Daim ntawv thov thiab cov yam ntxwv ntawm PPH yeeb nkab
PPH yeeb nkab yog homopolymer ntawm vinylidene fluoride lossis copolymer ntawm vinylidene fluoride thiab lwm yam fluorovinyl monomers nrog cov ntaub ntawv tsawg dua. Nws muaj cov yam ntxwv ntawm resin thiab fluororesin. Ntxiv nrog rau cov tshuaj tiv thaiv zoo, kub tsis kam, tiv thaiv oxidation, huab cua tsis kam thiab hluav taws xob tiv thaiv, PPH yeeb nkab kuj muaj cov khoom tshwj xeeb xws li piezoelectric, dielectric thiab thermoelectric. Nws yog qhov khoom thib ob loj tshaj plaws hauv cov khoom fluoroplastic tam sim no.
Siv: roj kub kub rau cov khoom siv hluav taws xob rau kev tiv thaiv ib puag ncig; Resistance capacitance thiab txawm cua sov yog rwb thaiv tsev thiab tiv thaiv; Mechanical tiv thaiv ntawm ntau yam hlau hlau; Hlau txiav, splicing, kawg rwb thaiv tsev, tiv thaiv thiab ntxiv dag zog.
Nta: kub tsis kam, kub tsis kam, nruab nrab, pob tshab, nyuaj.
1. PPH kav dej tsis muaj tshuaj lom, tsis muaj corrosive thiab tsis scaling, uas tuaj yeem txhim kho qhov zoo ntawm cov yeeb nkab network; PPH yeeb nkab muaj kev tiv thaiv zoo rau cov dej rauj, hauv av siab ntawm PPH yeeb nkab thiab cov yeeb nkab sib koom ua ke thiab qhov kawg load, uas zoo heev txhim kho kev nyab xeeb thiab kev ntseeg siab ntawm cov dej.
2. PPH cov ntaub ntawv tshwj xeeb rau cov kav dej tau tsim muaj ntau xyoo tsis ntev los no. Ib qho laj thawj tseem ceeb vim li cas cov ntaub ntawv PE tsis tau tsim ntxov yog tias lawv tsis muaj nyiaj txiag. Txawm li cas los xij, qhov zoo ntawm PPH yeeb nkab tom qab kev txhim kho cov yeeb nkab polyethylene ua tau zoo tau nthuav dav daim ntawv thov ntau yam ntawm PPH yeeb nkab.
3. PPH yeeb nkab muaj qhov yooj yooj yim thiab weldability, uas ua rau installation yooj yim dua, kev lag luam thiab kev nyab xeeb. PPH yeeb nkab tso ceev ceev, kev puas tsuaj thiab kev saib xyuas cov nqi qis, tsuav yog qhov sib koom ua ke tuaj yeem dais axial load yam tsis muaj to thiab tripping. Yog li ntawd, thaum tso cov nodes thiab khoov, tsis muaj nqi me me ntawm cov thauj tog rau nkoj thiab piers, thiab tus nqi yuav raug txo. PPH yeeb nkab muaj qhov sib txawv tshwj xeeb, elongation ntawm kev tawg ntawm ntau tshaj 500 feem pua, khoov vojvoog ntawm 20 ~ 25 npaug ntawm cov yeeb nkab txoj kab uas hla, thiab khawb kuj zoo heev. Yog li ntawd, lub nteg yog yooj yim heev rau txav, khoov thiab interpenetrate, uas yog haum rau ntau yam kev tsim kho xws li trenchless yeeb nkab jacking. Ntawm qhov tod tes, kev hloov pauv ntawm PPH yeeb nkab rau cov yeeb nkab hauv paus txo cov kev xav tau ntawm cov yeeb nkab hauv paus,