It is the best gasket materials of cylinders for air compressors.It is the best material of gasket for various flanges. Manufactured from flexible graphite foil mechanically clinched to a 0.004" (0.1 mm) thick stainless steel tanged (perforated) metal sheet - SS304 insert. The product has good compressibility and resilience,small stress relaxation,fine compensation function for uneveness of ...