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The RT4 8cm size is for smaller pieces and clasping narrow necks
Has potent anti-bacterial and anti-viral properties
5kg (ship weight 54kg
Its high grog content provides excellent behaviour during drying and firing
Large Pyrometric Cones #9 (50 box) - Orton Footing Tools The RT4 8cm size isOrton Large Pyrometric Cones #9 Box of 50 units Heating Rate Temperature Equivalence 60C hr (Medium) 1257C 150C hr (Fast) 1278C Explanation: Medium: The melting point of the cone at a slow rate of temperature change of 60C per hour, will be 1257C. Fast: The melting point of the cone at a fast rate of temperature change of 150C per hour, will be 1278C. General Information: Large Pyrometric Cones allow users a practical method to monitor the heatwork
