I have just poured the inside of a stoneware cylinder (test piece bisqued to 1000oC) with a transparent glaze that crawled horribly in a previous batch. This is a commercially mixed dipping glaze - very reliable by all accounts! Following advice here and elsewhere I let it stand and drew the excess water off the top. The glaze is now like pouring cream consistency. 100ml weighs 153g. I've poured the inside - about 3 seconds. As it dried the glaze cracked - see photo. What does this indicate? Can I just finger-sand it and dip the outside or am I destined for more disappointment?
Celia UKMember Since 01 Jul 2012
Offline Last Active Aug 26 2016 03:57 PM
I am a retired Primary School headteacher. I have set up a home studio and continue to develop my throwing skills. I like to alter, carve and incise my pieces, being more interested in shape, design and form, than colour and glaze finishes. I am currently working in smooth, white earthenware and would eventually love to move on to porcelain once I feel my skill level justifies the cost! I have a small electric kiln with digital controller, which has enabled me to eliminate glaze crazing issues. I have recently tried working in stoneware but am not yet convinced it is better for me than earthenware. I have also begun mixing my own glazes and will be happy once I have just 3 or 4 that are reliable.
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