[NSRCA-discussion] Spongy Epoxy . . .

[Keith Hoard]

That may have been what happened. . . I was using the hand pumps on West
System epoxy and they have been sitting for a while.  Perhaps one of the
pumps wasn't fully primed?

I'll measure out the next batch on my scale to get the mix right. . .

On Fri, Aug 27, 2010 at 10:28 AM, GEORGE KENNIE <geobet4 at verizon.net> wrote:

>
> Sometimes guys will think that mixing a higher ratio of catalyst will make
> the resultant
> cure harder, but it has the opposite effect. Use care in the mix and make
> sure to not mix in a
> waxed paper cup as this will produce the same effect.
>
> Good luck,
>
> G.
>
>
>
>
>
> ----- Original Message -----
> *From:* Keith Hoard <khoard at gmail.com>
> *To:* General pattern discussion <nsrca-discussion at lists.nsrca.org>
> *Sent:* Friday, August 27, 2010 11:22 AM
> *Subject:* Re: [NSRCA-discussion] Spongy Epoxy . . .
>
> I've tried that . . . I even microwaved the left-overs.  It is the
> consistency of tire rubber, so hopefully it will just peel right out . . .
>
> On Fri, Aug 27, 2010 at 10:17 AM, Richard Lewis <humptybump at sbcglobal.net>wrote:
>
>>  You can try heat....put it in a hot car, warm oven, or wherever you
>> can in an elevated temp environment for a while (several hours...) and see
>> if it hardens...no harm in trying...
>>
>> Richard
>>
>>  ------------------------------
>> *From:* Pete Cosky <pcosky at comcast.net>
>>
>> *To:* General pattern discussion <nsrca-discussion at lists.nsrca.org>
>> *Sent:* Fri, August 27, 2010 10:11:21 AM
>> *Subject:* Re: [NSRCA-discussion] Spongy Epoxy . . .
>>
>> 
>> Keith, it may be better to err on the side of
>> caution.....scrape...sand....apply new epoxy...
>>
>> ----- Original Message -----
>> *From:* Keith Hoard <khoard at gmail.com>
>> *To:* General pattern discussion <nsrca-discussion at lists.nsrca.org>
>> *Sent:* Friday, August 27, 2010 10:49 AM
>> *Subject:* [NSRCA-discussion] Spongy Epoxy . . .
>>
>> Gentlemen,
>>
>>   Is there any fix for epoxy that hasn't cured in several days other than
>> peeling it out and trying again?  I must have gotten the mixture wrong. . .
>> . the front side is hard as a rock, but the back side is still spongy . .
>> (front and back were done on separate days. . )
>>
>>
>> --
>>
>> Keith Hoard
>> Collierville, TN
>> khoard at gmail.com
>>
>>
>>  ------------------------------
>>
>> _______________________________________________
>> NSRCA-discussion mailing list
>> NSRCA-discussion at lists.nsrca.org
>> http://lists.nsrca.org/mailman/listinfo/nsrca-discussion
>>
>>
>> _______________________________________________
>> NSRCA-discussion mailing list
>> NSRCA-discussion at lists.nsrca.org
>> http://lists.nsrca.org/mailman/listinfo/nsrca-discussion
>>
>
>
>
> --
>
> Keith Hoard
> Collierville, TN
> khoard at gmail.com
>
>
>  ------------------------------
>
> _______________________________________________
> NSRCA-discussion mailing list
> NSRCA-discussion at lists.nsrca.org
> http://lists.nsrca.org/mailman/listinfo/nsrca-discussion
>
>
> _______________________________________________
> NSRCA-discussion mailing list
> NSRCA-discussion at lists.nsrca.org
> http://lists.nsrca.org/mailman/listinfo/nsrca-discussion
>



-- 

Keith Hoard
Collierville, TN
khoard at gmail.com
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.nsrca.org/pipermail/nsrca-discussion/attachments/20100827/b0711317/attachment.html>