SECTION IX - WOOD AND ARTICLES OF WOOD; WOOD CHARCOAL; CORK AND ARTICLES OF CORK; MANUFACTURES OF STRAW, OF ESPARTO OR OF OTHER PLAITING MATERIALS; BASKETWARE AND WICKERWORK > CHAPTER 44 - WOOD AND ARTICLES OF WOOD; WOOD CHARCOAL > 4411 Fibreboard of wood or other ligneous materials, whether or not bonded with resins or other organic substances > Medium density fibreboard (MDF) > Of a thickness exceeding 9 mm