he parameter used for slip resistance is called the Coefficient of Friction (COF). The higher the COF, the better the slip resistance of the tiles. Unglazed tiles, mosaic tiles (with many grout joints) and rough surfaced tiles are less slippery when compared with smooth and glossy glazed tiles. Therefore, these tiles are more slip resistance and are recommended to be used in industrial, kitchen, bathroom floor and swimming pool areas
Surface Abrasion Resistance
This characteristic shows the resistance of glaze to wear caused by intentional or unintentional movement of surfaces or materials in contact with the tiles. Porcelain tiles are more surface abrasion resistant and have higher durability.
Tiles with low water absorption usually have higher mechanical strength. Firing a tile at high temperatures makes it less porous and less water absorbent.
Mechanical strength (MOR) is an indication of the compactness of the ceramic tile and the maximum stress it can withstand without breaking. The greater the MOR, the denser the structure of the body. Hence, the mechanical strength of the various types of ceramic tiles provide you with a good guide in selecting the right tile that will fit your purpose.
Stain And Chemical Resistance
Tile that are stain resistant are hygienic and easily cleaned. Glazed ceramic tiles resist stains because of their glazed surface. Porcelain tiles are made stain resistant because of their compactness or low water absorption characteristics.
Ceramic tiles go through firing in a kiln and therefore a certain level of shrinkage is expected causing the dimensions of the tiles to differ slightly from one to another. The shrinkage level will vary according to the types of tiles and the production batches.
Shade / Tonality
The chemical characteristics of the natural raw materials used and the firing process will produce tile with a slight variation in shade, both within a batch and between batches. This is an inherent characteristic of ceramic tiles.