Section 07 Plastics and articles thereof; rubber and articles thereof 40 Rubber and articles thereof 40 05 Compounded rubber, unvulcanised, in primary forms or in plates, sheets or strip. 40 05 20 Solutions; dispersionson other than those of subheading 4005.10 Commodity Code Description 40 05 20 00 Solutions; dispersionson other than those of subheading 4005.10