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Twist-ties lost in clay are a thing of the past
Natural sponges have been used for years
it is fun to use
Dry bending strength: 2
Self-Supporting Cones #5 (25 Box) - Orton Modelling Clay Twist-ties lost in clay areOrton Self Supporting Pyrometric Cones #5 Box of 25 units Heating Rate Temperature Equivalence 15C hr (Slow) 1159C 60C hr (Medium) 1186C 150C hr (Fast) 1207C Explanation: Slow: The melting point of the cone at a slow rate of temperature change of 15C per hour, will be 1159C. Medium: The melting point of the cone at a slow rate of temperature change of 60C per hour, will be 1186C. Fast: The melting point of the cone at a slow rate of temperature change
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