SRB4 - Sm. Regular Pyrometric Cones #4 (50/Box)
Item#: SRB4
* Small Cones are commonly used in the Kiln-Sitter®.
- The tapered shape allows some flexibility to adjust shut-off by placing the thinner or thicker portion of the cone under the sensing rod.
- Small Cones can also be used on the kiln shelf as miniature witness cones when space is limited. They require mounting in cone holders or plaques at an 8° angle and a width of 15/16 of the cone exposed above the cone holder. Small Cones used on the kiln shelf deform at about 9°F after Large or Self-Supporting Cones of the same number.
Heating Rate Temp Equivalent
572°F/hr (Fast) 2208°F
When is a Cone 6 a Cone 6? Have you ever wondered what a perfectly fired mature cone 6 looks like?
Simplifying the Orton Temperature Chart The Orton Cone Chart is made up of several different columns of information. Which one do I use for my kiln?
Using a Cone Template Cone Templates allow you to attach a number (bending angle) to your fired cone so it is easy to compare one firing to the next without saving all your old cones.
Why Use Self Supporting Cones? Have you ever wondered why you might want to use Self-Supporting Cones instead of Large cones? Mounting and Bending Angle is built in to self-supporting cones. All you need to do is set them on a flat surface.
How to properly mount Pyrometric Cones in a Plaque Mounting cones properly is important to yield results that match Orton's temperature charts. The video shows a few easy pointers to make sure you are mounting your cones properly.
3 Hole and 4 Hole Cone Plaques Plaques are available in 2 sizes. This video also shows how to make a 4 hole plaque into a 2-2 hole plaque if needed.
How Do I Separate my Large Pyrometric Cones? Large cones are shipped in "Compacts" (2 Connected Cones). This video shows how Orton recommends separating large cones before mounting in plaques.
How Do I Separate Small Cones? This video shows what a pair of small cones looks like and how to separate them.
Tell Me About Orton Iron Free Cones Cones containing Iron oxide make them "Brick Red" in color. Most of Orton's Cone Series are made without Iron Oxide. For customers who cannot tolerate iron oxide in their firings, Orton produces an alternate series to the red cones (between cone 010 and cone 3) called the "Iron-Free" series.
What Cones are Used in High Temperature Industrial Applications? Orton manufactures cones starting at cone 022 and ranging up to cone 42. For high temperature applications, Orton makes self-supporting cones up to cone 28, Large and PCE cones up to cone 42. PCE cones have been pre-fired to burn out any organics that are used during the cone forming process to prevent outgassing.
What Cones Are Used by Ceramic Artisits? Ceramic Artists, Potters and Contemporary Studios typically use cones between 022 and 10. This video gives a general explanation of the different ranges of cones and their applications.
What are the differences in the 4 different Cone Shapes? Orton manufactures pyrometric cones in 4 different shapes. This video is helpful to see the different cones that are available. Large and Self-supporting cones are "Witness Cones". They are placed in the ware setting to witness what your ceramic ware is being exposed to. Small cones and Bars are typically used in a Kilnsitter shut-off device. Some laboratories also use small or PCE (Pyrometric Cone Equivalent) cones as witness cones where space is limited.
Pyrometric Cones Bending Have you ever wanted to see cones bend? This time lapse video allows you to see the guide cone bending first, with the firing cone coming down next. The guard cone does not move but available if the Firing cone shows an "over fire condition.
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