As people's awareness of environmental protection becomes stronger and stronger, the mining and processing of natural stone are restricted, and various man-made decorative materials begin to enter people's lives.
In people's cognition, natural stone is delicate and difficult to take care of, while artificial stone is relatively simple to take care of, and it is not easy to cause problems.
For example, inexplicable black seams, occasional degumming, hollowing, cracking, yellowing, whitening, pitting and so on.
To use and care for artificial stone in the same way as natural stone, there will be problems sooner or later. To explain this theory, we must start with the types and components of artificial stones.
1. Types of artificial stone
1. According to the different binders used, artificial stone can be divided into two categories:
①Organic artificial stone: Use unsaturated polyester resin as the cementing agent.
②Inorganic artificial stone: Inorganic materials such as cement are used as cementing materials.
2. According to the different production process, it can be divided into four categories:
①Resin artificial stone: common quartz stone belongs to this category
②Composite artificial stone: Both resin and cement are used.
③Cement-type artificial stone: Terrazzo belongs to this category.
④Sintered artificial stone: ceramic tile, floor tile, whole body brick, microcrystalline stone, etc. belong to this category.
To put it simply, the main components of our common artificial stones are either resin, cement, or fired clay. Among them, resin-type artificial stones are the most commonly used.
Two, resin artificial stone defects
Resin based artificial stone has three major defects:
1. Poor air permeability
Resin-based artificial stone has almost no air permeability, and if there is moisture at the bottom, it is difficult to evaporate.
2, prone to alkaline corrosion
Resin based artificial stone resin is unsaturated polyester resin, unsaturated polyester resin hydrolysis under alkaline conditions has irreversible. In simple terms, the alkaline solution can dissolve the resin based artificial stone, and cannot be restored.
And the cement used to lay artificial stone is alkaline, once the water absorption is easy to hydrolysis resin based artificial stone.
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