Posted 05 August 2012 - 12:03 PM
Yeasterday I sanded off all the old kiln wash I put on when I first got my kiln. It was flaking and uneven and sticking to my pots. I decided to spray on this time which was awesome. I sprayed 2 light coats, did a bisque firing with some pots and was going to add 2 more light coats today. I noticed that the wash just brushes right off and didn't seem to adhere. I did make a mistake and hit fast bisque instead of slow bisque so I was wondering if that was the problem. anyway DO i respray them and just try again on slow bisque??
Posted 05 August 2012 - 05:16 PM
Posted 05 August 2012 - 06:09 PM
The new kiln wash I purchased had that dusty to the touch affect when first fired. I vacuumed and wiped down the shelves to get the loose dust off. Quite different than the old caked on kiln wash, but it seems to work.
Vo Studio Ceramics
Posted 06 August 2012 - 10:06 AM
I only need to clean the kiln wash after a color blushes onto it or something drips. I can usually pop off a drip easily. The blushing from cobalt glazes is necessary so it does not color my porcelain bases. I use a light grinding disc on a drill or dremel for a light cleaning.
Posted 08 August 2012 - 10:00 AM
Posted 09 August 2012 - 10:11 AM
Unless there is a compelling reason to use stuff like that to solve some serious technical issue, where other solutions will nor work, it is not a great idea. You are needlessly getting RCF fiber dust into your environment.
Immediate Past President; Potters Council
Professor of Ceramics; New Hampshire Insitute of Art
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