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Usage: As a high selective solvent, NMP has such advantage as non-toxicity, high boilling point, low corrosion, high solubility, low viscosity, low volatility and good atability and easy to recovery. NMP i s widely used in senior lubricating oil refining,polymers, synthesis, insulation materials, pesticide, printing ink, high grade coatings, pigments and cleaner (deoiling, degreasing, dewaxing, polishing ,antirustand depainting) etc. Also applied to artificially kidney function membrane fluid and seawater desalination membrane fluid.

It is mainly used in electronic industry in the following aspects:

1. As solvent of poly (1,1-difluoro-thene), or electrode's accessory material of lithium ion battery.
2. As remover liquid of photoresist, in the production of LCD materials
3. As solvent in pharmacy
4. Cleaning of precison instruments and circuit board
5.Concentrade of ethylene and extracting of butadiene, isoprene, arene, etc