The industry usually divides sand into Teisha, fine sand, medium sand, and coarse sand according to specifications. In general, the thicker the sand, the higher the strength of the formulated cement mortar, but if the strength is too high, it will lead to some bad results, such as cracking the leveling ground, so it is recommended to use sand in the home wear . In the market, the finer sand prices are cheaper, so beware of unscrupulous merchants using fine sand instead of coarse sand. In addition, experts also reminded consumers to use vigilance against unscrupulous traders to replace sand and sand with sea sand instead of natural sand or river sand. It is forbidden to use sea sand in building decoration because the sea sand is clean, but the salt is high and the alkali is large, which has a great impact on the quality of the project. To tell whether it is sea sand or not, you can check if there is a tiny sea creature shell in the sand. In addition, whether it is natural sand or river sand, it must be screened after buying it. of course, Entrance decoration restaurant decoration cement home decoration Testing Equipment Of Guide Rail
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Consumers can tell the quality of sand by feel and soil content. Consumers can bring their own (point to the neighbours of the decoration) or ask merchants to provide four types of sand to distinguish which is the medium sand. In addition, the finer the sand, the higher the amount of soil.
There are also sands that have already been screened in the market, but the price is about 1/3 higher. Consumers should choose according to their economic affordability.
Sand should also be carefully selected
If there is no sand in the cement mortar, the solidification strength will be almost zero, and the quality of the sand will directly affect the performance of the cement mortar.