What is a thermal insulation board by foaming agent for clc ? Chemically foamed external wall insulation board is a new type of energy-saving insulation material that expands cement paste through chemical reaction and has airtight and uniform pores i…
In international trade, the indirect and local inspection of import and export commodities is closely related to the vital interests of buyers and sellers, as it involves inspection rights, inspection agencies and related claims.…
The quick set cement additive concrete The quick set cement additive is an admixture that can greatly reduce the amount of mixing water under the condition of the same slump of concrete. The plasticizer is a kind of concrete admixture that can reduce…
CuO, copper oxide. Copper oxide is a black copper oxide with a slightly amphoteric, and slight hygroscopic chemical formula. The molecular mass relative to the element is 79.545. Its density is 6.96.9 g/cm3 and its melting point at 1026. Purity: 99.5…