Xiamen service fantasy black marble glossy polished 18cm beautiful veins
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 Hue
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.
Density: | 2.7g/cm3 |
Color | black and brown |
Water Absorption: | 0.18% |
Bending resistance: | 13.5Mpa |
Compressive strength: | 164Mpa |
Fantasy black marble detail: