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  1. #21
    Member peteeng's Avatar
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    Default Re: epoxy granite sliding on epoxy granite.

    Hi Pippin here's a good read. Peter

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    Default Re: epoxy granite sliding on epoxy granite.

    Quote Originally Posted by peteeng View Post
    Hi Britt - Search for koehler article in the forum. The concrete guys have thrown out the graded approach. A two size mix seems to result in the best packing factor. Peter
    Agreed. This guy [1] came to the conclusion 66% sand and 33% dust makes the most stiff bar. Moving to 33% stones, 33%sand and 33% dust yielded the same results.

    [1] Epoxy granite stiffness - test and results




  3. #23
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    Default Re: epoxy granite sliding on epoxy granite.

    Hi All - Very good video. Shame he didn't use an aluminium bar as a baseline in the tests. But if we look at his chart and most laminating epoxies are 3-3.5Gpa and if his stiffness rating is based on the deflections then the EG is ~10x stiffer. ie 3.5/1.2X10= ~30Gpa which is typically what the EG guys are getting. Peter

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epoxy granite sliding on epoxy granite.

epoxy granite sliding on epoxy granite.