graphite spiral wound gasket : 1) graphite strip + metal tape 2) used in flange joint of valve, pump, heat exchanger, tank etc ♣ Properties and Usage: • Spiral Wound Gasket is the best in the compression resilient in all the half-metal seal gasket, which is made by the metal hoop band and different kinds of packing material. • It is widely used in the fields like petrochemical industry, machine, ...