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Porcelain tiles
Posted on April 10, 2014 at 6:15 PM |
Porcelain tiles
Porcelain tiles are ceramic tiles with a
water absorption rate of less than 0.5 percent that are used to cover
floors and walls. They can either be unglazed or glazed.
Large-scale production of porcelain tile is
undertaken in many countries, with the major producers being China,
Italy, Spain and Turkey. There are also countries undertaking
small-scale production, such as Australia and strong growth in
Brazil. The hardness of the tile can be rated from zero to
five according to ISO 10545-7 (also, ASTM C1027) test for surface
abrasion resistance of glazed tile, and this can be used to determine
suitability for various end use conditions. Polished
Porcelain tilesThe dense, hard surface of porcelain has made
polishing a viable alternative to a glazed surface. This means that a
tile can be fired, then a polish cut into the surface, creating a
shine without a glaze.
Disadvantages of Porcelain compared to ordinary ceramic tilesPorcelain is denser and therefore heavier to
handle; it is generally more expensive. Being harder, it is harder to
cut and drill, which may make fitting harder and more expensive.
Polished porcelain may need sealing, where ordinary glazed tiles do
not. AdhesivesSpecialised cements are necessary for installation
of porcelain tiles, and in the US specifications are set by the Tile
Council of America, and supported by the Tile Contractors Association
Porcelain, being denser and heavier than ordinary ceramic tiles,
needs a stronger adhesive to hold the weight on walls. Therefore
typical ready-mix adhesives are not recommended for porcelain. SealingWhen porcelain is first made, it is not absorbent,
but the polishing process for making the unglazed surface shiny cuts
into the surface, making it more porous and prone to absorbing
stains, in the same way as natural stone tiles do. Unless they have a
suitable, long-lasting treatment put on by the manufacturer, such as
nanotech treatment, polished porcelain tiles will need sealing.
Porcelain sealer’s are either water-based, which is cheaper, but
does not last as long, or solvent-based. |
Categories: tiles
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Window Cleaning Service in Overland Park
10:36 AM on May 16, 2014
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