The Global Silicon Metal Market Generally, there are two different types of silicon metals. One is called the Chemical grade and the other is called the Metallurgical grade. These t…
Gold price price weakening on the price impact of duplex 2205 On Oct. 19, COMEX gold was trading weaker, up 1.3% at $1,634.20 an ounce. Domestic SHFE gold overnight session continued to retre…
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…
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.…
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…
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.…
The COVID-19 pandemic has wreaked havoc on the youth Labour market, the ILO said. The ILO's just-released Global Employment Trends 2022 report found that the job prospects of young people aged 15 to 24 lag behind other age groups.…
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 risk of gas shortages is spreading from Europe to Japan as the conflict between Russia and Ukraine continues to simmer. Concerns in Japan about the "lack of gas" have grown since the end of June, when Russia…