肏着黑丝欧美美女的骚穴-好湿?好紧?太爽了丝袜动漫-97精品国产综合久久久动漫日韩-日本中文字幕视频在线看

Chinese
NMP-2.png
NMP-3.png
NMP-2.png
NMP-3.png

N-methylpyrrolidone

Product Name:
Chemical formula: C5H9NO CAS No.: 872-50-4 EINECS No.: 212-828-1 UN No.: 1268 Purity grade: EL Place of origin: Foshan, China Appearance: Colorless transparent oily liquid, Amine like odor Melting Point: -24℃ Boiling point: 202℃ Density: 1.033 g/cm3

Application:

(1) electronic insulation material,lithium ion battery

(2) polymeric solvents for the production of refractory engineering plastics and aramid fibers

(3) semiconductor,liquid crystal and other IC industry cleaning agents

(4) Acetylene extraction and extraction of butadiene, isoprene and aromatic hydrocarbons

(5) lubricating oil refining

(6) high grade paint,ink,paint

(7) pesticide auxiliaries