water on the back of tiles, pay attention to the speed of tile water absorption. After a few minutes, and then look at the front water spots are obviously. Water infiltration slowly after the dispersal of tile density, and the water place is not obvious, as the top grade. Six, take two bricks back and face to face and see if you can close contact with or without the large gap phenomenon can determine whether there is a warp. Seven, looking for ink painted on the

surface, after an hour to see if there are traces of traces, no traces of good bricks, there is no choice of infiltration. Eight, take two bricks, two bricks of geometric size, length and width and diagonal to see brick size deviation, no deviation is superior products. Nine, may refer to the inspection report issued by the state or industry inspection institution provided by the merchant, and compare the following index data: water absorption, abrasion resistance, acid

resistance and pollution index to identify the contrast. On how to identify the floor tiles are good or bad, Xiao Bian introduced to everyone to identify the floor tiles nine tricks. If you want to learn more about the floor tile knowledge, please continue to pay attention to house decoration network. Wood grain brick is a new type of environmental protection building material with decorative patterns on the surface. Few people may know wood blocks, wood blocks

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