Which kind of marble is the best
Artificial marble is made of natural marble or granite gravel as filler, cement, gypsum and unsaturated polyester resin as binder, after mixing, grinding and polishing. The transparency of artificial marble is not good, and there is no gloss. Identification of artificial 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. In the specific purchase of artificial marble, to be compared from the following points: look at the color of the sample samples to be pure color is not muddy, the surface is not similar to the plastic gum, the plate side without small pores. Smell the sample with the nose and smell it. The surface of the sample surface should be like silk like smooth feeling, no astringent feeling, no obvious uneven feeling. Nail plate surface with no obvious scratch. The same two pieces of percussion, not easy to break. Check whether the product has ISO quality system certification, quality inspection report, whether the product quality card and related security signs. The surface color is even, pure, no colloid feeling. It can also be seen from the side of its internal and stomatal situation. The purchase of artificial marble must pay special attention, not only depends on the quality, but also pay attention to environmental performance and after-sales service.
In the import of artificial marble, the best in Italy. Price and domestic difference of about 100 yuan per square meter.Natural stone has a certain amount of radioactivity, but the impact on the human body is not as exaggerated as imagined.Choose marble key to distinguish A, B, C three stone standard. According to the National Building Materials Bureau and the Ministry of Health jointly developed the building materials industry standards JC518-93Natural stone products radiation protection classification control standard "stipulated in the class a radiation is relatively small, the use of unrestricted; class B except not easy for the decorated rooms, available elsewhere; the C class is only available building decoration.
Natural marble and artificial marble marble is divided into two categories, natural marble in China there are more than and 400 varieties of expensive Beijing Fangshan white marble, white jade, Shu Sichuan Baoxing Sichuan Nanjiang, Yunnan Nanjiang red Dali Cangshan white, price of about 600 per square metre to 700 yuan, belong to the luxury decoration materials, artificial the marble family decoration can be used around 200 yuan per square metre.
