boiling water for a few minutes and when it warmed up it got thinner and cleared up, just make sure the top is loose so it doesn't explode as it expands from heat. Wait for it to cool down and you should be good.

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Re: Pro-Kote issue....
Posted by: Bill Sidney (---.gci.net)
Date: October 18, 2020 10:04PM

question ????? when you heat the hardner will the yellow go away ????????? just a question

William Sidney
AK

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Re: Pro-Kote issue....
Posted by: Dan Ertz (---)
Date: October 19, 2020 09:20AM

Bill Sidney Wrote:
-------------------------------------------------------
> question ????? when you heat the hardner will
> the yellow go away ????????? just a question

No - but it will be warmer! : )

I think John was referring to heating the resin to thin it if it gets thick and/or cloudy (NOT the hardner)

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Re: Pro-Kote issue....
Posted by: Phil Erickson (---.dsl.pltn13.sbcglobal.net)
Date: October 19, 2020 07:12PM

Most all the wrap hardeners will yellow with exposure to light. As mentioned above it looks bad in the bottle, but un-noticeable on a wrap.

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Re: Pro-Kote issue....
Posted by: David Nichols (---.dsl.hstntx.sbcglobal.net)
Date: October 19, 2020 09:01PM

I want to thank all that responded to my question - Thank You !
I warmed the Hardner and Resin (as I always do) and went to work....I did notice that the Hardner did 'lighten' a little bit - and when mixed with the resin, it still had the
'light' Honey-color.....however, I proceeded - in the end there was no difference after the finish had cured ---- clear as a bell - as they say !!


again, thanks to all for their input - great people here to help all who enjoy rodworking

David

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Re: Pro-Kote issue....
Posted by: roger wilson (---)
Date: October 20, 2020 09:40AM

David,
By the way, any time I notice a change in a material - with which I build rods - that I don't like, I discard it. Then I purchase new fresh material for the build.

Yes, possibly some of the fixes might mitigate the changes noticed in the material. But, as the saying goes, a bad look stays forever. Generally speaking the materials that we are speaking about are reasonably priced and if necessary to replace are not that much of an expense. Better to replace the material and feel great about the results, rather than trying something - that MAY work, but MAY also leave a hollow bad feeling in your stomach.

Best wishes.

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