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The World Bank expects global economic growth to slow significantly, from 5.5% in 2021 to 4.1% in 2022 and further to 3.2% in 2023. Growth in East Asia and the Pacific is expected to slow to 5.1 percent in 2022, reflecting the impact of China's econo…
Geneva, Russian Sputnik news Agency - The United Nations Conference on Trade and Development (UNCTAD) released a report on the 28th that higher global food prices and charter prices will lead to a 3.7 percent rise in food prices.…
Early strength admixture refers to the admixture that can improve the early strength of concrete and has no significant effect on the later strength.Superplasticizer for concreter is a concrete admixture that can reduce the amount of mixing water whi…
Japan urges 37 million people to turn off lights, BBC reported On Monday, highlighting the country's severe power shortage. According to Japan's NHK television reported that affected by conti…
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…
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…
After the pce superplasticizer is added to the cement, the sodium aluminate and sodium carbonate in its main components react rapidly with the gypsum in the cement to form sodium sulfate in the alkaline solution, so that the gypsum loses its original…
Superplasticizer used in concrete refers to the fact that after mixing, it can reduce the water demand of concrete under the condition of maintaining basically the same fluidity, thereby improving the strength and durability of concrete, or under the…
Polycarboxylate superplasticizer has high surface activity and good foam retention, which will affect the strength of concrete due to excessive gas content.…
Concrete water reducing agent is one of the technical ways to reduce the cement dosage, improve the utilization rate of industrial waste residue, and realize the durability and high performance of concrete.…
Foam concrete is a highly workable low-density material containing up to 80% air.…
Concrete is an indispensable raw material in the construction of construction projects. In the process of preparing concrete, in order to improve the performance of concrete, it is necessary to add water reducing agent after adding water, stone, sand…
The World Bank expects global economic growth to slow significantly, from 5.5% in 2021 to 4.1% in 2022 and further to 3.2% in 2023. Growth in East Asia and the Pacific is expected to slow to 5.1 percent in 2022, reflecting the impact of China's econo…
CrN is the common name for chromium nitride. It is resistant to corrosion as well as oxidation. Purity: 99%Particle size 325 mesh More information about Chromium Nitride CRN Powder Chromium nitride It is used to coat precision metal parts. C…
Heap of nanoparticlesThe pile of nanoparticles can be separated right into 2 kinds: soft load and difficult heap. Soft jumble is mostly brought on by the electrostatic pressure in between fragments and van der Waals force. Due to the weak pressure, s…