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Old 11-02-2015, 01:55 AM
  #6  
dereckbc
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Join Date: Jun 2013
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Originally Posted by fhhuber View Post
Faster epoxy tends to cure more brittle.
Yep thus why I used Robert Shaw 30-minute

Originally Posted by fhhuber View Post
temperature you are working in when mixing and applying the epoxy can affect how fast it cures and how brittle the result.
Mixed at room temp at 72 degrees, applied, cured, and dried at room temp.

Originally Posted by fhhuber View Post
Larger batches tend to "cook off" and cure early due to the chemical reaction heating the epoxy. This also tends to make it more brittle. This effect can be extreme, causing 2 hr epoxy to harden in under 20 minutes.
Very small batch about pea sized. Thus thought I did everything right.
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