The price of color TV has risen by 30%, will it keep go up ? "The price of color TVs has risen recently." On April 25, the reporter learned when visiting an electric store in Haizhu District that since the beginning of this year, as the pri...…
The nano graphite powder The nano graphite powder has good chemical stability. Specially processed nano graphite powder has the characteristics of corrosion resistance, good thermal conductivity, and low permeability. It is widely used in the manufac…
The ability to inject large numbers of small air bubbles throughout concrete mixers, to decrease bleeding, segregation, workability, and improve overall concrete quality, is known as an "air-entraining agent". Description An Air Training A…
In this article, the physical foaming agents of carbon dioxide foaming agents and hydrochlorofluorocarbon foaming agents will be talked about.…