How should the ceramic tile be chosen?

How should the ceramic tile be chosen?
The family fits up, a lot kitchens and bathrooms should use the ceramic tile instead, now we see how the ceramic tile should be chosen.
First step: Take out one from the packing box arbitrarily, see whether the surface is heat, intact, should be even, bright and having no spot, lack of enamel, knocking against the phenomenon the glaze, the edge rule is whole all around. Not bright, astringent, or bubbles all belong to the quality problem the glaze.
Second step: Take out one more slice of bricks, two scenes of aline, it is the better that the middle chink is the smaller. If it is the intersection of pattern and brick that must can piece together, appear one intact pattern come on with four, whether the pattern that should also have an optimistic view of the brick is connected, clear. Then take all a case of bricks out, it is flat to put on a large level, the whole result of looking from slightly far place, no matter white, other or pattern, in conformity with color and luster being unanimous, if there is specific a bit darker, a bit lighter brick, in this way, will be very ugly, influence the whole ornamental result
Third step: One is getting vertical to suffer these bricks together, compare whether the size of the brick is unanimous, the small brick is offsetted and allowed to shoulder 1 millimetre, big brick is being allowed to shoulder 2 millimetres.
Fourth step: Take a slice of brick to strike another slice, or strike bricks with other hard things, if the sound of the brick is clear and melodious, loud, the ones that proved the brick is high quality, burnt are familiar; If the sound is unusual, prove that there are heavy covers or crackle phenomena in the brick: The heavy cover is when the brick takes shape, the air has not discharged, has caused the material to combine and does not split with the material well, inside in the material, can not find out from surface, only by listening to the sound can it distinguish.
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