Tuesday, 28 June 2011

Vitrified Tile

Floor Tiles
What is a vitrified tile?

Vitrified tile is a tile which has been processed in such a way that it has very very low porosity (and water absorption) which make it stain resistant and very strong.

What is the difference between standard ceramic tiles and Porcelain Tiles / Vitrified Tiles?

Tile terminology can be confusing. Most types of tiles that are made from clay or a mixture of clay and other materials, then kiln-fired, are considered to be a part of the larger classification called “Ceramic Tiles”. These tiles can be split into two groups, porcelain tiles and non-porcelain tiles. These non-porcelain tiles are frequently referred to as ceramic tiles by themselves, separate from porcelain tiles.

“Ceramic” or non-porcelain tiles are generally made from red or white clay fired in a kiln. They are almost always finished with a durable glaze which carries the color and pattern. These tiles are used in both wall tiles and floor tiles applications, are softer and easier to cut than porcelain, and usually carry a PEI 0 to 3 rating. Non-porcelain ceramic tiles are usually suitable for very light to moderate traffic and generally have a relatively high water absorption rating making them less frost resistant and they are more prone to wear and chipping than porcelain tiles.

Porcelain tiles is a tile that is generally made by the dust pressed method from porcelain clays which result in a tile that is dense, impervious, fine grained and smooth, with a sharply formed face. Porcelain tiles usually have a much lower water absorption rate (less than 0.5%) than non-porcelain tiles making them frost resistant or frost-proof. Glazed porcelain tiles are much harder and more wear and damage resistant than non-porcelain ceramic tiles, making them suitable for any application from light traffic to the heaviest residential and light commercial traffic. Full body porcelain tiles carry the color and pattern through the entire thickness of the tile making them virtually impervious to wear and are suitable for any application from residential to the highest traffic commercial or industrial applications. Porcelain tiles are available in matte, unglazed or a high polished finish.

What is the difference between glazed and full-body tiles?

Glazed tiles are coated with a liquid glass, which is then baked into the surface of the clay. The glaze provides an unlimited array of colors and designs as well as protects the tile from staining. The unglazed tiles are pretty much the same as the glazed tile, except that their surface is not coated. Full-body porcelain tiles do not show wear because their color extends throughout the tile, making them ideal for commercial applications.



Are all tiles stain resistant?

No all tile are not stain resistant, stain resistance depends on the water absorption.(WA) The higher the WA lower the stain resistance and vice versa vitrified tiles have high stain resistance because of their very low WA.

Why should I use Vitrified Tiles instead of Marble or Natural Granite?

Vitrified Tiles have far superior properties compared to marble or natural granite because being a manufactured product their quality is controlled whereas in naturally occurring marble and granite good quality is just a coincidence. Vitrified tiles posses much better mechanical strength (MOR), scratch resistance, resistance to acids, alkalies and chemicals, resistance to staining etc compared to marble or natural granite. Marble is a very soft material and hence its abrasion resistance is approximately 3 whereas vitrified tiles have an abrasive resistance of 6-7 on MOH scale. Marble is calcium carbonate which is strongly attached by Hydrochloric acid which is commonly used in toilet & floor cleaning. Marble yellows over extended time duration whereas vitrified tiles retains their colour for decades. Polished natural granite shows several surface defects and a good quality is just a matter of chance whereas vitrified tiles are guaranteed for consistent good quality. Marble laying is very cumberrsom and time consuming whereas vitrified tiles may be laid in a matter of hours and put to use after 48 hours.

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