Chinese state media have urged investors to remain calm after this week stock market rout wiped out hundreds of billions of dollars in market value. China securities Times, a state-run newspaper, published a commentary on Wednesday acknowledging &quo...…
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…
Cement foaming agent is called foamed concrete foaming agent. It refers to an admixture that can reduce the surface tension of liquid and produce a large amount of uniform and stable foam. It is an admixture used to produce foamed concrete and can pr…
According to the chemical composition, water reducing agent is usually divided into lignosulfonate type of water reducing agent, naphthalene series of high-efficient water reducing agent, melamine series of high-efficient water reducing agent, amino…