N-Methyl-2-pyrrolidone
N-Methyl-2-pyrrolidone NMP is used for recovery of 1,3-butadiene and acetylene. NMP is used to dissolve a wide range of polymers. It is also used as a solvent for surface treatment of textiles, resins, and metal coated plastics or as a paint stripper.
PROPERTIES AND TEST METHODS
Color，APHA 25 Maximum
Purity，NMP，% 99.8 Minimum
Water content，% 0.05 Maximum
Refractive Index（ND20） 1.467-1.471
Relative Density 1.032-1.034
Total amine , ppm 20 Maximum
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