Explanatory notes
… 6907.21 - - Of a water absorption coefficient by weight not exceeding 0.5 % 6907.22 - - Of a water absorption … ceramic flags and tiles, including quarry tiles, commonly used for paving or for facing walls, hearths, etc. Flags and … off the facing, paving, etc., work, with or without rounded edges, non flat or 3-dimensional, which give them the …