... stability and high selectivity.Now,1-Methyl-2-pyrrolidinone(industrial grade)is mainly used in such fields as:1,Extraction and ... recycling of organic raw materials in petrochemical industry.2, Refining of lubricating oils.3, As solvent of ... filming, enameled wire of IC,fiber fabrics and adhesives,etc.5,As industrial-use detergents in the cleaning of chemical equipments,stem ...