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Definition. A hard ceramic tile of homogeneous composition throughout, deriving its color or texture from the materials used and the method of manufacture. The unglazed tile is used for floors or walls.Print | Cite This Source | Link to This Page. hard ceramic tile of homogeneous composition throughout, deriving its color or texture from the materials used and the method of manufacture. The unglazed tile is used for floors or walls.
Deep abrasion resistance UNI EN ISO 10545-6 (full-body coloured ceramic tiles classified as ugl) Method only applicable to unglazed ceramic tiles. The testing method and the expression of results are the same as those indicated in the previous European Standards (EN 102).