Stone engraving machine stone purchase quality good or bad four identification methods
For finished finished stone, the quality can be identified from the following four aspects:
One view, that is, the surface structure of the stone is observed by the naked eye.
In general, the uniform fine material structure of the stone has a delicate texture, which is a good stone; the coarse grain and the unequal grain structure of the stone have a poor appearance. In addition, due to the influence of geological effects, the stone often produces some fine cracks in it, and the stone is most likely to rupture along these parts, and should be removed. As for the lack of edges and corners, it is more important to affect the appearance, especially when choosing.
The second quantity, that is, the size specification of the stone, so as not to affect the splicing, or cause the pattern, pattern and line deformation after splicing, affecting the decorative effect.
Three listening, that is, listening to the sound of the stone
In general, the sound of a good quality stone is crisp and pleasing; on the contrary, if there is a slight crack inside the stone or the contact between the particles becomes loose due to weathering, the knocking sound is rough.
Four tests, that is, using a simple test method to check the quality of the stone
