Now the square brick paving brick in the municipal, square, garden pavement works can be described everywhere, the market also followed a lot of brands, types of products, and how to choose a good quality paving brick has become a lot of customers Confused, look at the shape, that is, paving brick size, size error is greater than the positive and negative 2mm is not qualified, open paving brick to see the internal to see if the internal particles are fine, if the rough particles may affect the strength and water absorption The
Now the square brick paving brick in the municipal, square, garden pavement works can be described everywhere, the market also followed a lot of brands, types of products, and how to choose a good quality paving brick has become a lot of customers Confused, look at the shape, that is, paving brick size, size error is greater than the positive and negative 2mm is not qualified, open paving brick to see the internal to see if the internal particles are fine, if the rough particles may affect the strength and water absorption The See the internal color of the brick is the same as the outside, if the difference between inside and outside too much, may not burn thoroughly, so the brick will be a long time.
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