The main composition of sandstone is seasonable, and there are a small amount of iron ore, clay and other substances. It comes from nature, from nature. No harmful substances, no radioactive substances, no need to worry about harm to human body. Practically speaking, its hardness is comparable to marble and quartz stone, and it will not be weathered and discolored. The sandstone relief formed one or two hundred years ago is still preserved, intact and with the same style. There are several varieties such as yellow sandstone relief and white eye relief. In addition, this kind of relief is very time-consuming to carve because of its high hardness, so indoor and outdoor decoration is very expensive.
Sandstone relief is three-dimensional and plane, which can exist independently or be attached to something. Generally speaking, its shape is designed according to the needs of viewing and decoration. The combination of plane sandstone relief and painting is closer, and the techniques are also diverse. Can better set off the theme image. Three-dimensional sand sculpture embodies the characteristics of general sculpture, and its three-dimensional sense gives people a stronger visual experience.
Although the sandstone relief is hard and firm, it also needs maintenance and repair. Like ordinary natural stone, it is porous and easy to absorb water and oil. Excessive water absorption and pollution can also cause its pathological changes. Such as cracking, peeling and spots. Very annoyed, therefore, sandstone relief does not need to be washed many times.
Generally, stone is afraid of acid attack, and sandstone is no exception. If there are too many substances in contact with strong acid, the calcium carbonate in it will decompose and the surface will be eroded, resulting in a yellow sand sculpture surface. Therefore, sandstone relief should be placed as far away from strong acidic substances as possible, and it is best to wax it by professional means.
Do not use chemical cleaning agents that are too irritating when cleaning, or the surface will lose its luster. Use clean water or mild cleaning agents. This is the basic situation of sandstone relief, which many people may not have seen. Today, it's a long journey through Bian Xiao!