philrogers pottery on sun 24 sep 00
To all or at least some of those on Clayart,
For all of you who are unsure of the chemistry of Ceramics, discussion =
of faults and the reasons why they occur. For those who want clear, =
concise and full explanation of almost every thing that you will need to =
know with regard to day to day questions- myself included. - Buy Frank =
and Janet Hamers book, The Potters Dictionary of Materials and =
Techniques. pub. A&C Black. It is my bible and could cut the number of =
posts to this list by half!!
To Alisa and Claus,
Woolastonite contains a percentage of silica, it is a calcium silicate. =
Therefore it is not a straight sub. You will need to reduce the silica =
contribution. My memory suggests 5% but perhaps someone else can tell =
us.
Phil Rogers.
Phil and Lynne Rogers,
Lower Cefn Faes,
RHAYADER.
Powys. LD6 5LT.
Tel/fax. (44) 01597 810875.
philrogers@ntlworld.com
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