Sand is widely used in highway construction, cement manufacturing and other industries as applications gradually expanding the gradual application of natural sand work more and more to keep up with the pace of development of the modern world needs of various industries. In most cases, machine-made sand produced to meet the great demand. Here, you can learn more about the definition of sand and its wide range of applications.

According to the definition of sand, sand is a rock particle diameter of less than 4.75 mm to remove dirt, crushed and screened while soft rock and weathered rock are not included later. Sand Specifications: fineness modulus (MX), sand specification is divided into coarse, medium and thin. This intermediate, coarse sand fineness modulus of 3.7-3.1, while the sand is 3.3-3.0, and the thin sand fineness modulus of 2.2-1.6.

Sandstone: There are many rocks used to make sand. Generally granite, basalt, natural river gravel, andesite, rhyolite, diabase, diorite, sandstone and limestone sand production intensity is different depending on the type and purpose of these rocks.

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