| 10/00 | Metal present as such or in compounds |
| 10/02 | Metal present as such or in compounds Group 1 |
| 10/04 | Metal present as such or in compounds Group 2 |
| 10/06 | Metal present as such or in compounds Group 3 |
| 10/08 | Metal present as such or in compounds Group 4 |
| 10/10 | Metal present as such or in compounds Group 5 |
| 10/12 | Metal present as such or in compounds Group 6 |
| 10/14 | Metal present as such or in compounds Group 7 |
| 10/16 | Metal present as such or in compounds Group 8 |
| 20/00 | Specified physical properties of component of lubricating compositions |
| 20/02 | Specified physical properties of component of lubricating compositions Viscosity; Viscosity index |
| 20/04 | Specified physical properties of component of lubricating compositions Molecular weight; Molecular weight distribution |
| 20/06 | Specified physical properties of component of lubricating compositions Particles of special shape or size |
| 30/00 | Specified physical or chemical property which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives |
| 30/02 | Specified physical or chemical property which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives Pour-point; Viscosity index |
| 30/04 | Specified physical or chemical property which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives Detergent or dispersant property |
| 30/06 | Specified physical or chemical property which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives Oiliness; Film-strength; Anti-wear; Resistance to extreme pressure |
| 30/08 | Specified physical or chemical property which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives Resistance to extreme temperature |
| 30/10 | Specified physical or chemical property which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives Inhibition of oxidation, e.g. anti-oxidants |
| 30/12 | Specified physical or chemical property which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives Inhibition of corrosion, e.g. anti-rust agents, anti-corrosives |