The boss of Leclerc supermarket Group, France's largest food retailer, said recently that in order to cope with the energy shortage, the Leclerc Group may shorten the opening hours of its stores.In an interview with French News Radio, Leclerc said th…
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.…
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. With a…
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…
From June 1 ！ major companies increase delivery prices With all efforts to suppress the price increase, although some of the skyrocketing raw materials have been corrected, there are still many chemical raw materials that are hard to return on the wa…
Tantalum Diboride (also known as Tantalum Boride) is a powder with the chemical name TaB2. Tantalum Diboride is insoluble in acids. Purity>99%Particle Size: 325 Mesh Tantalum Boride Powder tantalum diboride or tantalum boride is gray powder. The T…
Foamed concrete is also called foamed cement, lightweight concrete, etc. Foamed concrete is a concrete product formed by introducing air or nitrogen, carbon dioxide, oxygen and other gases into the concrete slurry with a large number of small closed…