Take the guesswork out of making cone packs. Orton Large 3 Hole Plaques are 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.

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