The wide application of mineral admixtures mainly derived from industrial solid wastes diversifies the composition of cementitious materials, which is one of the main characteristics of modern concrete.…
Adding polycarboxylate superplasticizer can make the compressive strength of precast concrete reach 40MPa grade at 8h to 18h.…
Continental natural gas futures closed up 6.7% Thursday at a record high, with European gas prices already ten times higher than usual for this time of year. Benchmark electricity prices in Europe also hit a new record Thursday, deepening an energy c…
The impermeability of concrete is related to its porosity and pore structure.…
Polycarboxylate superplasticizer is based on unsaturated polymerizable monomers with active groups such as carboxyl group, sulfonic acid group, hydroxyl group and polyoxene group as raw materials.…
According to the different molecular structure, it can be divided into four generations of polycarboxylate series superplasticizer, the first generation is acrylic acid copolymer, the second generation is propylene ether type, the third generation is…
In terms of action mechanism, the molecular structure of polycarboxylate superplasticizer is comb type, and the polar anion…
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.…
Health care workers who received the fourth dose of the Pfizer coronavirus vaccine had a significantly lower risk of contracting arcanocron than their counterparts who received only three shots, according to a study released Tuesday.…
The supply of drugs used to fight opioid addiction has declined during the pandemic The per capita supply of methadone in the United States dropped 20 percent from the first quarter of 2020 t…
The U.S. has reported more than 3,800 cases of monkeypox, the most of any country, according to government health data. The increase in the number of cases has reportedly prompted the Biden administration to consider declaring a national health emerg…
Greek Environment and Energy Minister Skrekas announced on July 25 that the Greek government will intervene strongly in electricity prices in August to help all Greek households and businesses out of the financial pressure caused by high electricity…
There are several kinds of water reducers: lignosulfonate, naphthalene sulfonate water reducing agent, polycarboxylate-based high-performance water reducing agent.…
Aluminium buyers in the US physical metal market have held off on new orders amid fears of a recession triggered by rising inflation and supply chain crises. Spot aluminium trading on the market has been suspended in recent weeks, according to indus…
Other five kinds of water-reducing agents: sulfamate high-efficient water reducer, fatty acids high-efficient water reducer, HSB aliphatic superplasticizer, powder polycarboxylate, casein will be introduced.…