What should be paid attention to when using concrete admixtures(2)?
In the process of concrete mixing, the mixing method of admixture has a great influence on the effect of admixture.…
In the process of concrete mixing, the mixing method of admixture has a great influence on the effect of admixture.…
Admixtures can be used for almost all kinds of concrete, but suitable admixtures must be selected according to engineering needs, construction conditions and construction technology.…
Affected by the conflict between Russia and Ukraine, this year the European electrolytic aluminum production capacity is declining, as Russia this week stop running indefinitely "Nord stream no. 1" gas pipeline, electricity prices in Europe rose shar…
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…
Polycarboxylate superplasticizer has more advantages than traditional naphthalene and aliphatic superplasticizer in mixing high strength grade concrete, but its advantages of high water reduction cannot be brought into full play when the strength is…
Natural river sand has been exhausted after decades of large-scale mining, concrete production enterprises began to use machine-made sand as fine aggregate on a large scale.…
The first method is direct nitridation of titanium powder or TiH2.…
Adding polycarboxylate superplasticizer can make the compressive strength of precast concrete reach 40MPa grade at 8h to 18h.…
Sweden is in talks with Turkey on joining NATO and looks forward to strengthening cooperation with Turkey in security and counter-terrorism, Swedish Prime Minister Anders Andersson said recently. Andersson held a joint press conference with visiting…
Recently, the Bulgarian Gas Company said that Bulgaria is negotiating with Gazprom on resuming natural gas supply, and there is a possibility that Russia will resume natural gas supply to Bulgaria.Since the outbreak of the conflict between Russia and…
First of all, pay attention to the storage environment of polycarboxylate superplasticizer, try to store polycarboxylate superplasticizer in a cool, ventilated, no direct sunlight place.…
Thermal insulation materials refer to materials or material composites that have significant resistance to heat flow.…
Tungsten disulfide is an extremely smooth dry film lubrication coating.…
Hafnium hydroide, chemical formula: HfH2, is a black-gray powder that's mainly used for the aerospace industry and atomic power industry. Purity: 99%Particle size : 325mesh Hafnium Hydroide HfH2 powder: A grey-black powder, Hydride Hafnium (HfH2…
Proprylene monomethyl-ether is an odorless, transparent liquid, which is miscible in water. Its relative density is 0.9234.Solvent, dispersant or diluent. About PM Propylene Glycol Monomethyl Ether: Propylene and ethylene glycol are alcohol ether…