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Russia's insistence on paying for Russian gas in rubles has rattled European countries: Greece held an emergency meeting of suppliers, the Dutch government would urge consumers to use less gas, and the French energy regulator told consumers not to pa…
The purchasing pace at the demand end of the international thermal coal market continues to slow down and the international thermal coal price continues to decline. Prices for thermal coal at major international ports continued to fall last week as b…
The first method is direct nitridation of titanium powder or TiH2.…
Adding polycarboxylate superplasticizer can make the compressive strength of precast concrete reach 40MPa grade at 8h to 18h.…
First of all, pay attention to the storage environment of polycarboxylate superplasticizer, try to store polycarboxylate superplasticizer in a cool, ventilated, no direct sunlight place.…
Expandable graphite or exfoliated graphite is made from the naturally occurring mineral graphite. The layered structure of graphite allows molecules to be inserted between the graphite layers. By adding acid, graphite sulfate can usually be converted…
In terms of the adaptability of cement and concrete superplasticizer, the type and quality of concrete superplasticizer also play an important role. Therefore, concrete superplasticizers should be selected according to the adaptability to cement and…
Foamed concrete is a highly entrained sand cement with at least 20% air volume in the cured product.…
Due to the laminar structure of graphite, atoms or small molecules can be introduced between the carbon layers (intercalation）…
Natural graphite is a refractory material with a high melting point of 3650 °C, and it is a good conductor of heat and electricity.…
Oil futures tumbled more than $5 a barrel on news that the Biden administration is considering releasing about 1 million barrels a day from the U.S. Strategic Petroleum Reserve (SPR) for several months to cool surging crude prices.Brent crude futures…
all graphite materials obtained by organic carbonization and then graphitization at high temperature can be called artificial graphite, such as carbon fiber, pyrolytic carbon, foamed graphite, etc…
Pink powder containing the chemical Er2O3 is called Erbium Oxide. It absorbs moisture easily and carbon dioxide quickly. If heated to 1300 degrees Celsius, the hexagonal crystals form and it does not melt. Purity: 99.9%Particle Size: -100 Mesh Abou…
Antimony telluride has the chemical formula Sb2Te3. It is a topological insulater.Particle Size: -80mesh and -100mesh Purity: 99.99% Antimony Telluride sb2Te3 powder Antimony telluride chemical form Sb2TE3.Molecular Weight 626.30.Gray Solid.Mel…
Regarding the future development of the real estate market, an economic expert once bluntly stated: "Buying a house is much less than money." He said that the current real estate market hype is not suitable for buying a house. Not only has ...…