LRB Cone 01 Large Regular Box of 50 (2046F)


Large Pyrometric Cones allow users a practical method to monitor the heatwork (the effect of temperature and time at temperature) inside their kiln. Today they are used by quality conscious artists who want a visual indication of the heatwork in locations throughout their kiln.

Click here for a cone chart in Fahrenheit

Click here for a cone chart in Celsius

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Cone 01 Large Regular 50/Box 2046 LRB

Large cones must be mounted in a plaque with the cones mounted at 8 angular degrees. Plaques can be made by hand or purchased through Orton. Orton stocks both 3 hole and 4 hole plaques.

Warning WARNING: This product can expose you to chemicals including Silica, crystalline (airborne particles of respirable size), which are known to the State of California to cause cancer.  For more information go to