Polyoxymethylene (POM) Resin: Lub Pob Zeb Ua Haujlwm Zoo Tshaj Plaws Rov Tsim Kho Kev Tsim Khoom Lag Luam
Kev Tshuaj Xyuas Kev Ua Haujlwm: Cov Khoom Zoo Tshaj Plaws Ua Rau Muaj Ntau Yam Zoo
Lub Zog Kho Tshuab Zoo Kawg Nkaus
Lub Zog Tensile: 60–70 MPa, sib piv rau qee cov khoom siv hlau, ua kom muaj kev tiv thaiv kev hloov pauv hauv qab kev ntxhov siab siab.
Modulus khoov: 2.5–3.0 GPa, muab kev txhawb nqa zoo rau cov khoom thauj.
Kev Tiv Thaiv Kev Hnav: Kev sib txhuam qis (0.1–0.3 nyob rau hauv kev sib txhuam qhuav) ua rau nws zoo tagnrho rau kev swb / tig cov khoom xws li iav, pulleys, thiab sprockets, txo qhov hnav thiab ntev lub neej ntawm cov khoom siv.
Kev Tiv Thaiv Kev Qaug Zog: Tiv taus ntau lab lub voj voog kev ntxhov siab yam tsis muaj kev puas tsuaj, tsim nyog rau cov khoom uas raug kev pib-nres ntau zaus lossis kev thauj khoom tsis tu ncua.
Kev Ruaj Ntseg Tshuaj Zoo heev
POM tiv taus cov organic solvents, roj, cov kua qaub tsis muaj zog, thiab alkalis, tswj kev ua kom zoo hauv cov chaw muaj tshuaj lom neeg nyuaj. Piv txwv li, hauv cov chaw sib xyaw ua ke ntawm lub cav tsheb, POM qhov chaw (piv txwv li, cov iav twj roj) tiv taus roj cav, cov dej txias, thiab qhov kub siab yam tsis o lossis xeb. Txawm li cas los xij, nws tuaj yeem lwj hauv qab cov xwm txheej hnyav ntawm cov kua qaub muaj zog, alkalis, lossis qhov kub siab.
Kev Ua Haujlwm Thermal Txhim khu kev qha
Kub Deflection Kub: 136–162°C (nyob rau hauv 0.45 MPa load), nrog rau kev siv kub tas mus li ntawm 85–105°C, tsim rau cov ntawv thov uas xav tau kev tiv taus kub nruab nrab.
Kev Ua Hluav Taws Xob Qis: 0.22–0.35 W/(m·K), muab cov khoom rwb thaiv tsev rau kev tswj cua sov hauv cov khoom siv hluav taws xob.
Kev rwb thaiv hluav taws xob zoo tshaj plaws
Qhov Ntim Resistivity: 10¹³–10¹⁴ Ω·cm, nrog rau qhov dielectric tas mus li ntawm 3.7–3.9 (ntawm 1 MHz), tswj kev ua haujlwm rwb thaiv tsev ruaj khov thoob plaws ntau qhov kub thiab txias / av noo thiab cov zaus.
Daim Ntawv Thov: Zoo tagnrho rau cov khoom siv hluav taws xob xws li cov keyboards, cov terminal blocks, thiab cov tsev hluav taws xob, txo cov kev pheej hmoo ntawm kev xau lossis luv luv circuits.
Kev Ua Haujlwm Ntau Yam
POM cov kua dej yaj zoo heev ua rau muaj kev tsim khoom meej los ntawm kev txhaj tshuaj molding, extrusion, blow molding, thiab lwm yam, nrog lub sijhawm luv luv thiab ua haujlwm tau zoo. Qhov no ua rau nws tsim nyog rau kev tsim cov khoom sib xyaw ua ke, ua tau raws li qhov xav tau ntawm kev lag luam sai.
Cov Chaw Siv: Kev Nkag Mus Dav Dav Tsav Kev Tsim Kho Tshiab Hauv Kev Lag Luam
Kev Lag Luam Tsheb: Kev Txhawb Nqa Txhim Khu Kev Ruaj Ntseg Rau Cov Cheebtsam Tseem Ceeb
Lub Cav: Cov iav twj tso kua roj ua los ntawm POM ua kom muaj kev ua haujlwm ruaj khov nyob rau hauv cov xwm txheej roj siab, ua tsaug rau kev sib txhuam tsawg, kev tiv thaiv kev hnav, thiab kev ruaj khov ntawm cov tshuaj lom neeg, ua rau muaj kev xa roj raug.
Sab Hauv Tsev: Cov tes tuav qhov rooj, cov iav tswj qhov rai, thiab cov khoom siv kho lub rooj zaum siv POM lub zog kho tshuab rau kev ua haujlwm du thiab ruaj khov, thaum nws cov txheej txheem ua tau ntau yam kev tsim qauv.
Kev Kis: Cov pulleys thiab sprockets ua los ntawm POM xa hluav taws xob tau zoo nrog kev poob hluav taws xob tsawg kawg nkaus.
Cov Khoom Siv Hluav Taws Xob thiab Cov Khoom Siv Hluav Taws Xob: Kev Txhawb Nqa Ob Zaug Rau Kev Ua Haujlwm thiab Kev Nyab Xeeb
Cov Tsev Nyob Ntaus Ntawv: POM muab kev tiv thaiv zoo rau cov khoom siv hluav taws xob sab hauv thaum ua kom muaj kev rwb thaiv hluav taws xob (piv txwv li, cov kiv cua hniav thiab cov thav duab hauv lub tshuab cua txias hauv computer, uas tswj kev ruaj khov ntawm kev kub ceev yam tsis cuam tshuam rau cov khoom).
Cov khoom sib txuas: Cov khoom POM muab qhov tseeb thiab kev ntseeg siab, qhov tseem ceeb rau kev tswj hwm kev sib cuag hluav taws xob hauv cov connectors.
Cov Tshuab Siv Thiab Khoom Siv Hauv Kev Lag Luam
Cov Cheebtsam Kho Tshuab: Cov iav, bushings, thiab bearings hauv cov khoom siv kev lag luam tau txais txiaj ntsig los ntawm POM txoj kev tiv thaiv kev hnav thiab suab nrov qis, txo cov kev xav tau kev saib xyuas thiab txhim kho kev ua haujlwm zoo.
Cov Li Qub thiab Cov Twj Tso Kua Mis: POM siv rau hauv cov twj tso kua tshuaj thiab cov li qub rau nws txoj kev tiv thaiv corrosion, tsim nyog rau kev thauj cov kua dej uas tsis corrosive hauv kev lag luam tshuaj thiab zaub mov.
Cov Khoom Siv thiab Cov Cuab Yeej Siv Tau Zoo
Cov Khoom Siv Rau Cov Neeg Siv Khoom: Cov zippers, cov iav saib, thiab cov khoom siv hauv chav ua noj (piv txwv li, cov iav sib xyaw) siv POM rau nws qhov ruaj khov thiab muaj peev xwm ua kom zoo nkauj.
Cov Cuab Yeej Siv Tau Zoo: Hauv cov khoom siv kho mob thiab cov khoom siv kho qhov muag, POM qhov kev ua haujlwm siab thiab kev ruaj khov ua kom muaj kev ua tau zoo hauv cov khoom xws li cov koob txhaj tshuaj thiab cov lens mounts.
Cov Lus Qhia Tshwj Xeeb
| Lub Npe Khoom | Polyoxymethylene Resin | |||||||||
| Cov Qauv Tshuaj | (CH₂O)ₙ | |||||||||
| Qhov tsos | Dawb granular los yog hmoov | |||||||||
| Qhov Kub Yaj | ~175°C | |||||||||
| CAS TSIS MUAJ | 9002-81-7 | |||||||||
| Tus lej HS | 39071010 | |||||||||
| EINECS TSIS MUAJ | 201-824-3 | |||||||||
| Daim Ntawv Thov | Cov yas ua haujlwm siab rau cov iav, cov kabmob, cov khoom siv tsheb / khoom siv hluav taws xob | |||||||||
Kev Tsim Khoom thiab Kev Ntsuam Xyuas Zoo
Cov Txheej Txheem Tsim Khoom
Kev Ua Kom Muaj Zog: Tsim los ntawm kev sib xyaw ua ke ntawm cationic/anionic ntawm formaldehyde, nrog rau cov stabilizers ntxiv rau kom txhim kho kev ruaj khov ntawm thermal.
Kev Sib Xyaws: Siv cov iav fiber, carbon fiber, lossis cov roj nplua nyeem los txhim kho cov yam ntxwv (piv txwv li, POM uas muaj iav puv rau kev ruaj khov lossis cov qib uas ua rau nws tus kheej lubricating rau cov ntawv thov uas tsis muaj kev sib txhuam).
Cov Qauv Zoo
Kev Ntsuas Txog Kev Siv Tshuab: Lub zog tensile, elongation thaum tawg, thiab flexural modulus raug sim raws li ISO 527 thiab ASTM D638.
Kev Ntsuas Kub: Qhov kub ntawm qhov kub thiab txias (HDT) thiab cov ntsuas dej ntws (MFI) ntsuas raws li ISO 75 thiab ASTM D1238.
Kev Tswj Xyuas Kev Huv Si: Cov hlau hnyav uas muaj tsawg dua 10 ppm (qib khoom noj/qib kho mob), nrog rau kev tswj xyuas qhov loj me ntawm cov khoom me me thiab cov dej noo.
Vim li cas ho xaiv peb cov POM Resin?
Kev Ua Tau Zoo Tshaj Plaws: Peb lub POM muaj cov khoom siv crystallinity sib xws (75 ± 5%) thiab lub zog tensile (≥65 MPa), ua tau zoo dua li cov qib txheem hauv kev tiv taus kev qaug zog (≥1 lab lub voj voog).
Kev daws teeb meem tshwj xeeb: Cov qauv tsim tshwj xeeb rau cov kev xav tau tshwj xeeb:
Kev Tiv Thaiv Kub Siab: Cov qib hloov kho rau 120 ° C siv tas mus li hauv cov cav tsheb.
Kev Tiv Thaiv Hluav Taws: UL 94 V-0 ua raws li qib rau cov khoom siv hluav taws xob.
Kev Ruaj Khov: Cov qib rov ua dua tshiab (tus nqi rov ua dua tshiab tom qab kev lag luam ≥90%) thiab kev tsim cov pa roj carbon tsawg (siv hluav taws xob tsawg dua 15% piv rau qhov nruab nrab ntawm kev lag luam).
Kev Ua Raws Cai Thoob Ntiaj Teb: Tau ntawv pov thawj rau ISO 9001, FDA (kev sib cuag zaub mov), thiab RoHS/REACH rau cov khoom siv hluav taws xob, nrog rau kev xa khoom sai (2-4 lub lis piam thoob ntiaj teb).
Kev Tsim Kho Tshiab ntawm Cov Khoom Siv Yas Engineering uas Tsav Tsheb Cav
Txij li cov khoom tseem ceeb hauv tsheb mus rau cov khoom siv hluav taws xob precision, POM resin txuas ntxiv txhais dua qhov uas cov yas engineering tuaj yeem ua tiav. Nws qhov kev sib xyaw ua ke ntawm kev ua haujlwm zoo, kev ua kom muaj zog ntawm tshuaj lom neeg, thiab kev hloov pauv ntawm cov txheej txheem ua rau nws tsis tseem ceeb hauv kev lag luam. Xaiv peb lub POM los qhib kev ntseeg siab, kev ua haujlwm zoo, thiab kev tsim kho tshiab - qhov twg txhua qhov khoom yog qhov pov thawj rau kev sib xyaw ua ke ntawm kev ua tau zoo ntawm yas thiab kev ua haujlwm ruaj khov ntawm cov hlau.