Indonesia has large reserves of minerals that could be processed into raw materials to feed ceramic industry like silica alumina, zircon, felspahr and
ballclay. The raw materials are found in abundance in Kalimantan, Sulawesi and part of Java.
He was able to achieve a dense hard, white translucent and glassy effect on his formulated porcelain body at 1300[degrees]C of saggar cone 10 (Kaolin 32%,
Ballclay 8%, felspar 48%, Quartz 12%) which yielded the best porcelain property.
Chantawong, 2001, Adsorption of heavy metals by
ballclay: their competition and selectivity, Journal of Tokyo University of Information Sciences, pp.
The predominate recipe was a cone 04 terracotta that used RedArt, Fireclay
ballclay and different grogs.
Technical Notes: Firing to 1220[degrees]C Bodies: Briar Wheels Garden terracotta Scarva College Buff 1st Slip (poor adhesion) 50:50
ballclay and china clay.