... and many solvents. NMP is an important chemical raw material, with colorless and transparent liquid low toxicity high boiling ... the polyimide) and the aromatic fiber;3). Electric Class: Polymerizing lithium ion battery.4). Reagent Class: Deoil, defat, dewax, burnish, anti- rust ... hard disk line, Requested strictly to control the metallic ion and Tiny dust particle; And The artifcial kidney function ...