Application of seal on oil film bearingof rolling mill Oil film bearing is also called liquidfriction bearing. In the process of rolling the mill, liquid lubrication isused to form a complete pressure oil film between the cone sleeve and bushing.The…
Foamed concrete has good physical properties, combining insulation and electrical resistance. It has many benefits that make it one of the best alternatives to building materials.…
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…
Surfactant weakly cationic, cationic when used in an acidic environment, and non-ionic when used in an alkaline environment.Active Matter % 30+-2 Dodecyldimethylamine oxide Lauramine CAS 1643-20-5 Weak surfactants can be cationic or non-ionic dep…