- Aluminium oxide, other than artificial corundum

HS v2007 Code: 281820

Revisions to 281820

Classification codes are adjusted frequently. The code may have been revised or replaced between system versions. The table below shows the history (newest to oldest) of the code 281820. The most recent 1 version of this code (281820) is in the HS v2022 system:

This page shows a legacy version of code 281820 ( HS v2007).

Family tree for - aluminium oxide, other than artificial corundum

    graph LR
    A["<a href='/classifications/hs/v2007/28'>28: Inorganic chemicals; organic or inorganic compounds of precious metals, of rare-earth metals, of radioactive elements or of isotopes</a>"]
A --> B["<a href='/classifications/hs/v2007/2818'>2818: Artificial corundum, whether or not chemically defined; aluminium oxide; aluminium hydroxide.</a>"]
B --> C["<a href='/classifications/hs/v2007/281820'>281820: -  Aluminium oxide, other than artificial corundum</a>"]

    B --> D["<a href='/classifications/hs/v2007/281810'>281810: -  Artificial corundum, whether or not chemically defined</a>"]
B --> E["<a href='/classifications/hs/v2007/281830'>281830: -  Aluminium hydroxide</a>"]

    

    %% Color coordination by level

    classDef level1 color:#000,fill:#a8f9ff,stroke:#333,stroke-width:2px
    classDef level2 color:#000,fill:#e0a458,stroke:#333,stroke-width:1px
    classDef level3 color:#000,fill:#419d78,stroke:#333,stroke-width:1px
    classDef level4 color:#000,fill:#c04abc,stroke:#333,stroke-width:1px
    classDef level5 color:#000,fill:#f1c40f,stroke:#333,stroke-width:1px
    classDef level6 color:#000,fill:#f1c40f,stroke:#333,stroke-width:1px
    classDef highlight color:#000,fill:#fff,stroke:#000,stroke-width:5px



  %% Apply classes
  class A level2
class B level4
class C level6
class D level6
class E level6

  class C highlight

  %% class A level1
  %% class B,C level2
  %% class D,E,F,G,H,I level2
  %% class J,K,L,M,N,O,P level3
  %% class C highlight