Section 07 Plastics and articles thereof; rubber and articles thereof 40 Rubber and articles thereof 40 12 Rethreaded or used pneumatic tyres of rubber; solid or cushion tyres, tyre treads and tyire flaps, of rubber. 40 12 13 Of a kind used on aircraft 40 12 13 00 Of a kind used on aircraft Commodity Code Description 40 12 13 00 000 Of a kind used on aircraft