How serious are fertility problems today? People don't want to give birth,can't afford it, and can't give birth that has become the "three mountains". The problem of childbirth is related to the people's livelihood. Whether a country can prosper or n…
Boron carbide (B4C), also known as black diamond, is gray-black and is a very hard man-made material.…
Boron carbide B4C powder has the characteristics of high melting point, high hardness, high modulus, low density), good wear resistance, strong acid and alkali resistance, good neutron absorption capacity, low expansion coefficient, thermoelectric pr…
Boron Carbide is one of the three hardest materials known, it is not affected by hot hydrogen fluoride and nitric acid. Soluble in molten alkali, insoluble in water and acid.…
Boron carbide, also known as black diamond, is an inorganic substance with the chemical formula B4C. Hard black lustrous crystal.…
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.…