... ( Gamma-butyrolactone), NMP (N-Methyl-Pyrrolidone), 2-Pyrrolidone and PVP series. NMP Usage: For industrial cleaning, petrochemical processing, agrochemical, etc. ( Industrial Grade ... ) For Pharmaceuticals, agrochemical, coating, dye, pigment etc. ( Pharma Grade) For Li-ion battery, LCD, semiconductor etc ...