Insulating materials
- 29/29.035/29.035.01 Insulating materials in general
- 29/29.035/29.035.10 Paper and board insulating materials
- 29/29.035/29.035.20 Plastics and rubber insulating materials
- 29/29.035/29.035.30 Glass and ceramic insulating materials
- 29/29.035/29.035.50 Mica based materials
- 29/29.035/29.035.60 Varnished fabrics
- 29/29.035/29.035.99 Other insulating materials