What is the square brick?
Square bricks are a type of wear-resistant brick. Mainly used in public places such as leisure plaza, municipal engineering, landscaping, beautiful roof, garden balcony, shopping mall supermarket, school hospital, automobile 4S shop and so on. The color of the brick body is simple, the brick surface is small in size, and the concave and convex surface is often used. It has the characteristics of non-slip, wear-resistant and easy to repair.
Molybdenum was a relatively late discovered metal element, which was first extracted from molybdenite in 1792 by Swedish chemists. Molybdenum has been widely used in industry because of its high strength, high melting point, corrosion resistance, abrasion resistance and so on.
In the metallurgical industry, molybdenum is used as an additive for the production of various alloy steels, or with tungsten, nickel, cobalt, zirconium, titanium, vanadium, rhenium and other advanced alloy, in order to improve its high temperature strength, wear resistance and corrosion resistance. Molybdenum alloy steel used for the manufacture of transport equipment, locomotives, industrial machinery, and all kinds of instruments. Some 4% to 5% stainless steel containing molybdenum chemical used in the production of precision instruments and equipment for use in marine environments. With 4% ~ 9.5% high-speed steel manufacturing of high-speed cutting tools. Molybdenum and nickel chromium alloy for corrosion of metal components, aircraft parts manufacturing locomotives and cars on the. Alloys of molybdenum and tungsten, chromium, and vanadium are used to make alloy components and components for warships, tanks, guns, rockets, satellites.
Molybdenum is widely used as heating material and structural material, large electrode and gate, semiconductor and electric light source material for vacuum furnace. Because of thermal neutron capture cross section Mo small and high strength, but also can be used as structural materials in nuclear reactors.
In the chemical industry, mainly used for lubricant, molybdenum catalyst and pigment. Molybdenum disulfide has good lubrication properties at high temperature and high pressure because of its lamellar crystal structure and surface chemical properties. It is widely used as additive in oil and grease. Molybdenum is a catalyst component in the process of hydrogen desulfurization and other refining processes. It is used in the oxidation reduction reaction of ethanol, formaldehyde and oil based chemicals. Molybdenum orange is an important pigment pigment. Chemical products of molybdenum is widely used in dyes, ink, color dye, anticorrosive primer in precipitation.
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