1.material:expanded graphite sheet 2. working pressure:20kgs/cm2 3.refractoriness: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 ribbon ...