For billionaires, the new crown epidemic is like a 'gold rush'! The Deutsche Presse-Agentur said on the 17th that in 2022, the wealth held by the world's top ten richest people will jump from $700 billion to $1.5 trillion, an average daily increase o…
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.…