The influence of water consumption is very obvious. In the actual application of concrete engineering, sometimes if the water consumption is increased by more 1~3kg/m3, the concrete will appear serious bleeding phenomenon, which will cause defects su…
Silicon nitride ceramic is a kind of synthetic material with strong covalent bond force between silicon and nitrogen atoms in its structure, so it has the characteristics of high strength, high hardness, corrosion resistance, oxidation resistance, we…
The commonly used superplasticizers include polycarboxylate series, naphthalene series, fatty acid series, and other superplasticizers.…
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…
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…
Overview of market area prospect of nucleic acid extraction machine By region, the market is segmented into North America, Europe, Asia Pacif…
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.…
Lithium stearate is a chemical, also known as lithium octadecate, white powder or colorless crystal, widely used in high temperature lubricants.…
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…
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.…
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…
Silicon nitride ceramic materials have excellent properties such as high thermal stability, strong oxidation resistance, and high dimensional accuracy.…
As a lightweight thermal insulation material, foamed concrete has been widely used in construction projects. Some problems have also occurred during its application. When applied to thermal insulation components, due to the excessive water absorption…
Monel alloy is a kind of nickel-copper alloy.…
Boron Carbide is one of the three hardest materials known, it is not affected by hot hydrogen fluoride and nitric acid. Soluble in molten alkali, insoluble in water and acid.…
Vanadium nitride is known as VN powder, it is an important vanadium alloy additive, and vanadium nitride is used in lithium electronic batteries and energy storage materials.…
Admixtures that can greatly reduce the amount of mixing water under the condition that the slump of concrete is basically the same are called superplasticizers.…