What is the standard of tile water absorption and their HS CODE?

Our national classification standard of water absorption rate:

Porcelain tiles: E≤0.5%  HS CODE : 69072190

Fine stoneware porcelain: 3%≤E≤6%   HS CODE : 69072290

Stoneware: 6%≤E≤10%   HS CODE : 69072290

Ceramic tiles: E>10%    HS CODE : 69072390