High quality graphite products comprise rings, strips,yarns, gaskets, wire. Customer's size Factory price Bulk order capacity ... requirementsProperty: Operating Temperature:-200~800 °C (without oxidative medium).Usage: Being used in static sealing for pump, valve power industry, ... 2%≤1000≤500.7-1.8≥10≤12(450°C) burnt 3 hours All kinds of graphite packing rings, strips,yarns, spiral wound gaskets and ...