Smoke is applied in the kiln at 1000℃ or less for a relatively short period of time under 12 hours.
Made with blackish-grey clay called Dongi clay, which is different from clay used to make Onggi ware.
Completed without glaze or lye.
Not sturdy due to the low firing temperature.
A term used since after the 19th century.
First layer of deposit clay is coated with the second layer of Onggi clay
The original term for the reddish pottery commonly seen on Jandgokdae.
Coated with lye, and fired in high temperature under 1200℃
No glaze or lye coating. When the clay is dry, it is fired without bisque firing.
Red clay and white clay are used.
Natural sea salt is added at a high temperature of 1300℃ to increase the preservative function of the work.
Blackish blue smoke (carbon) is added at a high temperature of 1300℃, giving the ‘Puraedog’ the ability to purify air and water, and to deodorize.
The works are dark blue because the smoke is infiltrated into the works.
‘Puraedog’ are luxurious bowls, custom made in the government branch solely in charge of making royal bowls, to be used by the royal family and as royal gifts.
Images or patterns symbolizing the authority of the king are engraved.