China's trade in goods totaled 23.6 trillion yuan in the first seven months of this year, up 10.4 percent year on year, according to the General Administration of Customs. Foreign trade has overcome many adverse effects and achieved rapid growth. Dol…
The European Medicines Age ncy (EMA) said on Tuesday it had begun a "rolling review" of Pfizer and BioNTech's Novel Coronavirus booster vaccine.…
In the past two months, on the background of weaker demand expectations, international crude oil prices have fallen by more than 20%. Analysts said that the poor macro data of major overseas economies, under the expectation of economic recession, cru…
Lithium stearate is a chemical, also known as lithium octadecate, white powder or colorless crystal, widely used in high temperature lubricants.…
Silicon carbide is used to make bulletproof armor.…
Factors affecting freight forwarder transit time Freight transportation In international freight transport, one of the most concerning issues is the price of freight transport. The cost is di…
The chemical formula TiC has a molecular weight of 59.89.Grey powder,usually used for making cemented carbide,also used as electrode and abrasive of arc lamp.…
Cuprous oxide is a bright red powder, almost insoluble in water, decomposed into divalent copper and copper in acidic solution, and gradually oxidized into black copper oxide in humid air. Commonly used as a pigment, biocide and antifouling agent in…
Copper oxide,chemical formula CuO. It is a black oxide of copper,slightly amphoteric and slightly hygroscopic.The relative molecular mass is 79.545,the density is 6.3～6.9 g/cm3,and the melting point is 1026℃.…
Boron nitride is a crystal composed of nitrogen atoms and boron atoms.The chemical composition is43.6%boron and56.4%nitrogen,with four different variants:hexagonal boron nitride,rhombohedral boron nitride,cubic nitride Boron,and wurtzite boron nitrid…
Lithium 12-hydroxystearate is widely used in lubricants, stabilizers, bleaching agents, and thickening agents.…
Silicon nitride is known as Si3N4 powder, it's a super-hard substance, which has lubricity itself, and is resistant to wear and oxidation at high temperatures.…
The chemical formula of chromium diboride is CrB2, which is a crystal with high hardness and melting point, and is chemically stable. Concentrated nitric acid is insoluble and can be directly mixed with elements or made from active metal reduction ox…
Silicon nitride is known as Si3N4 powder, it's a super-hard substance, which has lubricity itself, and is resistant to wear and oxidation at high temperatures.…
Sodium myristate is ultra fine white powder, it has excellent lubricating, dispersing and emulsifying ability.…
Potassium stearate is a fine white, fluffy powder. It has a smooth feel, no sand, and has a fatty smell. It is soluble in hot water or alcohol.…
Molybdenum silicide is also called molybdenum disilicide.Its chemical formula is MoSi2.It has conductivity and is a high-temperature material with excellent performance.…
Silicon nitride ceramic materials have excellent properties such as high thermal stability, strong oxidation resistance, and high dimensional accuracy.…