Friday, March 20, 2015

"Blizzard" Test Tiles

I ended up pushing through the small electric kiln a batch of cups used to test the stability of a new base clear glaze. Its been selected to be used in combination with the studio Crackle and Crawl glaze.

This particular batch is tests using the clear under the Crawl glaze and the effects on varying the thickness of the crawl glaze.

The first example is a medium/heavy thickness application of the base clear glaze under the Crawl glaze. 

Clear base glaze (blue hares fur without oxides)
rim and foot dipped in clear
Interior glazed
body dipped rim down in clear
dried over night
body dipped in crawl

The second example is a much lighter application of the base clear.

Both worked very well and stabilized the crawl glaze beautifully, but the readability of the cobalt design became more subdued. The results are very nice either way. I need to up the cobalt carbonate and see how brightening up the blue affects the over all design.

Verdict... thumbs up

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