Category: Materials

River Sand is a kind of small particle produced by repeated impact, collision or friction of stone by river in a long period of natural...

What is Coal Coal is a flammable black or brownish-black sedimentary rock, which is usually formed in lithostrata or veins known as coal beds or...

Quartz sand is an important raw material for nearly 100 kinds of industrial products, such as glass, electronics and electrical appliances, optical fiber semiconductors, water...

Definition of Gypsum Gypsum ( CaSO4·2H2O) is a natural monoclinic minera, Its main chemical component is calcium sulfate hydrate, which is widely distributed in the salt...

Asphalt pavement refers to the various types of pavement which is paved with mineral materials mixed with road asphalt materials. Asphalt binder improves the ability...

What Is Asphalt Concrete Asphalt concrete, also known as bituminous concrete, is a mixture of crushed stone or crushed gravel, stone chips or sand, mineral...

Many types of rocks in nature are the main raw materials of building sand, which can get different specifications of building aggregates after crushing and...

What is Quartz Sand Quartz sand is a kind of quartz particle formed by crushing quartzite. Quartzite, also known as siliceous rock, is a hard...

What is Magnetic Minerals Some minerals with magnetism are usually called magnetic minerals. The magnetism of mineral refers to the property that mineral is attracted...