Green chrome oxide (Cr2O3 powder) is extremely stable and have excellent weather resistance. It's insoluble in water, acid and organic solvents, slightly soluble in sodium hydroxide solution, only soluble in hot sodium bromate solution, hot concentra…
Boron carbide (B4C) is grayish black and is a very hard man-made material.…
In the European market, due to the heat wave in Europe, the Rhine River, one of the main traffic arteries in Europe, has fallen sharply, causing logistical problems for barges transporting i…
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…
Adding polycarboxylate superplasticizer can make the compressive strength of precast concrete reach 40MPa grade at 8h to 18h.…
European gas prices rose sharply on August 16, with Dutch TTFSeptember gas futures, seen as a bellwether for European gas prices, soaring more than 10% in a single day to their highest intraday price since early March.…
Zirconia toughened alumina is a kind of ceramic material composed of alumina and zirconia.…
The impermeability of concrete is related to its porosity and pore structure.…
Boron carbide (B4C), also known as black diamond, is gray-black and is a very hard man-made material.…
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.…
Although hydrogen fuel is a promising alternative to fossil fuels, the catalyst it relies on for power generation is mainly composed of rare and expensive metal platinum, which limits the wide commercialization of hydrogen fuel.…
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…