| Harmonised Commodity Description and Coding System (HS) - level 2 - Chapter | 
                    38 | 
                    Miscellaneous chemical products | 
                  
                
                  
                    | Harmonised Commodity Description and Coding System (HS) - level 4 - Article | 
                    381511 | 
                    Supported catalysts with nickel or a nickel compound as the active substance, n.e.s. | 
                  
                
                  
                    | Harmonised Commodity Description and Coding System (HS) - level 4 - Article | 
                    381512 | 
                    Supported catalysts with precious metal or a precious-metal compound as the active substance, n.e.s. | 
                  
                
                  
                    | Harmonised Commodity Description and Coding System (HS) - level 4 - Article | 
                    381519 | 
                    Supported catalysts, n.e.s. (excl. with precious metal, a precious-metal compound, nickel or a nickel compound as the active substance) | 
                  
                
                  
                    | Harmonised Commodity Description and Coding System (HS) - level 4 - Article | 
                    381590 | 
                    Reaction initiators, reaction accelerators and catalytic preparations, n.e.s. (excl. rubber accelerators and supported catalysts) |