Tariff number Chapter 69, Section 02
6902
Containing, by weight, more than 50 % of alumina (Al@2O@3), of silica (SiO@2) or of a mixture or compound of these products
6902200000 80
- Containing, by weight, more than 50 % of alumina (Al@2O@3), of silica (SiO@2) or of a mixture or compound of these products
6902201000 80
- - Containing, by weight, 93 % or more of silica (SiO@2)
6902209100 10
- - Other
6902209100 80
- - - Containing, by weight, more than 7 % but less than 45 % of alumina (Al@2O@3)
6902209900 80
- - - Other