Is the epoxy supposed to be 50-50 mix by weight,. or by volume? Makes a
difference.
.........bc ([EMAIL PROTECTED]
http://www.widomaker.com/~conk
Williamsburg, VA 23185
On Fri, 30 Apr 2004, Tommy wrote:
> Every now and then when mixing a batch of epoxy and cabosil for
> structural model building, it doesn't always cure hard as a rock.
> It ends up kinda rubbery for a few days. I'm using Hanger 9 30-
> minute epoxy and West Systems Cabosil. Using an accurate postal
> scale, the normal amount mixed is 3 grams of part A and 3 grams of
> part B. It gets mixed for 3-4 minutes before adding the Cabosil
> then mixed for 3 minutes more. Sometimes the mixture cures hard in
> one hour and sometimes it is still rubbery after 2 days. Only
> enough Cabosil is added to make the slurry the same consistancy of
> toothpaste.
>
> Any ideas for the rubbery result? Any suggestions for a more
> consistant epoxy?
>
> Tommy Lamnek
>
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