27 | | | HS Code for Mineral fuels, mineral oils and products of their distillation; betuminous substances; mineral waxes |
| 2712 | | HS Code for Petroleum jelly paraffin wax microcystalline petroleum wax slack wax ozokerite lignite wax peta wax other mineral waxes and similar products obtained by synthesis or by
other processes whether or not coloured |
| | 27129090 | Other mineral waxes, whether or not colored |
| 2714 | | HS Code for Bitumen and asphalt natural bituminous or oil shale and tar sands; asphaltities and asphaltic rocks |
| | 27149020 | Emulsified asphalt |
28 | | | HS Code for Inorganic chemicals; inorganic or organic compounds of precious metals, radioactive elements, rare land metals or isotope metals |
| 2803 | | HS Code for Carbon (carbon blacks and other forms of carbon not elsewhere specified or included) |
| | 28030000 | Carbon |
| 2809 | | HS Code for Diphosphorus pentaoxide; phosphoric acid; polyphosphoric acids whether or not chemically defined |
| | 28091000 | Phosphorus pentoxide |
| | 28092011 | Food grade phosphoric acid |
| | 28092019 | Phosphoric acid and other metaphosphoric acid, pyrophosphoric acid |
| | 28092090 | Other multi-acid |
| 2813 | | HS Code for Sulphides of non-metals; commercial phosphorus trisulphide |
| | 28131000 | Carbon disulfide |
| | 28139000 | Other non-metallic sulfide, phosphorus trisulfide product |
| 2818 | | HS Code for Artificial corundum whether or not chemically defined; aluminium oxide; aluminium hydroxide |
| | 28181010 | Corundum |
| | 28181090 | Other artificial corundum |
| | 28182000 | Alumina, except artificial corundum |
| | 28183000 | Aluminum hydroxide |
| 2830 | | HS Code for Sulphides; polysulphides whether or not chemically defined |
| | 28301010 | Sodium sulfide |
| | 28301090 | Other sodium sulfide |
| | 28309020 | Antimony sulfide |
| | 28309030 | Cobalt sulfide |
| | 28309090 | Other sulfide, polysulfide |
| 2831 | | HS Code for Dithionites and sulphoxylates |
| | 28319000 | Other hydrosulfite and hyposulfite |
| 2832 | | HS Code for Sulphites; thiosulphates |
| | 28321000 | Sodium sulfite |
| | 28322000 | Other sulfite |
| 2843 | | HS Code for Colloidal precious metals; inorganic or organic compounds of precious metals whether or not chemically defined; amalgams of precious metals |
| | 28431000 | Colloidal noble metal |
| | 28432100 | Silver nitrate |