Spherical molybdenum powder is a metal molybdenum powder state, a gray metal powder appearance, up to a purity of 99.95%, melting point of 2622°C, a boiling point of 4825°C, a density of 10.3g/ml, spherical degree up to 98%.…
If the compatibility of polycarboxylate superplasticizer and cement is not good, the concrete mixture is prone to some problems, such as segregation, bleeding, greater slump loss, shorter setting time and so on, so that the concrete mixture can not b…
The U.S. and its allies plan to impose sanctions on more Russian industries and supply chains.The US government representatives recently visited Europe to consult with allies on strengthening and enforcing sanctions to punish Russia. They also plan t…
As an admixture, superplasticizer is added to concrete to reduce water consumption and increase the strength of concrete. At present, the high-performance water-reducing agents used in concrete engineering are mainly polycarboxylic acid superplastici…
Concrete is a mixture of a graded aggregate, sand, water, and cement. It is necessary to study the influence of concrete components on the effect of the high-efficient superplasticizer in order to give full play to their due effect.…
Boron nitride powder is a pure white ceramic material with a hexagonal crystal structure similar to graphite. It is a product with high temperature resistance, corrosion resistance, high insulation and good lubricity.…
GH4049 is a nickel-based superalloy, which is an age-hardening alloy. The corresponding grade is GH49. Its nickel content is about 70%.…
Using concrete additives is the most effective, economical, and simple technical way to reduce the cement dosage, improve the utilization rate of industrial waste residue, and realize the high durability and performance improvement of concrete.…
Researchers at Chalmers University of Technology in Sweden have proposed that a new type of graphene could be used as a special effect material for the production of high-performance electrodes for sodium batteries.…
Performance of China domestic bearing steel market In June, China domestic bearing steel prices showed a downward trend, and the overall market situation was not good. Due to the particularity of the season, the country is basically in a state of hig…
The price of chemical products has risen, and the performance of chemical companies in c hina has increased CCTV News: Chemical products are downstream products of crude oil. They are the raw materials for most of the products used in daily life. Rec…
The price of chemical products has risen, and the performance of China chemical companies has increased Chemical products are downstream products of crude oil, and they are the raw materials for most of the products used in daily life. Recently, due…