Kathy McDonald on tue 9 jan 07
I noticed a comment made by Ron Roy related to using G200
as a spar instead of Kingman spar. I deleted the post
I could cut and paste the quote.
I believe he said that using the G200 as a replacement for
Kingman would not alter the glaze significantly.
What are the qualities of G200 that make it the same as,/or
the other spars commonly used ? I've been doing some reading
but it all gets
very confusing so I thought I would ask here to see if
a straightforward way of explaining what the differences
might be and whether
one spar is better to use in some glazes than others.
I use G200 in a glaze called Robin Hopper's white and I
really like the way it
behaves in that glaze...cone 6. This same glaze also fires
to cone 10 without
G200 is a bit more expensive so I was wondering what if
anything can justify
the added expense of using it . I usually mix 20,000 g
batches of glaze at a time
but would be quite happy to pay the added cost for the
better outcome in firing.
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