Soda Kiln Firing Ceramics

It s a magical process and i m addicted to the outcome.
Soda kiln firing ceramics. Soda firing is an atmospheric firing technique where soda is introduced into the kiln near top temperature 2350 10. Sodium bi carbonate also know as baking soda the arm and hammer kind and sodium carbonate which is also known as soda ash. What are flashing slips in ceramics. Wood fired pottery and glaze fired pottery can also be found in the gallery.
Excerpted from ceramic arts daily. Damian grava vapor fired designs is a ceramic artist specializing in soda fired pottery. Kiln will be loaded tues 9 22 fired wed 9 23 unloaded sat 9 26. A raku white slip containing 1 part gerstley borate 2 parts flint and 3 parts kaolin will often flash a beautiful pink from copper added to the salt or fumed off other copper decorated ware.
Soda firing generally creates a more refined finish than salt firing. Soda firing process in the soda firing process soda ash sodium carbonate in water solution is sprayed into kiln at maturing temperature and sodium vapor combines with silica in clay to form sodium silicate glaze. The next soda firing will be wed sept 23. Forced draft burners and safety equipment forced draft burners are recognized throughout the ceramic industry as the most efficient means of firing a kiln.
All pots must be delivered and glazed by sat 9 19 we are closed sun mon pots that will be bisqued at burnish must be delivered dry by tues 9 15. The same slip with 3 5 copper carbonate added will be even more reactive. Damian works in cone 10 stoneware and porcelain out of westwood art studio in west seattle. The walls of the kiln were covered with a special kiln wash prior to the first firing which further protected them from the soda.
A salt firing tends to have strong defined patterns and a texture known as orange peel. The soda that we use is. By contrast though soda firing also creates dramatic texture and color variations the overall effect is a bit more subtle.