1. Cov khoom siv muaj pes tsawg leeg thiab cov khoom
Kua Silicone Roj Hmab (LSR):
Cov khoom siv hauv paus:Silicone polymer nrog rau tus qauv molecular.
Yooj taus:Khaws cov elasticity hla qhov dav dav (-50 degree rau +200 degree).
Qhov ruaj khov:Tiv taus UV hluav taws xob, ozone, thiab huab cua sov heev.
Biocompatibility:Tsis-lom thiab hypoallergenic, ua rau nws zoo tagnrho rau cov khoom siv kho mob.
PVC (polyvinyl chloride):
Cov khoom siv hauv paus:Synthetic Thermoplastic polymer.
Rigidity / yooj yim:Rigid los ntawm lub neej ntawd tab sis tuaj yeem softened nrog cov khoom siv (xws li, phthalates).
Kub Kuj:Txwv rau -20 degree rau +60 degree; degrades ntawm ntau dua kub.
Tshuaj lom neeg Kuj:Cov kua qaub, roj, thiab alkalis tab sis yuav tso cov pa taws thaum hlawv.
2. Qhov sib txawv tseem ceeb ntawm LSR thiab PVC
A. Kub tsis kam
LSR:Excrels rau hauv ib puag ncig heev. Ruaj khov nyob rau hauv ob lub siab-tshav kub (piv txwv li, crybotive engins) thiab cryogenic tej yam kev mob.
PVC:Kev muag muag lossis deforms saum 60 degree, txwv nws siv hauv kev siv kub-kub.
B. Tshuaj thiab Kev Nyab Xeeb ib puag ncig
LSR:Heev tiv taus rau oxidation, UV kis, thiab tshuaj lom neeg. Tsis txwv deg sab nraud.
PVC:Cov tsis muaj zog rau UV degradation thaum lub sijhawm. Cov plinesizers tuaj yeem khi tawm, ua rau brittleness.
C. Kev Nyab Xeeb thiab Ua Raws
LSR:FDA kev pom zoo, biocompible, thiab tsw. Muaj kev nyab xeeb rau cov khoom noj-qib thiab cov khoom kho mob.
PVC:Muaj cov tshuaj ntxiv (piv txwv, phthalates) uas yuav ua rau muaj kev pheej hmoo txaus ntshai. Yuav tsum tau ua tib zoo tswj cov zaub mov / kev siv mob.
D. Kev Tsim Kho Txheej Txheem
LSR:Ua kua txhaj tshuaj molding (lim) ua rau precision rau cov geometries thiab nyias phab ntsa.
PVC:Extrusion lossis txhaj tshuaj molding; Yuav tsum muaj cov tshuaj ntxiv rau kev yoog tau, nce ntau lawm.
E. Cov kev txiav txim siab them nqi
LSR:Cov khoom siv nce siab dua tab sis muaj cov sij hawm ntev detability thiab txo cov kev hloov zaus.
PVC:Txo tus nqi qis dua tab sis tuaj yeem ua tsis tau sai dua, ua kom muaj kev siv nyiaj siab dua.
3. Kev Siv: Qhov twg yuav siv LSR vs. PVC
LSR Daim Ntawv Thov:
Kev Kho Mob:Ntsaws, gaskets, tus txiv mis mos me mis, thiab kev cog hniav.
Automotive:Gaskets, hoses, thiab kev co-resistant Cheebtsam.
Cov Neeg Siv Khoom Hluav Taws Xob:Cov ntsaws ruaj ruaj, keypads, thiab ntoo.
PVC DAIM NTAWV THOV:
Kev Tsim Kho:Cov kav dej, cov nplaim thav duab, thiab flooring.
Cov Khoom Siv Hluav Taws Xob:Cable rwb thaiv tsev thiab ntaub thaiv xov hlau.
Cov khoom hauv tsev neeg:Da cov ntaub thaiv npog, cov khoom siv tshuab, thiab tawv hluavticic.
4. Kev cuam tshuam thiab ib puag ncig ib puag ncig
LSR:Rov ua dua tshiab thiab tsim cov khib nyiab tsawg kawg thaum lub sijhawm tsim khoom. Tsis-toxic decomposition.
PVC:Kev ua dua tshiab yog qhov nyuaj vim muaj kev ntxiv. Hlawv tso tawm cov tshuaj lom Dioxins lom zem, kev ntxub ib puag ncig kev txhawj xeeb.
Xaus: Cov khoom twg koj yuav tsum xaiv?
Xaiv LSRRau kev ua tau zoo, kev nyab xeeb-ntawv thov yuav tsum tau siv nyiaj siv tau thiab biocompatibility.
Xaiv rau PvcTxog kev them nqi-rhiab, luv-lo hauj lwm uas hloov tau thiab tshuaj lom neeg muaj qhov txaus.
Los ntawm kev nkag siab txog cov kev sib txawv no, kev lag luam tuaj yeem ua kom zoo tsim qauv, txo tus nqi, thiab raws li kev tswj hwm cov qauv.