Mineral fiber is a kind of fiber obtained from mineral rock with fibrous structure. Its main components are various oxides, such as silica, alumina, magnesium oxide, etc. its main source is various kinds of asbestos, such as chrysotile, croc…
Iron sand, including iron shot, spraying iron sand, counterweight iron sand, mainly used for steel surface sandblasting pretreatment.
If we observe the total cost of various building materials for 30 years or more, we can see that natural colored sand is not higher than the total cost of other artificial building materials. The same conclusion is drawn from several differe…
Iron oxide is a kind of inorganic matter, the chemical formula is Fe2O3, which is red or dark red amorphous powder. 25, melting point 1565 ℃ (simultaneous decomposition).