HS Code 6902.20
Refractory bricks, blocks, tiles and similar refractory ceramic constructional goods; containing by weight more than 50% of alumina (Al2o3), of silica (SiO2) or of a mixture or compound of these
6902.20.10
General Duty: Free
Refractory bricks containing by weight o/50% alumina (Al2O2) or silica (SiO2) or mixtures or compounds thereof
6902.20.10.10
thousands, t
Alumina
6902.20.10.20
thousands, t
Other
6902.20.50
General Duty: Free
Refractory blocks, tiles & similar goods (o/than bricks), cont. by wt. o/50% alumina (Al2O2) or silica (SiO2) or mixtures thereof
6902.20.50.10
THN
Alumina
6902.20.50.20
THN