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by Gaele Whitehouse
Sat Nov 03, 2018 1:16 am
Forum: Techniques and Tools
Topic: Frosty glass surface
Replies: 1
Views: 4154

Frosty glass surface

Hi
I am new to the forum and I am seeking help to solve a problem I am having with kiln casting. On several occasions I have had a very frosty rough surface on the glass where it was in contact with the investment mould. Looks and feels like sandpaper.
Not sure what is happening
Thanks Gaele