Pyrometric Cone Test Fire Kit (Orton/Alabama Art Supply)

Pyrometric Cone Test Fire Kit

Our resident potter has put together a useful pyrometric cone kit to help you test fire your kiln.

The kit includes a Large 3 Hole Plaque and a set of 5, 6, and 7-cone Pyrometric Cones.

How does it work?

If you are firing to Cone 5, the #5 pyrometric cone should be slightly curled at the top and the #6 and #7 pyrometric cones should be standing straight up.

If you are firing to Cone 6, the #5 prometric cone will be bent down all the way, the #6 cone will be slightly curled at the top, and the #7 pyrometric cone should be standing straight up.

If you are firing to Cone 7, both the #5 and #6 cones will be completely bent down, and the #7 cone will be slightly curled at the top.

About the Large Support Plaque

Take the guesswork out of making cone packs. Orton Large 3 Hole Plaquesare used for Large cones 019 to 36.With these the angle is always correct which is critically imperative to ensure an accurate reading of the cone temperature achieved by your witness cones.

• Rated for all temperatures up to cone 16 (1475″C)
• Use in electric or gas kiln.
• Can be coated with kiln wash and reused until a melted cone becomes completely fused.

About the Large Cones

Large Pyrometric Conesallow 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 manufacturers who want a visual indication of the heatwork in locations throughout their kiln.

• Large cones must be mounted in a plaque with the cones mounted at 8 angular degrees.
• Buy Replacement Cones

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