These Self Supporting Orton Pyrometric Cones are used on a shelf inside a kiln to determine when a firing is complete, if the kiln provided enough heat or if there was a problem during the firing. This style of cone does not require a cone holder. These Orton cones are made from carefully controlled compositions so that they bend in a repeatable manner over a very small temperature range. When the cone tip reaches a point level with the base it indicates it is properly fired.
Features
- Fixed mounting height and angle
- No need for cone holder
- Consistent results
- Most accurate way to control ceramic firing
- Orton has been manufacturing since 1896
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