18mm glossy polished fantasy brown marble big slab sizes high rate
yield
How to choose the ideal marble:
Selected grade:
According to the size of the allowed deviation, flatness and angle
tolerance, and appearance quality, surface roughness index, the
marble plate is divided into superior products, first-class quality
and grade three; the marble plate is mainly through the
classification, differential detection instrument, measuring tools
to identify.
Inspection of appearance quality
The appearance of the marble plates of different grades is
different. Because marble is naturally formed, defects are
unavoidable. At the same time, the advantages and disadvantages of
the processing equipment and measuring tools are also the cause of
the sheet defects. Some plate plate not plump (warping or
depression), plate defects (cracks, blisters, stains, etc.) plate
specifications (such as a board body is not the lack of edges,
etc.). According to national standards, all grades of marble plates
are allowed to have certain defects, but the superior quality is
not so obvious.
Selection of pattern
The marble plate is colorful, the color is varied and the pattern
is not the same, which is the charm of the precious marble plate.
The color is basically the same, the color difference is small, the
pattern is beautiful is the specific performance of fine varieties,
otherwise it will seriously affect the decorative effect.
Detection of surface gloss
The surface gloss of the marble plate will greatly affect the
decorative effect. General quality polishing marble plate surface
shall have a mirror like luster, can clearly reflect the scenery.
But the different qualities of marble, because of the different
chemical composition, even the same grade of products, the
difference of glossiness will be great. Of course, there will be a
certain difference in the gloss of the plate surface between the
different grades of the same material. In addition, the strength
and water absorption of the marble plate are also an important
index for evaluating the quality of marble.
