What kind of natural marble? How to choose?
Check the quality of appearance: the appearance of marble plates with different grades are different. Because marble is naturally formed, the defect is inevitable. At the same time, the advantages and disadvantages of processing equipment and measuring tools is also the cause of the plate 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.). In accordance with national standards, the level of marble plates are allowed to have some defects, but not so obvious excellence.Select the pattern color: marble plate color spot LAN, color diversity, patterns are not the same, this is the marble plate of the precious charm. The tone is basically the same, the color difference is small, the pattern is beautiful is the specific performance of good varieties, otherwise it will seriously affect the decorative effect.Detection of surface gloss: marble board surface gloss level will greatly affect the decorative effect. General quality polishing marble plate surface shall have a mirror like luster, can clearly reflect the scenery. However, because of the different chemical composition of different quality marble, even with the same level of products, the difference in gloss will be great. Of course, the same material between different grades of the board surface gloss will have some differences. In addition, marble plate strength, water absorption is also an important indicator to evaluate the quality of marble.
Other answerSelected 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 the.
Natural marble four:1 see texture: each piece of natural marble has a unique natural patterns and colors.2 listen to voice: Generally speaking, the stone of good quality its percussion sound is crisp and sweet.3 test light: high degree of transparency of natural marble, lighter or flashlight to illuminate the back of the marble, high transmittance.4 to identify man-made and natural marble and a more simple move: drop a few drops of dilute hydrochloric acid, natural marble blistering, artificial marble is weak or even bubble bubble.
Natural marble is not suitable for cabinet countertops, because the natural stone density is very low, easy to dirt, not easy to take care of, but also radiation;It is suggested that the stone, now some man-made stone with natural stone is very similar, such as quartz stone is good.If you really want to use natural stone, or choose Mongolia black or black sands of it, because it is not easy to see black dirt.
