Large Pyrometric Cones #4 (50 box) - Orton Specialty Clays whether you are using it

whether you are using it to close two seams together

This also provides excellent behaviour whilst drying and firing

from cement to dark grey

Included with the jars is the correct quantity of alumina balls

Large Pyrometric Cones #4 (50 box) - Orton Specialty Clays whether you are using itOrton Large Pyrometric Cones #4 Box of 50 units Heating Rate Temperature Equivalence 60C hr (Medium) 1160C 150C hr (Fast) 1181C Explanation: Medium: The melting point of the cone at a slow rate of temperature change of 60C per hour, will be 1160C. Fast: The melting point of the cone at a fast rate of temperature change of 150C per hour, will be 1181C. General Information: Large Pyrometric Cones allow users a practical method to monitor the heatwork