Standard Cone 7

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Whatever temperature indicator or controller is used to control a firing it is strongly recommended that Orton cones additionally be used since they monitor heat work rather than temperature.

They reliably monitor the effect of heat on the ware load and also the heat balance in various areas of the kiln.

No 7 Standard cone heating rate oC per hour, following recalibration in 1996 these cones now bend 10-20oC later than previously.
60oC 1237
100oC 1246
150oC 1255

Click here to download our Orton Cones Conversion Chart

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