ULTRA

LOW AND HIGH PURITY CARBON AND GRAPHITE PLATE AND ROD STOCK

HIGH PURITY GRAPHITE JIGS AND FIXTURES FOR USE IN THE PREPARATION OF SEMICONDUCTOR DEVICES

HIGH PURITY NUCLEAR REACTOR COMPONENTS INCLUDING MODERATORS, REFLECTORS, AND THERMAL COLUMNS; AND HIGH PURITY GRAPHITE CONTAINERS, PARTICULARLY THOSE FOR USE FOR OR IN CONJUNCTION WITH APPARATUS FOR MELTING, CASTING, OR REFINING MATERIALS SUCH AS METALS, CERAMICS, AND CHEMICALS AND INCLUDING BOATS, FUNNELS, CRUCIBLES, AND MOLDS AND PARTS THEREOF INCLUSIVE OF BLOCK INSERTS, AND THOSE FOR USE IN THE TRANSPORT OF RADIO-ACTIVE MATERIALS