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
The return of The United 777 provides "material" upside for cargo United airlines is to add a lot of freight to its fleet capacity, 52 Boeing 777-200 large aircraft have been grounded for mor
Spherical quartz powder, also known as spherical silica powder, refers to the amorphous quartz powder material in which a single particle is spherical and the main component is silica. It is mainly used for copper and epoxy plastic packaging in large
The lithium-ion battery has a nominal voltage of 3.7V (3.6V) and a charge cut-off voltage of 4.2V
In this article, the physical foaming agents of carbon dioxide foaming agents and hydrochlorofluorocarbon foaming agents will be talked about.
Guotai Junan released a research report saying that under the background of carbon neutrality, the scarcity of coal mines is prominent, and the value of assets will continue to increase. The high point of capital expenditure in the coal industry appe
The p roduct n ame