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…
What is the use of aluminum oxide?Medical professionBecause of its hardness, bioinertia and chemical properties, alumina is the preferred material for hip replacement bearings, such as prosthetics, bionic implants, prosthetic eye substitutes, tissue…
Aluminum nitride is a kind of refractory composite ceramic material with hexagonal wurtzite structure. Pure aluminum nitride is blue-white, and aluminum nitride ceramic is usually gray or white. Aluminum nitride is stable at high temperature in inert…
Silicon nitride ceramic materials have excellent properties such as high thermal stability, strong oxidation resistance, and high dimensional accuracy.…
What is copper and nickel alloy called?There are a series of different CuNi alloy, which have different properties and can be used for different purposes, including:Cupronickel: containing 60-90% copper.Constantan: 45% nickel.Monel: at least 52% nick…
Monel alloy is a kind of nickel-copper alloy.…
Us consumers have filed a lawsuit against Mars in a California court on last Thursday, claiming that Skittles contains too much titanium dioxide (E171). Is titanium dioxide harmful to the body?Titanium dioxide is an additive used in pigments, adhesiv…
What is graphite powder used for?It can be used as demoulding lubricant in the production of chemical fertilizer industrial catalyst.Graphite powder has the characteristics of high-temperature resistant and high lubricity, so it can be used as high t…
Zinc sulfide is an inorganic compound with the chemical formula ZnS, which is a white or slightly yellow powder, which becomes darker when exposed to light.…
Recently, covid 19 outbreak spreads in Shanghai, China. There are more than 25,000 new asymptomatic domestic infections every day. China is implementing a dynamic zero-out policy. A leading respiratory expert said the key to COVID-19 prevention and c…
Early strength agent is an admixture which accelerates the development of concrete early strength and has no significant effect on later strength.…
Molecular sieves are materials with holes of uniform size (very small holes). These pores are similar in size to small molecules, so large molecules cannot enter or be adsorbed, while smaller molecules can.…
The European Commission has submitted to member states a new draft of sanctions against Russia, including an oil embargo. Some member states that rely heavily on Russian energy sought exemptions. Western media reported that the European Commission d…
Graphene is an allotrope of carbon, consisting of a single layer of atoms arranged in a two-dimensional honeycomb lattice nanostructure.…
OPEC+ is likely to stick to its plan for a small increase in oil 3D printing metal powder will continue to be influenced by the oil supply shortage. Scientists at Skoltech University in Russia used a 3D printer to create an alloy of two m…
According to statistics from China Chemical and Physical Power Supply Industry Association， China's export volume and export value of lithium-ion batteries have continued to increase. In 2021, China's exports of lithium-ion batteries were 3.428 billi…
Copper is the earliest discovered chemical element. Its chemical symbol is Cu, atomic number is 29, and atomic weight is 63.546 U.…
A rebound in oil demand in Asia and Europe's search to fill the Russian gap also had an impact on the market for the npt gland French finance minister Bruno Lemaire said on Sunday t…
A rebound in oil demand in Asia and Europe's search to fill the Russian gap also had an impact on the market for the m32 gland French finance minister Bruno Lemaire said on Sunday t…
Overview of market area prospect of explain pcr By region, the market is segmented into North America, Europe, Asia Pacific, Latin America, and the Middle East and Africa (MEA). North America is further divided…