Khoom Description
Khoom npe: DMCBDA
CAS: 137820-87-2 Nr
MF: C10H8O6
PIB: 224.17
Kub taw tes: 456.5 ± 45.0℃(Predicted)
Qhov ceev: 1.635 ± 0.06 g / cm3 (Predicted)
Specification
| Cov khoom | Specifications |
| Qhov tshwm sim | Dawb siv lead ua |
| Purity | 99% |
| Cia temp. | Khaws nyob rau hauv qhov chaw tsaus, kaw hauv qhuav, Chav Kub. |
| Pob | 1kg / hnab, 20kg / nruas |
Daim ntawv thov
1. Ua raws li cov monomer tshwj xeeb rau kev sib xyaw ua ke siab -polyimide resins nrog kev txhim kho thermal stability thiab dielectric zog.
2. Siv DMCBDA hauv kev tsim cov khoom siv hluav taws xob zoo tshaj plaws xws li siab - cov yeeb yaj kiab rwb thaiv tsev kub thiab cov ntawv luam tawm yooj yim.
3. Siv los ua ib lub tsev thaiv rau kev tsim cov aerospace-qib cov ntaub ntawv sib xyaw uas tiv taus qhov hnyav ib puag ncig.
Cia thiab ceev faj
DMCBDA yuav tsum tau muab khaws cia rau hauv lub thawv kaw nruj nreem ntawm 15-25 degree, nyob rau hauv qhov txias, qhuav, thiab qhov dej zoo- qhov cua nyob deb ntawm tshav ntuj ncaj qha. Khaws nws cais tawm ntawm cov kua qaub uas muaj zog, cov hauv paus, cov oxidizing cov neeg ua haujlwm thiab cov dej noo los tiv thaiv hydrolysis, oxidation thiab lwm yam tshuaj lom neeg uas ua rau kom tsis zoo.
Thaum tuav, hnav cov tshuaj lom neeg-cov hnab looj tes tiv thaiv, tsom iav thiab lub tsho tiv thaiv, thiab ua haujlwm hauv lub hood kom tsis txhob nqus plua plav thiab qhov muag / qhov muag. Rov kho lub thawv tam sim tom qab kuaj. Tshem tawm cov pov tseg nruj me ntsis raws li cov cai tswj kev phom sij hauv zos.
Ntim
Kev thauj mus los & Kev Them Nyiaj
Txog Kev Thauj Mus Los
Raws li cov kev xav tau ntawm peb cov neeg siv khoom, peb tuaj yeem muab ntau yam kev xaiv kev thauj mus los.
Rau kev txiav txim me me, peb muab kev xa khoom huab cua lossis kev pabcuam xa khoom thoob ntiaj teb xws li FedEx, DHL, TNT, EMS, thiab ntau lwm yam tshwj xeeb ntawm kev thauj mus los thoob ntiaj teb.
Peb tuaj yeem thauj los ntawm hiav txwv mus rau ib qho chaw nres nkoj rau qhov loj dua.
Tsis tas li ntawd, peb tuaj yeem muab cov kev pabcuam tshwj xeeb raws li cov kev xav tau ntawm peb cov neeg siv khoom thiab cov yam ntxwv ntawm lawv cov khoom.
* Peb tuaj yeem muab ntau yam kev xaiv them nyiaj rau peb cov neeg siv khoom.
* Thaum cov nyiaj qis qis, cov neeg siv khoom feem ntau them nrog PayPal, Western Union, Alibaba, thiab lwm yam kev pabcuam zoo sib xws.
* Thaum cov lej tseem ceeb, cov neeg siv khoom feem ntau them nrog T / T, L / C thaum pom, Alibaba, thiab lwm yam.
* Tsis tas li ntawd, ntau tus neeg siv khoom yuav siv Alipay lossis WeChat Them kom them nyiaj.
FAQ
1
Kuv puas tuaj yeem tau txais cov qauv ntawm koj?
Re: Yog lawm, peb xav muab cov qauv rau koj raws li koj xav tau.
2
Koj tus MOQ yog dab tsi?
Re: Feem ntau peb cov MOQ yog 1 kg, tab sis qee zaum nws kuj hloov tau thiab nyob ntawm cov khoom sib txawv.
3
Ntev npaum li cas kuv tuaj yeem tau txais kuv cov khoom tom qab them nyiaj?
Re: Yog tias xa los ntawm couriers lossis huab cua, nws feem ntau raug nqi 5-10 hnub.
Yog tias xa los ntawm hiav txwv, nws feem ntau raug nqi 3-40 hnub, uas nyob ntawm koj qhov chaw nyob.
4
Koj puas muaj kev pabcuam tom qab- muag?
Re: Yog lawm, peb yuav qhia koj txog kev nce qib ntawm qhov kev txiav txim, xws li kev npaj cov khoom, kev tshaj tawm, kev thauj mus los ua raws- nce, kev pabcuam kev lis kev cai, kev qhia txuj ci, thiab lwm yam.
Tiv tauj peb
Cim npe nrov: dmcbda cas 137820-87-2, Tuam Tshoj dmcbda cas 137820-87-2 manufacturers, lwm tus, Hoobkas
