How to buy natural stone. At a glance, the surface structure of the stone is visually observed. Surface material structure is uniform, no cracks, trachoma, different color spots, stains and depressions are the top grade stone. On the contrary, the appearance and quality are slightly inferior. In addition, attention should be paid to the presence or absence of subtle cracks or missing corners in the stone, which may lead to the fracture of the stone. The two quantities, that is, the size of the stone, so as not to affect the splicing, or cause the spliced ​​pattern, pattern, line deformation, affect the decorative effect. Three listen, that is to hear the sound of stone knocking. The sound of good quality stone knocking is crisp and sweet. On the contrary, if there are fine cracks in the interior of the stone or loose particles due to weathering, the knocking sound is rough. Four tests, that is, using a simple test method to check the quality of stone. A small drop of ink is dropped on the back of the stone. If the ink quickly spreads and leaches out, it indicates that the internal particles of the stone are loose or there are gaps. The quality of the stone is not good. Conversely, if the ink droplets do not move in place, it means that the stone material is fine.
How to buy artificial stone. Due to the current flood of inferior products in the building materials market, there is a wide variety of non-stone-making products. Therefore, artificial stone must be learned to distinguish between authenticity and fakeness. At first glance, the visual color of the sample was not cloudy, and there was no plastic-like texture on the surface, and there were no small pores on the opposite side of the plate. Two smells, nose smells no pungent chemical smell. Three touch, hand touch the surface of the sample has a sense of silk, no astringent, no significant level of unevenness. Four strokes, the surface of the sheet with nails, no obvious scratches. Five touches, the same two samples hit each other, not easily broken.
In addition, experts have reminded consumers that the easiest way to identify the quality of artificial stone is to pour a model plate of soy sauce or oil on the surface, or to perform a wear test to observe its antifouling and abrasion resistance.
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