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50-250C | 80C-250C | 120C | 150C | 180C | 185C | 200C | 200C-1000C | 200C-450C | 210C-280C | | 260C | 290C | 300C-330C | 300C | 370-950C | 400C-600C | 400C | 425C-650C | 480C-600C | 500C-600C | 512C | 535C | 540C-600C | 650C-900C | 700F | 750C-1000C | 750-850 | 800C-1100C | 850-950 | 850C | 850C+ | 900-1000 | 900C | 990C | 1025-1325 | 1025C+ | 1050C | 1050C | 1082C | 1100C+ | 1100C | 1100C | 1300C | 1325C | 1330C | 1360C | 1400F | 1400F | 1418C-1428C | 1420C | 1500F | 1550C | 1565C | 1600F-1650F | 1650F | 1785C | 1800F | 1950F-2050F | 1990C | 2300C | 2320C | 2750F

250C-370C

Organic burnout

Organics are literally burned out during first fire of ceramic bodies. Ball clays often contain significant organic material (the lignite imparts their dark grey to even black coloration). Excessive organics and insufficient time or oxidation will lead to black-coring of the body during firing. During this range it is the low temperature organics that are removed, others remain.

Related Information

Links

Glossary Black Coring
A common fault in reduction gas fired ceramic ware made from iron bearing clays. The interior cross section of the clay turns black.
Temperatures Carbon / iron oxidation (370-950C-)

By Tony Hansen


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