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best surface hardener for glaze

updated thu 25 may 00

 

Cheryl L Litman on wed 24 may 00


I guess I just don't know how to look it up in Hammer but I'm wondering
what's best to add to a glaze to harden the surface so it doesn't dust
off while handling. My local ceramic supplier lists CMC, v-gum and
macaloid as additives to help with hardness but I'm not sure which is the
best. It also says that they aid in suspension of the glaze. Does that
eliminate the need for the bentonite that I add to some glazes? If it's
a suspension aid is it deflocculating the glaze? When would you add
something like Darvan to a glaze? Is there a good reference out there
for understanding glaze additives and when you'd need them? Also what
would you add to make a glaze more brushable?

Cheryl Litman ---------- Somerset, NJ --------- email:
cheryllitman@juno.com

***Experience is what allows you to recognize a mistake......when you
make it again.***