11A1B10000 Embalagem de PTFE de grafite
25A2000000 Expanded PTFE Sealing Rope /Cord
11D1B16100 Ramie packings impregnated with PTFE and graphite
11B3F4E320 Expanded graphite packing with carbon fiber reinforced corners
11E1A16000 Carbonized fiber packings impregnated with PTFE
