Braided by carbon fibre yarns and treated by lubricant and PTFE. It is used as heat insulation materials and an excellent substitute for ASBESTOS PACKING. YP015 The packing without oil lubricated are also available. YP016 The packing with METALLIC (inconel wire or stainless wire) are available. Spec:6mm - 50mm Packing:In carton of 20kgs net each