What does the color of Orton Cones and Bars indicate ?
Orton cones and Bars have 11 different colors.
Knowing the colors can make it easier to tell at a glance which cone you have. Cones have their number stamped on the side and that is the most important thing to look at since there are colors shared by different cones.
There are 10 different colors that span Large and Self Supporting as well as Small Cones and Bars. Cones and Bars from 05 to 3 are dark red because of the iron that they contain.
Here is a guide to Orton cones colors.
Orton Pyrometric Cones and Bars Colors
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