... :800~1200centigrade Product DescriptionExpanded graphite ribbon packing It is made by expanded graphite sheet, and used as packing, sealing in hot water, high temperature, gas, ammonia ... , etc. Working pressure: 20kgs / cm² Refractoriness: Approx. 800~1200 Spec: Thickness: 0.4mm Width: 10mm-25mm Expanded graphite packing