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Tristan TDH

Glaze Not Adhering To Bisque

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I have a commercial glaze, a coyote Shino, The glaze is about five years old, I bought it dry, its been mixed up in a bucket for about five years. The bucket was apparently faily airtight, it didn't dry out much at all. I've used it every now and then but not a lot, this time when I went to use it, it won't adhere to the bisque. I tried on several different pieces, I tried wiping them with a damp sponge first, it still will not adhere. I am thinking that maybe some organic element of the glaze has broken down in time.

Does anyone have any ideas what I could do to make this glaze work again, it's a lovely glaze and I still have almost 3 gallons of it I don't want to throw it out if possible.

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I had this with an old (very old) commercial glaze.  The manufacturer sent me some stuff to mix in and it worked.  "Stuff" was called binder on the pot, but when I asked they said it was:

 

"a solution of Sodium Carboxyl Methyl Cellulose(CMC) with an addition of a Biocide to prevent it from decaying"

 

there were two recent threads on flaking glazes,with lots of useful info:  

 

http://community.cer...off/?hl=flaking

 

http://community.cer...king#entry68822

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