Silicon nitride is a kind of ceramic material with excellent thermal and chemical properties, which has high hardness, stable structure, low coefficient of thermal expansion, good oxidation resistance and corrosion resistance.…
Silicon nitride is a compound of silicon and nitrogen. Si3n4 is the most thermodynamic stable in silicon nitride.…
The roble had hit a record low after the West imposed sweeping sanctions on Russia for its aggression in Ukraine. Russia's president recently ordered exports of Russian gas to "unfriendly" countries to be settled in robles. The speaker of Russia's up…
Hasad Foods, the agricultural investment arm of Qatar's sovereign wealth fund, said the government would increase its grain reserves from 250,000 tons to 300,000 tons in the near future, which is enough to feed the population for six months. Wit…
Europe's largest economy, Germany, recently activated an emergency plan to manage gas supplies that the natural gas could be rationed if supplies are disrupted or disrupted by a stand-off over Russian demands to pay for fuel in rubles. German Vice-C…
Amorphous graphite is usually formed by contact metamorphism of anthracite coal seams with metamorphic agents (e.g. tectonic stress, magma, etc.).…
It's soluble in the water, and it has excellent permeability. JFC-1 Penetrating agent: Soluble in the water, excellent permeability. Turbidity does not affect permeability. It is a global trusted brand Penetrating agent JFC-1 . Send an inquiry…
Ethoxylated propoxylated, a non-ionic low-foam surfactant, has excellent emulsification of calcium soap and dispersion. It is also resistant to hard water, electrolytes and has excellent lubrication properties. The ethoxylated and propoxylated subs…