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Old 02-15-2017, 10:34 AM   #10
Foot Stomper
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Join Date: Oct 2015
Location: Calgary, Alberta
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Re: Can bondo go bad?

I'm curious if the new can turns out to be the same as the old one.
My bet is it will be if the same hardener and same amount used.

My career as a manufacturer's representative for a filler and finishing glaze manufacturer, I am not concerned about the age of the filler as long as it's still creamy and the resins have been mixed in. By far the biggest challenge with filler is the hardener. Sometimes it will sour and/or an incorrect amount is used. CG285 brings up a good pint that over catalyzation can also be detrimental although most folks will tend to unde catalyze..but not all.

OP ChrisMoore701 please post a picture of your next few batches showing the amount of hardener you have used before mixing it in as this will be very helpful in assisting you.
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