N-Ethyl-2-Pyrrolidone (NEP)

N-Ethyl-2-pyrrolidone(NEP) is a colorless transparent liquid with a boiling point of 203.6 ° C, a relative density of 0.994g/cm3, and an refractive index of 1.4665 (22 ° C). It is a strong polar organic solvent. It has high chemical stability, weak alkalinity, excellent solubility, low steam pressure and low dielectric constant. It does not form hydrogen bonds, and belongs to the polar aprotic transfer solvent, which can replace other solvents with poor stability, high vapor pressure and high toxicity that are easy to penetrate human skin, and is called non-toxic super-solvent.

【 Use 1 】
It is mainly used for refining oil products and the production of gunpowder, medicine, dyes, pesticides, daily chemicals, coatings, heat-resistant resins, etc
【 Use 2 】
Lithium battery, dry adhesive degreasing, stripping agent of photoresist, coating unwrapping agent, epoxy resin edge cutting.

Mae gennym lawer o ffatrïoedd o ansawdd uchel gyda chydweithrediad dwfn, a all ddarparu cynhyrchion o ansawdd uchel a phrisiau cystadleuol i chi. A gallwn hefyd roi gostyngiadau ar gyfer swmp-brynu. Mae amser dosbarthu tua 3-20 diwrnod ar ôl cadarnhad taliad.

1. Ydych chi'n ffatri neu'n gwmni masnachu?
Rydym yn gwmni sy'n integreiddio diwydiant a masnach, yn darparu gwasanaeth un-stop. Gellid derbyn OEM.

2. A ydych chi'n darparu samplau? A yw'n rhad ac am ddim neu'n ychwanegol?
Samplau am ddim. Mae angen talu ffi cludo nwyddau'r sampl gan eich ochr chi.

3. A oes gennych unrhyw dystysgrifau sy'n ymwneud â rheoli ansawdd?
Ardystiad ISO 9001: 2008 i sicrhau ansawdd.

4. Beth ddylwn i ei ddarparu i gael dyfynbris?
Mae Pls yn rhoi gwybod i ni am y math o gynnyrch sydd ei angen arnoch, archebwch faint, cyfeiriad a gofynion penodol. Bydd y dyfynbris yn cael ei wneud ar gyfer eich cyfeirnod mewn pryd.

5. Pa fath o ddull talu sydd orau gennych chi? Pa fath o delerau sy'n cael eu derbyn?
Telerau Cyflwyno a Dderbynnir: FOB, CFR, CIF, EXW;
Arian Talu a Dderbynnir: USD;
Math o Daliad a Dderbynnir: T / T, Western Union; Paypal, Sicrwydd Masnach.
Iaith a siaredir: Saesneg.