Because the steric hindrance of the extended polymer side chain effectively hinders the secondary agglomeration between cement particles, so the product has high dispersion performance and can maintain this performance for a long time to realize the…
The purchasing pace at the demand end of the international thermal coal market continues to slow down and the international thermal coal price continues to decline. Prices for thermal coal at major international ports continued to fall last week as b…
Brazil, the world's largest sugar producer, has recently switched to ethanol zinc oxide price is predicted to go higher in the future. Nano zinc oxide can be used in surface coating products and used in space vehicles, and there has been…
The recent visit by US House Speaker Nancy Pelosi has boosted US-Taiwan relations at a time of increasing tension between Washington and Beijing. She vowed that the United States would protect Taiwan's democratic autonomy. "The United States is still…
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.…
In this article, defoamer, anti-shrinkage agent, preservation agent, and inhibitor will be talked about.…
What is gallium-nitride? GAN, which is the third-generation of semiconductor materials after SIC and Diamond and the other semiconductor materials such as the first-generation GE, SI conductive materials and the second-generation GaaS, INP INP compos…
In this article, we will talk about the problems when water reducer meets different kinds of cement and solutions.…
What does calcium hydride mean? Calcium Hydride is a chemical compound. The laboratory uses CA, H2 and heat to create CAH2. CAH2 can be described as a compound of an ion. Chinese name for CAH2 is calcium hydroide. The molecular form of CAH2 can be fo…