Boron nitride is a crystal composed of nitrogen atoms and boron atoms.The chemical composition is43.6%boron and56.4%nitrogen,with four different variants:hexagonal boron nitride,rhombohedral boron nitride,cubic nitride Boron,and wurtzite boron nitrid
Silicon nitride is known as Si3N4 powder, it's a super-hard substance, which has lubricity itself, and is resistant to wear and oxidation at high temperatures.
Molybdenum carbide Mo2C is a new functional material with high melting point and hardness, good thermal and mechanical stability, and good corrosion resistance. It has been widely used in high temperature resistance, friction resistance, chemical cor
Tungsten silicide, also known as tungsten disilicide, is a dark gray inorganic silicide used in the manufacture of anti-oxidative coatings and resistance wire presses.
Boron carbide (B4C) is an extremely hard boron-carbon ceramic and covalent material used in tank armor, bulletproof vests, engine damage powder, and many industrial applications.
As the European Union tries to reduce its dependence on Russian energy, the Russian president recently said Russia would try to shift its energy exports to the east, adding that there was no way for European countries to give up Russian gas immediate
In terms of international pricing benchmarks, according to the CP data released by Saudi Aramco, the propane contract price (CP) in March was $895 / ton, up $120 / ton from the previous month, up 15.48% from the previous month and up 43.20% from the