All Videos
All Videos
What Orton Cones are used by Ceramic Artists?
How to Install Your Orton Vent Master
Why Use Self Supporting Cones?
Troubleshooting Kiln Firing Issues
Frequently asked questions
Firing Tips and Helpful Guides
Downloadable PDF Firing Tips |
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Avoiding Carbon Burnout Problems |
Cones and Controllers |
Cracking and Thermal Shock |
Cracking and Warping Caused by Drying and Casting |
Firing Ceramic Bodies |
Firing Handbuilt or Thick Cast Ware |
Firing Red Glazes |
Glaze Defects - Blisters, Craters, and Pinholes |
Improving Kiln Uniformity |
Loading a Kiln for Best Results |
Success with China Paints |
Success with Decals |
Success with Golds |
Success with Lusters |
Successful Glass Fusing |
Understanding Crazing |
Understanding Heat Transfer |
Using the Three Cone System |
Cone Information
Safety Data Sheet
Our Pyrometric Cones have been tested rigourously over countless conditions, environments, and uses. This Safety Data Sheet is
Downloadable Full Cone Chart
The original and full-sized Orton cone chart. Hang it in on your shop wall for a quick reference.
Kiln Safety Manual
Proper set-up and maintenance of your kiln is critical to reliable and accurate clay firings. Understanding your kiln and its intricacies will all
Maintenance of a Kiln-Sitter
Kiln-sitters are a device for automatically shutting off your kiln when reaching a predetermined temperature or cone number.
Orton's Standardizing Process
It is important to realize that the Orton Foundation does not test cones under all of the many firing conditions where cones might be used successfully nor is it possible for the Foundation to know the critical nature of the firing control needed for all types of products. Changes in raw materials used in manufacturing of pyrometric cones may cause performance changes at firing rates or atmospheres different from Orton's standardizing conditions. Therefore the Orton Foundation encourages users with critical applications to check the performance of cones under their actual conditions of use. Each package of cones is identified with both cone and batch numbers so that the user may independently determine whether a new batch performs the same as the batch presently used before putting the new cones into service. By doing this, any changes in performance can be observed and recorded, thus maintaing product quality. If questions arise, please contact the Orton Foundation and one of our engineers will try to answer them
ISO 9001 Quality Certificate
It is important to realize that the Orton Foundation does not test cones under all of the many firing conditions where cones might be used successfully nor is it possible for the Foundation to know the critical nature of the firing control needed for all types of products. Changes in raw materials used in manufacturing of pyrometric cones may cause performance changes at firing rates or atmospheres different from Orton's standardizing conditions. Therefore the Orton Foundation encourages users with critical applications to check the performance of cones under their actual conditions of use. Each package of cones is identified with both cone and batch numbers so that the user may independently determine whether a new batch performs the same as the batch presently used before putting the new cones into service. By doing this, any changes in performance can be observed and recorded, thus maintaing product quality. If questions arise, please contact the Orton Foundation and one of our engineers will try to answer them
