I had read that common white vinegar from your local supermarket was a cheap alternative to expensive acetone when cleaning up brushes and equipment when fibreglassing but until this morning I had not been able to test it. Locally, a one litre container of acetone is $11.00 Aud and two litres of white vinegar is $1.50 Aud.
With commencing epoxy fibreglassing on a hull interior I did not wish to sacrifice expensive metal rollers but when looking at the price of acetone even cleaning a single roller after one resin/cloth layer application was going to cost several dollars to clean the roller. With the price of the white vinegar I can even save the cheap brushes as well.
As soon as the brush is immersed the vinegar starts its work dissolving the resin. I do not know how effective it would be on cured epoxy resin, however, I am very pleased with the results with the uncured resin.
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