Txawm tias ob leegDichloromethane (DCM)thiabacetoneyog dav siv nyob rau hauv coatings, manufacturing, thiab txij nkawm industries, lawv txawv heev thaum siv raws li cov xim strippers. Kab lus no yuav sib piv lawv cov txiaj ntsig, cov xwm txheej ntawm kev thov, thiab cov ntaub ntawv kev nyab xeeb los pab cov neeg yuav khoom thiab cov kws tshaj lij txiav txim siab.
Methylene Chloride yog dab tsi?
CAS 75-09-2 Methylene Chloride (dichloromethane lossis DCM) yog cov kua tsis muaj xim, tsis muaj kuab lom nrog cov ntxhiab tsw qab, dav siv los ua cov kuab tshuaj muaj zog thiab tshuaj lom neeg. Formula CH2CI2, nws yog siv rau cov xim tshem tawm, aerosol propellants, thiab manufacturing.
Acetone yog dab tsi?
Acetoneyog ib qho xim tsis muaj xim, tsis tshua muaj suab nrov, thiab nplaim taws ua kua nrog cov ntxhiab tsw qab, pungent tsw. Nws yog ib qho muaj zog organic hnyav, feem ntau siv los yaj cov khoom xws li plastics, resins, xim, thiab cov nplaum.
Methylene Chloride (DCM) vs Acetone: Cov khoom sib txawv
| Khoom | Methylene Chloride (DCM) | Acetone |
|---|---|---|
| Tshuaj npe | Dichloromethane | Propanone (Acetone) |
| CAS Nr | 75-09-2 | 67-64-1 |
| Molecular Formula | CH₂Cl₂ | C₃H₆O |
| Molecular Luj | 84,93 g / mol | 58,08 g / mol |
| Qhov tshwm sim | Cov kua dej tsis muaj xim | Cov kua dej tsis muaj xim |
| tsw | Me me, qab zib | Muaj zog, pungent |
| Polarity | Nruab nrab polar | Polar |
| Boiling Point | 39.6 degree | 56.0 degree |
| Qhov ntom | 1.33 g / cm³ (hnyav tshaj dej) | 0.79 g / cm³ (lub teeb dua dej) |
| Solubility hauv dej | Me ntsis soluble | Ua kom miscible |
| Tus nqi evaporation | Ceev ceev | ceev heev |
| Flash Point | Tsis yog -flammable | -20℃(hnyav heev) |
| Flammability | Tsis yog -flammable | Cov nplaim taws heev |
| Solvent Strength | Muaj zog heev | Nruab nrab |
| Xim Tshem Tawm Muaj Peev Xwm | Zoo heev (hnyav-cov dej num txheej) | Limited (lub teeb coatings) |
| Cov ntawv thov kev lag luam | Xim stripping, tshuaj, extraction | Ntxuav, degreasing, coatings |
| Toxicity | Siab dua (yuav tsum tau tuav nruj) | qis dua (tab sis tseem xav tau kev saib xyuas) |
| Environmental Impact | Kev tswj hwm hauv ntau lub tebchaws | Ntau dua ib puag ncig tau |
Qhov twg yog qhov zoo dua rau kev tshem tawm xim?
| Qhov xwm txheej | Methylene Chloride | Acetone |
|---|---|---|
| Stripping Ceev | Ceev heev (5-30 mins) | Slower (tej zaum yuav xav tau ntau daim ntawv thov) |
| Xim hom tshem tawm | Epoxy, polyurethanes, muaj txheej txheej | Latex, ntsia thawv polish, qee cov roj- pleev xim rau |
| Multi-Txheej Xim Tshem Tawm | Zoo heev | pluag |
| Cov seem tshuav tom qab | Tsawg kawg | Tej zaum yuav xav tau kev so ntxiv |
Dichloromethane / Methylene Chloride:
- Hnyav-lub luag haujlwm stripping (piv txwv li, kho cov rooj tog zaum, kho tsheb kho tsheb).
- Thick, kho cov xim txheej.
Acetone:
- Kev kov me me-ups (xws li, txhuam hniav, tshem tawm qhov chaw).
- Tsis yog- daim ntawv thov kev lag luam (xws li, DIY tej yaam num).
Tsim nyog Dichloromethane DCM Cov Khoom Muag Khoom
Nyem qhov no xa ib qho kev nug
Kev xav txog kev nyab xeeb
Thaum methylene chloride muaj txiaj ntsig zoo, nws los nrog cov kev cai nruj dua hauv ntau lub tebchaws vim muaj kev pheej hmoo rau kev noj qab haus huv:
Yuav tsum muaj qhov cua kom zoo
Kev siv PPE ( hnab looj tes, tshuab ua pa)
Txwv tsis pub siv cov khoom siv hauv qee lub khw
Acetone, txawm tias flammable, feem ntau suav hais tiasmuaj kev nyab xeeb thiab zoo dua ib puag ncigthaum siv kom raug.
Tiv tauj peb:
Email:sales@gneebio.com
Lub Vev Xaib: https://www.gneebio.com/inquiry
Peb lub tuam txhab
Gneebioyog cov kws tshaj lij cov khoom siv raw khoom nyob hauv Henan Xeev, Suav. Peb tau dhau daim ntawv pov thawj kev ua haujlwm zoo thiab muaj tus kheej - tswj hwm txoj cai ntshuam thiab xa tawm. Peb cov khoom yog nrov nrog cov neeg siv khoom. Raws li cov khoom lag luam thoob ntiaj teb, peb xa cov ntaub ntawv pov thawj tshuaj raw khoom uas ua raws li REACH, RoHS, ISO thiab lwm yam qauv thoob ntiaj teb. Peb lub peev xwm ntau lawm txhua hli ua kom zoo ib yam thiab muaj kev ntseeg siab rau kev txiav txim ntau.
