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Individual tiles are weighed dry then saturated with water and weighed again to determine how much water is absorbed by the tile. The water absorption value of tiles are classified by percentages. The softest mineral, assigned a 1 on the scale, is talc. The hardest, assigned a 10 on the scale, is diamond.
A rating of 7 or higher is recommended for commercial applications. Ceramic tile must be able to withstand a certain load bearing capacity depending on the application—floors and walls. ASTM C test is used to determine the force needed to break an unsupported section of tile. A tile sample is placed in contact with different chemicals over the course of 24 hours then it is rinsed and inspected for visible damage or variation. It is rated as either resistant or non-resistant.
It is subjected to several different levels of use then is examined visually for abrasions. Marazzi USA recommends tile for floor applications based on the following classifications. Tile coloring can range from monochromatic to a random appearance in coloring and shading of individual tiles and from tile to tile.
Variation in coloring is classified by the following. Test Results Marazzi USA is dedicated to providing solutions that forward the progress of the tile industry and its customers. See product pages for series-specific technical data.
Products that meet the DCOF standards are suitable for commercial application and other applications with specific environmental demands. The measurement of friction determines the sliding motion of one surface against another, especially in contaminated environments where liquids may be present on the floor. Friction tests determine the force it takes for slipping to happen on tile. DCOF testing takes an extra step and determines the ratio of forces necessary to keep two surfaces sliding against one another.
Impervious 0. Recommended for residential floors in areas subject to soft-soled footwear or normal footwear traffic, without scratching dirt i. Recommended for residential floors subject to soft-soled footwear or normal footwear traffic with small amounts of scratching dirt i. Class Three 3 Medium to heavy traffic. Class three tile may be used in commercial settings with limited foot traffic and with no direct access to the outside residential kitchens and hallways, interior hallways in commercial buildings.
Class Four 4 Heavy traffic. Recommended for residential and commercial floors subject to considerable traffic and scratching dirt i. Floors should be protected against scratching by mats at entrances or another footwear cleaning device.
Light traffic. Medium to light traffic. Medium to heavy traffic. Heavy traffic.
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