Clay Craft

Sunday, June 12, 2005

C/4 Seger High Fire Glaze#6


C/4 Seger High Fire Glaze#6
Originally uploaded by claycraft.

Using the Seger analysis of Orton C/4 as a starting point, we designed

the following C/9 glaze base



KNaO .3 Al2O3 .5 SiO2 4.0

CaO .7



Then, we lowered the alumina portion to .400



KNaO .3 Al2O3 .4 SiO2 4.0

CaO .7



The base recipe is as follows :



Custer spar 46

Whiting 18

EPK 7

Silica 24

Total 100



It was colored by equal amounts of Cobalt Carbonate and

Green Chromium Oxide.



#52 = 1.0 Cobalt Carbonate and 1.0 Green Chromium Oxide.



"Ils sont fous ces quebecois"

"They are insane these quebekers"

"Est´┐Żn locos estos quebequeses"

Edouard Bastarache

Irreductible Quebecois

Indomitable Quebeker

Sorel-Tracy

Quebec

edouardb@sorel-tracy.qc.ca

www.sorel-tracy.qc.ca/~edouardb/Welcome.html

http://perso.wanadoo.fr/smart2000/index.htm

http://www.digitalfire.com/education/toxicity/