31660000 - Carbon electrodes

CPV code 31660000 in the EU Common Procurement Vocabulary refers to Carbon electrodes. It sits at level 3 of the CPV hierarchy as a class within the 31 division. This code is nested directly under 31600000, narrowing the broader category into the specific area of carbon electrodes. As a leaf code, 31660000 has no further subdivisions and represents the most precise classification available in this branch — buyers should reference it directly in tender notices when the procurement primarily concerns carbon electrodes. Contracting authorities across the EU use 31660000 in TED notices and national procurement portals to signal that a tender relates to carbon electrodes.