Bare spots on moulds

#13232
Stephen Richard
Participant

On a number of moulds there is often a spot that does not seem to want to take the kiln wash. This is a hard spot where the liquid slip was hitting the mould. I have found that covering all the mould evenly will give enough coverage that (contrary to appearances) the glass does not stick at normal slumping temperatures, I.e. Not above 677C

Stephen Richard

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

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