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Is machine-made sand better than natural sand?

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Asker:Pike
Ask Date:2018-11-24 10:18
Question:Is machine-made sand better than natural sand?
Detail:Is machine-made sand better than natural sand?

Reply:

Hi Pike. Thank you for your question.

The development of infrastructure has greatly stimulated the demand for sand aggregate, but it has also brought about ecological problems of natural sand resources shortage. Earlier, people had not yet mastered the technology of artificial sand preparation, and they wantonly exploited sand and gravel in rivers which cut down riverbed, depressed water level, seriously affected flood control safety. In recent years, the government and relevant industrial departments have urgently called for the prohibition of illegal sand mining, and severely cured the excessive exploitation of natural sand. Under the double pressure of aggregate demand increasing and natural sand quantity decreasing sharply, machine-made sand has come to the market.

Compared with natural sand, machine-made sand takes advantages of stable source, controllable grain size, gradation and fineness, and good surface energy and hydrophilicity. Its ruggedness and durability have reached the national quality index. In fact, the relationship between machine-made sand and natural sand should not be a kind of "contest". Both of them have their own advantages. As the assistant of natural sand, machine-made sand has solved a big problem for industrial development and ecological maintenance.

Liming Heavy Industry (Shanghai)

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