PU (polyurethane)
(1) Qhov zoo: kub tsis kam -55 ~ 75c. Mechanical zog. Tshuaj tiv thaiv. Cov khoom hluav taws xob. Huab cua tsis kam. Zoo elasticity.
(2) Qhov tsis zoo: Chav tsev nqi siab, 2 ~ 3 npaug kim dua PVC. Thaum kub hnyiab, nws yuav muaj cov nplaim hluav taws xob txuas ntxiv thiab cov nplaim hluav taws xob, siab adhesion, thiab ua haujlwm nyuaj.
(3) Daim ntawv thov: mos rau elastomers thiab nyuaj rau cov ntaub ntawv insulating. (piv txwv li PU yog siv los ua cov khoom siv sab nraud ntawm BOSCH automotive xov hlau)
Lub ntiajteb txawj nqus yog 1.0 ~ 1.2
Elongation tus nqi 500% min, tensile zog 30MPA min (1MPA=145PSI)
Yuav ua li cas txheeb xyuas cov ntaub ntawv PU, thaum kub hnyiab, cov pa luam yeeb dub, nplaim hluav taws yog xiav, nws yooj yim rau yaj, muaj tib yam tsis hnov tsw ntawm cov plaub hau, thiab qhov kub hnyiab tau muaj zog.
PFA fusible polytetrafluoroethylene
(1) Kuj hu ua" perfluoroalkoxy fluoroplastic", zoo li PTFE, nws kuj yog ib qho fluorinated fluoroplastic.
(2) Qhov zoo: Nws tuav tag nrho cov khoom zoo ntawm PTFE. Tsis zoo li PTFE, PFA tuaj yeem ua tiav ntawm qhov kub thiab txias.
(3) Qhov tsis zoo: PFA kim dua,
(4) Lub Hom Phiaj: Feem ntau tsuas yog siv los ua cov kab hluav taws xob tshwj xeeb, cov thermocouples thiab tsheb kub kub cables.
Qhov tshwj xeeb lub ntiajteb txawj nqus yog 2.14
UL444 kev nyab xeeb yuav tsum: elongation tus nqi 200% min, tensile zog 2500PSI min
Yuav ua li cas txheeb xyuas cov khoom siv Teflon, nws softens thiab deforms thaum raug hluav taws kub, muaj ib txheej nyias ntawm Zouqu, thiab tsw ntawm cov plaub hau hlawv nrog micro coke, yog tsis-combustible, thiab softens thaum raug hluav taws.
FEP (Fluorinated Ethylene Propylene) Cov Fluorinated Ethylene Propylene
(1) Nws yog copolymer ntawm TFE thiab hexafluoropropylene (HFP). Nws tseem yog perfluorinated fluoroplastic.
(2) Qhov zoo: Nws tsis kam tiv thaiv cov tshuaj lom neeg tsis zoo. Zoo li PTFE thiab PFA, FEP' s rwb thaiv tsev kev ua tau zoo kuj zoo heev. Nws yog nplaim retardant, tsis muaj pa luam yeeb thiab yooj yim rau txheej txheem.
(3) Lub Hom Phiaj: FEP dhau los ua cov khoom siv zoo tshaj plaws rau thaj chaw hauv cheeb tsam (LAN) cable rwb thaiv tsev. Nws tuaj yeem tiv taus txog 205 ℃ thiab tuaj yeem siv los ua cua sov cables, thermocouples, automotive high-temperature cables thiab high-frequency coaxial cables.
Lub ntiajteb txawj nqus yog 2.0 ~ 2.2
Elongation 100 ~ 300%, tensile tsis kam 2.0 ~ 3.0kg / mm2 (1kg / mm2=1422PSI)
UL444 kev nyab xeeb yuav tsum: elongation tus nqi 200% min, tensile zog 2500PSI min
Yuav ua li cas txheeb xyuas cov khoom siv Teflon, nws softens thiab deforms thaum raug hluav taws kub, muaj ib txheej nyias ntawm Zouqu, thiab tsw ntawm cov plaub hau hlawv nrog micro coke, yog tsis-combustible, thiab softens thaum raug hluav taws.
ETFE (Ethylene tetrafluoroethylene copolymer)
(1) Qhov zoo: Cov yas fluorine uas muaj zog tshaj plaws muaj kev khawb zoo heev thiab kev puas tsuaj. ETFE tseem tuaj yeem tiv taus qhov kub siab ntawm 150 ° C, thiab ETFE crosslinked tuaj yeem tiv taus qhov kub siab ntawm 200 ° C.
(2) Qhov tsis zoo: Nws yog ib qho nyuaj tshaj plaws fluoroplastics rau txheej txheem.
(3) ETFE feem ntau yog siv rau cov xov hlau thiab cables uas tsis yog tsuas yog xav tau cov nplaim hluav taws xob, cov pa luam yeeb tsawg, tshuaj lom neeg tsis kam, tab sis kuj khawb tsis kam thiab ua haujlwm puas. Xws li tsheb, aviation cables thiab cua sov cables.
Qhov tshwj xeeb lub ntiajteb txawj nqus yog 1.7 ~ 1.73
Elongation tus nqi 420 ~ 440%, tensile lub zog 0.7kg / mm2 (1kg / mm2=1422PSI)
UL444 kev nyab xeeb yuav tsum: elongation 100% min, tensile zog 5000PSI min (150oC)
Yuav ua li cas txheeb xyuas cov khoom siv Teflon, nws softens thiab deforms thaum raug hluav taws kub, muaj ib txheej nyias ntawm Zouqu, thiab tsw ntawm cov plaub hau hlawv nrog micro coke, yog tsis-combustible, thiab softens thaum raug hluav taws.
PVDF polyvinylidene fluoride
(1) Homopolymer ntawm vinylidene fluoride (VDF).
(2) Qhov zoo: Kev tiv thaiv corrosion zoo heev, stain kuj, huab cua tsis kam thiab UV hluav taws xob tiv thaiv. Radiation cross-linking tuaj yeem siv los txhim kho cov khoom siv kho tshuab. Feem ntau yog siv los ua cov tshuaj pleev xim thiab cov kav dej, cov khoom siv tshuaj lom neeg thiab cov thawv ntim hauv lub zos. Txawm li cas los xij, PVDF muaj cov khoom siv zoo, thiab nws cov pa roj carbonization siab thaum ntsib cov cua sov ua rau nws tsis muaj nplaim taws, yog li nws kuj tseem siv tau los npaj cov rwb thaiv tsev ntawm cov kab hluav taws xob tsawg, xws li qab nthab interlayer cables, nplaim hluav taws xob cables, cua sov cables los yog optical fibers. Qhov tshwj xeeb lub ntiajteb txawj nqus yog hais txog 1.78
UL444.UL1581 kev nyab xeeb yuav tsum: elongation 100% min, tensile zog 3500PSI min
Yuav ua li cas txheeb xyuas cov khoom siv Teflon, nws softens thiab deforms thaum raug hluav taws kub, muaj ib txheej nyias ntawm Zouqu, thiab tsw ntawm cov plaub hau hlawv nrog micro coke, yog tsis-combustible, thiab softens thaum raug hluav taws.
LSZH (Low Smoke Zero Halogen) Tsawg Haus Luam Yeeb Zero Halogen Compound
(1) Vim nws lub cev ruaj khov thiab tshuaj lom neeg, PVC tau dav siv los ua cov khoom siv insulating los ntawm kev lag luam hlau hauv ob peb lub xyoo dhau los. Txawm li cas los xij, PVC muaj cov ntsiab lus halogen, uas yuav tso tawm ntau cov pa luam yeeb thiab cov roj corrosive thaum hlawv, uas ncaj qha ua rau muaj kev puas tsuaj rau tib neeg lub neej. Yog li ntawd, ntau thiab ntau lub teb chaws los yog cheeb tsam, tshwj xeeb tshaj yog cov teb chaws Europe thiab Nyiv, nruj txoj cai tau dhau los maj mam txwv tsis pub siv PVC, thiab hloov los ntawm halogen-dawb thiab ib puag ncig tus phooj ywg uas tsis muaj pa luam yeeb thiab halogen-dawb roj hmab (LSOH).
(2) Cov txiaj ntsig zoo: (a) Txo cov pa tawm ntawm cov pa luam yeeb (b) Txo qhov concentration ntawm cov pa roj (c) Tsis muaj roj corrosive
Yuav ua li cas txheeb xyuas cov khoom siv LSZH, tsis muaj ntxhiab tsw ntxhiab, cov pa taws dawb, cov plua plav dawb tom qab hlawv, nws tus kheej tua.
