Dayang Chem (Hangzhou) Co., Ltd. yog ib qho ntawm cov ua lag luam thiab cov neeg muag khoom ntawm 3,4,3',4'-biphenyltetracarboxylic dianhydride (bpda) cas 2420-87-3 nyob rau hauv Suav teb, tshwj xeeb hauv kev muab cov tshuaj customized zoo. Txais tos rau kev lag luam wholesale bulk 3,4,3',4'-biphenyltetracarboxylic dianhydride (bpda) cas 2420-87-3 ua nyob rau hauv Suav teb nov thiab tau pricelist los ntawm peb lub hoobkas. Kev pabcuam zoo thiab tus nqi tsim nyog muaj.
Ntsiab Specifications
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Qhov tshwm sim |
dawb crystalline hmoov |
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Assay |
99.5% Min |
Thov qhia rau peb paub yog tias koj xav kom peb xa cov lus qhia tshiab tshaj plaws thiab kev tshuaj ntsuam xyuas.
Ntim, Cia thiab xa khoom
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Txheem Ntim |
25 kg / nruas los yog ntim raws li kev thov |
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Kev cia khoom |
Khaws rau hauv qhov chaw txias, qhuav, zoo - qhov cua. Khaws lub thawv kom nruj rau hauv qhov chaw tsis muaj zog yog tias yuav tsum tau khaws cia ntev - |
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Cov ntaub ntawv thauj mus los |
Tsis tswj raws li qhov txaus ntshai zoo |
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Shipping Txoj Kev |
DHL, FedEx, huab cua freight lossis hiav txwv freight (IMDG / IATA raws) |
Cov ntawv thov tseem ceeb
3,3,4,4-biphenyltetracarboxylic dianhydride (BPDA) thiab 3,3′- thiab 4,4′-diaminodiphenylsulfones pab kom npaj homo- thiab copolymides. 3,3',4,7}Behydrophenylsulfones Feem ntau ua hauj lwm los ua ke cov aromatic polyimide fibers uas yog ib tug tswv cuab ntawm kev ua tau zoo fibers nrog siab zog, siab modulus, siab thiab kub tsis kam, thiab hluav taws xob tsis kam. BPDA tuaj yeem siv los ua ke los ua ke ntawm hyper{18}}cross{19}} txuas polymers (HPB-s) nrog cov khib nyiab polystyrene (WPS) ua npuas ncauj. HPB-s muaj kev cog lus muaj peev xwm hauv purifying dye wastewater[1-2].
Spectrum
Cov lus nug nquag nug (FAQ)
Q: 1: Koj puas muab Daim Ntawv Pov Thawj Kev Ntsuam Xyuas (COA)?
A: Yog lawm, txhua pawg suav nrog COA tag nrho nrog kev soj ntsuam, cov ntsiab lus noo noo, thiab cov tsos.
Q: 2: Kuv puas tuaj yeem tau txais tus qauv?
A: Yog lawm, cov qauv (5-100g) muaj rau cov neeg siv khoom tsim nyog.
Q: 3: Yam tsawg kawg nkaus kom muaj nuj nqis (MOQ) yog dab tsi?
A: MOQ yog 1 kg rau R & D cov neeg siv khoom. Cov nqi ntau muaj rau 25 kg thiab siab dua.
Q: 4: Kuv yuav tau txais cov lus teb lossis nqe lus sai npaum li cas tom qab xa cov lus nug?
A: Peb lav cov lus teb thawj zaug hauv 24 teev tom qab tau txais koj cov lus nug thiab lub hom phiaj muab cov lus qhia ntxaws hauv 3 hnub ua haujlwm.
Q: 5: Koj puas tuaj yeem xa sai sai (lossis xyuas kom xa khoom tsis pub dhau ib hnub)?
A: Rau cov khoom lag luam, peb feem ntau xa tuaj hauv 7 hnub.
Rau cov khoom siv hluavtaws, lub sijhawm xa khoom feem ntau yog 4-6 lub lis piam, nyob ntawm qhov nyuaj thiab qhov ntau ntawm qhov kev txiav txim.
Cim npe nrov: 3,4,3',4'-biphenyltetracarboxylic dianhydride (bpda) cas 2420-87-3, Tuam Tshoj 3,4,3',4'-biphenyltetracarboxylic dianhydride (bpda) cas 2420-87-3 manufacturers, lwm tus neeg, Hoobkas
