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| Pallets Packing | 20'FCL | 40'FCL | ||
| With | Without | With | Without | |
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200KG/Iron Drum
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16 MT
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Chemical name: N-methy-lpyrrolidone;1- methyl-2-pyrrolidone;
N-methyl-2-pyrrolidone
CAS NO.:872-50-4
Molecular formula: C5H9NO
Character: colorless transparent liquid; be hygroscopic and miscible with water in any ratio, and also miscible with alcohol, ether, acetone, aromatic hydrocarbons and other solvents.
Application:
1. Micro-electronic grade: It is applicable to LCD, semiconductor, circuit boards, carbon nanotubes and other high-end microelectronic industry.
2.Electronic grade: It is applicable to such industries as aramid fiber, PPS, ultrafiltration membrane, OLED plate photoetching, glue etching and other industries.
3.Battery grade:It is applicable to lithium batteries and other industries.
4.Industrial grade: It is applicable to the acetylene concentration, butadiene extraction,electrical insulating materials, high-grade paints, pesticide adjuvants, inks, paints, indus-trial cleaning agent and other industries.
Specification and indicators
Items | Micro-electronic grade | Electronic grade | Battery grade | Industrial grade |
Purity (GC, wt%) | ≥99.95 | ≥99.9 | ≥99.9 | ≥99.8 |
Water (K.F.,ppm） | ≤100 | ≤200 | ≤200 | ≤500 |
Chroma (Hazen, APHA） | ≤10 | ≤10 | ≤10 | ≤30 |
10% solution pH value | 6-9 | 6-9 | 6-9 | 6.5-10 |
free amine(ppm) | / | / | ≤20 | / |
total amine (based on MMA, ppm) | ≤15 | ≤20 | ≤30 | / |
Cl-，PO43-, SO42-(ppm) | ≤0.02 | ≤0.02 | / | / |
NO3- (ppm） | ≤0.01 | ≤0.01 | / | / |
Metal ion(ppb) K、Na、Ca、Zn、Mg、Cd、Pb、Cr、Hg、As、Ni、Sn、B、Si、Mn、Fe、Cu、Ag、Ti、Al、Li、Co、Au | ≤10 | ≤20 | / | / |
Manufacturing
