Description
05 Orton Regular Bar Cones – Pack of 50
Pyrometric Bars
Orton Bars were specifically designed to function in the Kiln-Sitter®.
The uniform shape makes consistent placement easy without affecting firing.
The novice or beginner will welcome its ease of use, while those practiced in firing will appreciate the consistency.
Pyrometric Bars
Pyrometric Bars are 1 inch (2.54 cm) Long. The uniform shape allows for more consistent control when used in Kiln-Sitter.
Orton Pyrometric Cones
Pyrometric cones are useful in determining when a firing is complete, if the kiln provided enough heat, if there was a temperature difference in the kiln or if a problem occurred during firing.
Cones are made from carefully controlled compositions and they bend in a repeatable manner (over a relatively small temperature range- less than 40ºF).
Small (junior) cones are used in a Kiln-Sitter™.
| Cone/Temperature Conversion Chart | ||||
| Cone | Temp at 108ºF/hr | Temp at 270ºF/hr |
Kiln Color |
Ware and Glaze Types |
| 10 | 2345 | 2381 | White | Stoneware Glaze |
| 9 | 2300 | 2336 | ||
| 8 | 2280 | 2320 | ||
| 7 | 2262 | 2295 | ||
| 6 | 2232 | 2269 | Porcelain Bisque | |
| 5 | 2167 | 2205 | ||
| 4 | 2124 | 2161 | Porcelain Glaze | |
| 3 | 2106 | 2138 | ||
| 2 | 2088 | 2127 | ||
| 1 | 2079 | 2109 | ||
| 01 | 2046 | 2080 | Yellow | |
| 02 | 2016 | 2052 | ||
| 03 | 1987 | 2019 | ||
| 04 | 1945 | 1971 | ||
| 05 | 1888 | 1911 | ||
| 06 | 1828 | 1855 | Bisque,Low Glaze | |
| 07 | 1789 | 1809 | Orange | Red Family Glazes |
| 08 | 1728 | 1753 | ||
| 09 | 1688 | 1706 | ||
| 010 | 1657 | 1679 | ||
| 011 | 1607 | 1641 | ||
| 012 | 1582 | 1620 | ||
| 013 | 1539 | 1582 | Red | |
| 014 | 1485 | 1540 | ||
| 015 | 1456 | 1504 | ||
| 016 | 1422 | 1465 | ||
| 017 | 1360 | 1405 | Glass Sagging | |
| 018 | 1319 | 1353 | China Paints | |
| 019 | 1252 | 1283 | Metallics, Lusters | |
| 020 | 1159 | 1180 | Dull Red | Decals |
| 021 | 1112 | 1143 | Glass Paint | |
| 022 | 1087 | 1094 | |
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