BS EN 17160:2019 Product category rules for ceramic tiles

Grades (quality)
Tiles
Exterior wall coverings
Chemical properties
Floor coverings
Marking
Dimensions
Wall tiles
Physical properties of materials
Water absorption
Conformity
Surfaces
Flooring tiles
Graphic symbols
Interior wall coverings
Ceramics
Extruding
Quality
Classification systems
Wall coverings

Link: BS EN 17160:2019 Product category rules for ceramic tiles
Source: BSI Standards