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Evaluate the quality of glass - glass brick Content Two
- Jun 17, 2018 -

(5) when purchasing, observe with the naked eye whether there are needle holes on the surface within one meter.

(6) observation of warping degree: whether the side of ceramic tile is flat and straight with the naked eye, if the situation of warping is serious, it will affect the firmness of ceramic tile in the future.

(7) check the square of ceramic tile: lay four bricks flat on the ground, change the combination edge arbitrarily, and see whether the cross and gap in the middle are even.

(8) check the flatness: turn one of the two bricks face to face; See if you can rotate it, if you can rotate it it means that the surface of the brick is uneven.


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