(Cov ntsiab lus piav qhia) PTFE EPDM npauj npaim valve lub rooj
Teflon PTFE tseem hu ua polytetrafluoroethylene.Teflon PFA tseem hu ua soluble polytetrafluoroethylene.Ntau lub valve yuav tsis meej heev uas yog qhov zoo dua corrosion kuj rau npauj npaim li qub siv PTFE thiab PFA? Dab tsi yog qhov zoo thiab qhov tsis zoo ntawm txhua tus? Qhov sib txawv ntawm qhov kub thiab txias, uas yog pheej yig dua?
Qhov txawv ntawm qhov
1.PFA: ib copolymer ntawm ib tug me me ntawm perfluoropropyl perfluorovinyl ether thiab polytetrafluoroethylene.2.PTFE: ib tug polymer compound tsim los ntawm polymerization ntawm tetrafluoroethylene.
Cov yam ntxwv sib txawv
Cov yam ntxwv ntawm PFA
(1) Cov khoom siv lead ua, tsis tshua muaj noo noo nqus.
([2) Porfuitity, yooj yim rau decompose thiab corrosive gas yog generated thaum decomposition. Lub molding kub tsis tshaj 475 ° C, pwm yog rhuab mus rau 150 - 200 ° C, thiab lub pouring system muaj me ntsis tsis kam mus rau cov ntaub ntawv txaus.
(3 Trasucent pelles, icjection molding thiab extrusion molding.Molding kub yog 350 - 400C, 475 ℃ thiab saum toj no yog ib qho yooj yim los ua kom muaj xim los yog blistering. Them rau qhov nyuaj ntawm demolding.
(4) Vim yog cov nyhuv corrosion ntawm cov khoom molten ntawm hlau, ntev - lub sij hawm ntau lawm yuav tsum tau chrome plating rau pwm.PTFE yam ntxwv
PTFE yam ntxwv
(1) Kub kub tsis kam: ntev - siv sijhawm kub 200 ~ 260 ℃;
(2) Tsis tshua muaj kub tsis kam: softer ntawm - 100 ℃;
(3) Corrosion kuj: resistant rau aqua regia thiab tag nrho cov organic solvents;
(4) Huab cua tsis kam: qhov zoo tshaj plaws kev laus lub neej ntawm cov yas;
(5) High lubrication: nrog qhov tsawg tshaj plaws coefficient ntawm kev sib txhuam (0.04) ntawm cov yas;
(6) Tsis yog - nplaum: Nws muaj qhov tsawg tshaj plaws ntawm qhov nro ntawm cov khoom siv yam tsis ua raws li cov khoom siv.
Qhov sib txawv loj tshaj plaws yog tias PFA yooj yim dua rau txheej txheem thiab kim dua PTFE, tab sis hauv kev xyaum PTFE muaj kev tiv thaiv corrosion zoo dua thiab kuj tiv taus qhov kub thiab txias.
Sansheng Fluorine Plastics Technology yog cov chaw tsim khoom lag luam thiab cov chaw muag khoom ntawm npauj npaim li qub hauv Suav teb, ua PTFE thiab PFAlined npauj npaim li qub, yog tias koj muaj lus nug txog npauj npaim li qub lossis thov rau cov lus hais, thov koj xav tiv tauj peb.+8615067244404
Hnub tim: 2022-11-16 00:00:00