PTFE yakaoma kuumba uye yechipiri maitiro.PTFE zvinhuine yakakura shrinkage rate uye yakanyanya kunyunguduka viscosity, saka haigone kushandiswa mune yechipiri kugadzirisa maitiro senge jekiseni molding uye calendering, iyo inowanzoshandiswa kumapurasitiki.PTFE tsvimbo gondohwe extruder inosangana nezvinodiwa zvekugadzirisa.Saka nei PTFE yakaoma kugadzirisa?
1. Urombo hwema mechanical properties uye kutakura mutoro.Iyo mechanical simba yePTFE inongova 14 kusvika 25 MPa, isina kusimba, asi kureba kwekutyoka kwakakura.Iyo coefficient yekuwedzera kwemutsara yakakura.Mu -50 ~ 250 ℃, iyo PTFE mutsara wekuwedzera coefficient ye1.13 × 10-4 ~ 2.16 × 10-5 / ℃, iri ka13 simbi.Naizvozvo, zviri nyore kukanganisa, kupaza, uye zvimwe zviitiko nezvimwe zvinhu.
2. Kushata kwekushisa kwekushisa.Thermal conductivity ye 0.24kcal/(mh-℃ chete), zviri nyore kukonzera kuwedzera kwemafuta, kuneta kwekupisa, uye deformation yekupisa.
3. Kusaita zvinokambaira zvinoramba, zviri nyore kutonhora kuyerera.PTFE mune yenguva refu basa remutoro, zvinokambaira zvakakura, uye zvinowanzoita kutonhora kuyerera chiitiko.Kusagadzikana kweabrasion resistance,PTFEkuoma kwezvinhu kwakaderera, uye abrasion yakakura.Kana iyo mutoro (P) uye inotsvedza kumhanya (V) ichipfuura mamwe mamiriro, kupfeka kwayo kwekupokana kunova kwakakura.Iko kukosha kwePV saka kwakati kushomeka mukushandisa uye mutengo wekugadzira wakakwira.Izvo zvakakanganisika pamusoro pePTFE zvinodzikamisa mashandisirwo ayo, kuvandudza mashandiro ayo akazara.Tsvagiridzo yePTFE kumba nekune dzimwe nyika yakanangana nekutsvaga nzira dzakakodzera dzekugadzirisa, nekudaro kuvandudza mashandiro ayo kusvika pamwero wakati uye nekuwedzera huwandu hwayo hwekushandisa.
4. Iinewo kupikisa kwakanakisisa kune kutonhora kwepamusoro uye kwakadzika, iyo inoita kuti ishandiswe zvakanyanya mumashandisirwo akadai sekugadzirwa kwepani dzisina tsvimbo nokuda kwezvinangwa zvinopesana.Pamusoro pePTFE molecule yakaputirwa zvachose nemaatomu efluorine uye naizvozvo ine unhu husina-tsvimbo, izvo zvinoita kuti zviome kusungirirwa nemaitiro akajairika.Iyo anti-adhesive process ine maviri makuru marudzi: kukwira PTFE zvikamu kana mashiti pane substrate uye kupisa-kuderera.PTFE coatingskana lacquered jira laminated negirazi pane substrate.
Nguva yekutumira: Zvita-09-2022