Natural graphite products for industrial purposes, namely, graphite salts; natural graphite products for industrial purposes, namely, graphite intercalation compounds for industrial purposes for use in the manufacture of expanded graphite or flexible graphite; raw or semi-finished graphite, namely, flexible graphite or expanded graphite for use in processing graphite foils, graphite laminates, packings, sealing materials, and heat insulation materials

Pressure Relief Safety Disks Designed to Burst at a Predetermined Pressure, i.e. Rupture Discs