Tungsten boride, also known as black powder, has the following physical properties: Molecular formula WB2, metal conductivity. Purity>99%Particle size range: 10-20um About Tungsten Boride WB2: Tungsten-boride, is a mixture of tungsten with boron…
It is reported that the central bank decided to raise the interest rate to 20%. Among them, the interest rate hike is to ensure that the deposit rate is raised to the necessary level to compensate for the increased risk of devaluation and inflation,…
In this article, the set retarder, the air-entraining agent, and the accelerating agent are going to be talked about.…
According to foreign media reports, diamonds are forever and gold is precious, but which one is rarer? Is their rarity proportional to the price of jewelry in a jewelry store? In fact, the answer may not be as obvious as you might think. Gold, a heav…