NP 15 (Petrochem)

4 NP 15 in the context of the chemical industry (petrochemical) refers to Nonylphenol Ethoxylate 15 (NP-15), a type of nonionic surfactant with an average of 15 ethylene oxide units. This compound is in the form of a thick liquid or clear paste, functions as an emulsifier, wetting agent, and stabilizer that is very stable at high temperatures or high electrolyte concentrations.