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…
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…
ZnO is used as reinforcing agent and active agent in rubber or cable industry, as colorant and filler of white rubber, and as vulcanizing agent in neoprene rubber.…
Diamonds are forever, Gold is precious but which is rarer? Gold is a heavy metal formed during the collision of neutron stars and is one of the rarest elements on Earth.During the formation of the earth, heavy elements gradually accumulated towards t…
Nanomaterials are used in many industries, from health care and cosmetics to environmental protection and air purification.…
Under the spread of the new crown epidemic, after Americans experienced life and death, they set off the largest "resignation wave" in history, and the number of resignations broke the highest record since statistics began in 2000. Since April this y…
At first, concrete additives were used only to save cement. With the development of construction technology, admixture has become the main measure to improve the performance of concrete.…
France's annual inflation rate hit 6.1 percent in July 2022, rising further from 5.8 percent in June, the highest since July 1985, the National Institute for Statistics and Economics (Insee) said.…
Adding polycarboxylate superplasticizer can make the compressive strength of precast concrete reach 40MPa grade at 8h to 18h.…
In terms of action mechanism, the molecular structure of polycarboxylate superplasticizer is comb type, and the polar anion…
Silicon carbide is used to make bulletproof armor.…
Is boron amorphous or crystalline?Boron can be prepared in several crystalline and amorphous forms. The well-known forms of crystallization are α-rhombohedral (α-R), β-rhombohedral (β-R) and β-tetragonal (β-T). In spec…
Tungsten disulfide Nanoparticles as well as coatings whether you're a professional an amateur, or just trying to find a reasonable method to keep your equipment operating smoothly, there are plenty of options for greases and paints. There are many o…
Foam cement insulation layer has incomparable insulation performance and structural layer adhesion performance, it is convenient for construction, environmentally friendly, efficient, time-saving, etc.…
ChlorHexidine Acetate, Hibitane, white crystalline powder. It has a melting point between 154 and 157 degrees Celsius. The solubility of the product in water is 20 degrees Celsius at 1.9 g / 100mL. This compound is insoluble in ethanol. It has a mild…