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nc4 feldspar??? advice needed

updated sun 31 aug 97

 

Jean Lehman on thu 14 aug 97

Advice, please!

I just ordered some good old F4 Feldspar and was told it is hard to get and
my supplier has replaced it with NC4 Feldspar and that potters seem to be
happy with it. Is this a gram for gram equal replacement? Or, am I going to
have to reformulate all my glazes??? Ugh. It has been too many years since
my glaze calc course. And, yes I have had the Hyperglaze program for at
least two years, but haven't had a chance to learn how to use it.

I can't believe I haven't heard about this before... therefore I am
inclined to believe (hope) it isn't a real problem.

Thanks in advance.

Jean

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Jean Lehman, in Lancaster, PA
j_lehman@acad.FandM.EDU (that's an _underscore_ not a hyphen)

---------------------->
Jean Lehman, in Lancaster, PA
j_lehman@acad.FandM.EDU (that's an _underscore_ not a hyphen)
http://www.art-craftpa.com/lehman.html
Check out the 1997 Strictly Functional Pottery National at:
http://www.art-craftpa.com/art-craftpa.html