Problems when using pce powder
In terms of action mechanism, the molecular structure of polycarboxylate superplasticizer is comb type, and the polar anion…
In terms of action mechanism, the molecular structure of polycarboxylate superplasticizer is comb type, and the polar anion…
Thermal insulation materials refer to materials or material composites that have significant resistance to heat flow.…
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…
Lightweight foamed concrete, also known as foamed cement, is a lightweight porous concrete product made from foaming agent aqueous solution into foam, and then adding foam to the slurry made of cement-based cementitious materials, aggregates, admixtu…
Recently, US President Joe Biden concluded his first visit to the Middle East since taking office. During the visit, Biden said that the United States will be an active partner in the Middle East for a long time, but Middle East leaders have not clea…
The open-cell foam concrete is an excellent sound absorption material, while the closed-cell foam concrete is an excellent sound insulation material.…
What is the use of aluminum oxide?Medical professionBecause of its hardness, bioinertia and chemical properties, alumina is the preferred material for hip replacement bearings, such as prosthetics, bionic implants, prosthetic eye substitutes, tissue…
Aluminum nitride is a kind of refractory composite ceramic material with hexagonal wurtzite structure. Pure aluminum nitride is blue-white, and aluminum nitride ceramic is usually gray or white. Aluminum nitride is stable at high temperature in inert…
Foam concrete contains a large number of closed pores, the air in the pores is a good adiabatic medium, which can cut off the heat exchange.…
Before construction, ensure that all kinds of instruments used during construction can operate normally, check their status and break the work, and the materials must be in place.…
The Group of Seven leading economies is discussing imposing a cap on Russian oil prices by imposing restrictions on insurance and shipping, according to people familiar with the matter. The potential mechanism would only allow shipments of Russian c…
The World Bank expects global economic growth to slow significantly, from 5.5% in 2021 to 4.1% in 2022 and further to 3.2% in 2023. Growth in East Asia and the Pacific is expected to slow to 5.1 percent in 2022, reflecting the impact of China's econo…
Hafnium Carbide, an inorganic material that has a high melting points is very resistant to wear and corrosion. It also resists oxidation in extreme temperatures (1100-1100°C).Particle size: -325mesh Purity: 99% About Hafnium Carbide HfC Powder:…
On June 9, 2024, Protolabs released the 2024 edition of its yearly 3D Printing Trends Record, which provides 3D printing patterns and the future of 3D printing; painting a positive picture for the worldwide 3D printing industry, highlighting market g…
Good dispersion, 1% aqueous liquid is milky, white liquid. No gel phase during dissolution. About Sec-Octyl alcohol ethoxylates;2-Octanol ethoxylates: Good dispersion, 1% solution in water is a white milky liquid. No gel phase occurs during dissol…