With the wide application of polycarboxylate superplasticizer, the requirement of concrete early strength in practical engineering is more and more prominent, so the polycarboxylate superplasticizer has been the focus of research to meet the early st…
Chromium carbide powder is a high melting point inorganic material with good wear resistance. It is used as a thermal spray material for metal surface protection and is also commonly used as cemented carbide.…
For billionaires, the new crown epidemic is like a 'gold rush'! The Deutsche Presse-Agentur said on the 17th that in 2022, the wealth held by the world's top ten richest people will jump from $700 billion to $1.5 trillion, an average daily increase o…
Concrete is classified as high-strength concrete based on 28-day strength. Until the 1970s, concrete with a strength of more than 40Mpa was classified as high-strength concrete.…
Nano silicon powder is a new generation of wide bandgap energy semiconductor optoelectronic semiconductor material, and it is also a high-power light source material.…
Amorphous boron powder is a black or dark brown powder and is an important energy material. Amorphous boron powder is widely used in metallurgy, electronics, medicine, ceramics, nuclear industry, chemical industry and other fields.…
Inconel 625 alloy is a non-magnetic, corrosion and oxidation resistant nickel-chromium alloy.…
The composition is Ti6AAlV4 (titanium six aluminum four vanadium), the material is small in specific gravity, light in weight, and has very good mechanical properties and corrosion resistance, suitable for aerospace and automobile manufacturing field…
Inconel625 alloy (UNS6625) is an austenitic superalloy with nickel as the main component. It has excellent properties of extensive oxidation resistance and corrosion resistance.…
The types of chemical admixtures concrete The types of chemical admixtures is an admixture that can greatly reduce the amount of mixing water under the condition of the same slump of concrete. The plasticizer is a kind of concrete admixture that can…
The admixtures in concrete to increase strength in concrete The admixtures in concrete to increase strength is an admixture that can greatly reduce the amount of mixing water under the condition of the same slump of concrete. The plasticizer is a kin…
According to the statistics: On March 3, the main price of wire screws rose in China. Among the 52 sample cities, 33 cities rose, with an increase of 10-50, accounting for 63.46%, while the remaining 19 cities remained stable for the time being, acco…