Think about your slumping temperature

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#12827
Stephen Richard
Participant

I have not had to re-apply kiln wahs to my moulds for years. If your kiln wash is chipping off after a few firings, you should consider at least two things:

Are you firing higher than you need?  usually 630 – 677C is enough with a longer or shorter soak is enough.

Are you putting a lot of kiln wash on the mould? A thin layer is most often better than a number and thicker layers.

My method of preparation is here: http://glasstips.blogspot.co.uk/2012/10/mould-preparation.html

Stephen Richard

blogs at: http://www.verrier-glass.blogspot.com/ and  http://www.glasstips.blogspot.com/

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