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Dry Modulus of Rupture 955 psi 6
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ORTON LARGE CONES - 018 : Box of 50
no extra stand needed
Orton Cones: Self-Supporting Cones - 2 CONE 10 ELECTRIC KILNS Dry Modulus of Rupture 955ORTON SELF SUPPORTING 2 : Box of 25 Orton cones, pyrometric cones or witness cones are for accurate kiln firing. Order online from Sheffield Pottery Ceramic Supply. Orton Pyrometric Cones for Ceramic Arts Pyrometric cones measure heat work (the effect of time and temperature). Orton Pyrometric cones are slender pyramids made from about 100 carefully controlled compositions. Each cone number is unique in measuring temperature within a small temperature