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Showing results for tags 'standard 630'.
I've been throwing with Standard Clay 630 (^6 white stoneware) this year and have really been enjoying using it. However, I used a few different commercial glazes with it and have found that some of them are crazing. For example: Amaco HF-9 Zinc Free Clear Amaco PC-40 Celadon Amaco Sahara Yellow Coyote Light Blue Gloss All of these are translucent, so maybe that's the common thread? Because Amaco's Ultramarine, Amaco's Amethyst, and Coyote's Buttercup didn't craze at all. But I tried my local studio's zinc-free clear, and it didn't craze. It's not the cooling, because nothing is