Expandable graphite or exfoliated graphite is made from the naturally occurring mineral graphite. The layered structure of graphite allows molecules to be inserted between the graphite layers. By adding acid, graphite sulfate can usually be converted…
The open-cell foam concrete is an excellent sound absorption material, while the closed-cell foam concrete is an excellent sound insulation material.…
In this article, defoamer, anti-shrinkage agent, preservation agent, and inhibitor will be talked about.…
This article will talk about coagulant, retarder, delayed coagulant, foaming agent, air entraining agent, and aerating agent.…
The properties and varieties of concrete additives for refractories, especially refractory castables, ramming materials, plastics and other amorphous refractories are different.…
Due to the laminar structure of graphite, atoms or small molecules can be introduced between the carbon layers (intercalation）…
Inconel 718 alloys is a precipitation-hardening nickel-iron-based superalloy containing niobium and molybdenum. Its microstructure is austenite and has excellent comprehensive properties.…
Early strength admixture refers to the admixture that can improve the early strength of concrete and has no significant effect on the later strength.Superplasticizer for concreter is a concrete admixture that can reduce the amount of mixing water whi…
Early strength agent refers to the admixture which can improve the early strength of concrete and has no significant effect on the late strength.…
The China Securities New Energy Vehicle index rose as much as 4.1 percent after a strong rally in lithium-ion shares on the Chinese stock market. Brokerages said lithium enterprises would usher in marginal expectations, and currently, it may be the b…
Accelerating agent is to point to the admixture that can make concrete condenses quickly after concrete hardening. Early strength agent refers to the admixture which can improve the early strength of concrete and has no significant effect on the lat…
As an admixture, superplasticizer is added to concrete to reduce water consumption and increase the strength of concrete. At present, the high-performance water-reducing agents used in concrete engineering are mainly polycarboxylic acid superplastici…
Physical and chemical properties of copper-nickel alloy powders：Copper-nickel alloy powder is an alloy powder composed of two elements: copper and nickel. Its physical and chemical properties mainly depend on the content of copper and nickel and the…
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…
Triethanolamine is a colorless transparent viscous liquid at room temperature with a slight ammonia smell.…