How to judge the quality of stone?
the amount. That is, the size of stone specifications, so as not to affect the splicing, or cause stitching after the pattern, pattern, line deformation, affecting the decorative effect.
1, stone has a radioactive certificate, in the purchase, please ask the dealer. No card do not buy, at the same time pay attention to, home improvement to choose a class of products.
2, in the choice of marble and granite, we must first consider the marble, under normal circumstances, the radio is greater than the radioactive radioactive marble.
3, under normal circumstances, the stone should be considered black, gray, flesh red, green, red, from the radio point of view, from high to low, followed by: red> green> meat red> gray> white> black, basically Is this sort.
test. That is, with a simple test method to test the quality of stone is good or bad. Usually in the back of the stone drop a small amount of ink, such as ink quickly spread around the leaching, that is, the material within the loose or loose cracks in the stone, stone quality is not good; the other hand, if the ink drops in place, then the stone texture is good.
listen. Listen to the sound of the stone hit. In general, the quality of good stone its percussion sound crisp and sweet; the contrary, if there is a slight cracks within the stone or due to weathering lead to loose contact between the particles, the percussion rough dumb.
Look. That is, the visual observation of the surface structure of stone. In general, the uniform fine material structure of the stone has a delicate texture, for the stone to share; coarse and unequal grain structure of the stone its appearance is poor. In addition, the stone due to the impact of geological effects often produce some fine cracks in the stone, the most likely to rupture along these parts, should be removed. As for the lack of edges and corners is more beautiful, especially when choosing attention.
