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.
Tungsten Sulfide (WS2) or Tungsten Disulfide is a very smooth dry film friction coating.
Gold is a high-quality hedge hedging tool, favored by investors. Especially in recent years, with the increasing instability of the world economy, gold has become one of the preferred asset allocations of investors because of its functions of hedging
In this article, we will talk about the problems when water reducer meets different kinds of cement and solutions.
Now China has become a powerful country in science and technology, but do you know how powerful China's technology is? The manned space station alone is not enough, and now it has successfully broken through the key technology of nuclear fusion, even
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
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At 23:36 local time on the 16th (22:36 Beijing time on the 16th), a strong earthquake occurred in the waters near Fukushima Prefecture, Japan. Early this morning, the Japan Meteorological Agency revised the magnitude from 7.3 to 7.4. So far, the eart