PTFE yakavharwa nefiberglass jira rakachengeteka pakubata chikafu kana rakagadzirwa nemazvo uye richishandiswa zvinoenderana negwara. Ichi chitsva chinyorwa chinosanganisa zvisiri-tsvimbo zvePTFE (polytetrafluoroethylene) nesimba uye kusimba kwefiberglass, zvichigadzira nzvimbo inogoneka kune zvakasiyana-siyana zvine chekuita nechikafu. Iyo FDA yakabvumidza PTFE yekubata chikafu, uye kana yaiswa nemazvo kune fiberglass, inochengetedza inert yayo. Nekudaro, zvakakosha kuti uve nechokwadi chekuti coating yakamira uye inoshandiswa mukati meyakakurudzirwa tembiricha yekudzivirira chero inogona kukanganisa. Kana yatorwa kubva kune vagadziri vane mukurumbira vanoomerera kune yakasimba kudzora mhando, PTFE yakavharidzirwa fiberglass inopa yakachengeteka, isiri-chepfu, uye inoshanda mhinduro yekugadzira chikafu uye maindasitiri ekurongedza.
![PTFE Coated Fabric]( "PTFE Coated Fabric")
Kunzwisisa PTFE Yakavharwa Fiberglass uye Yayo Yekuchengetedza Chikafu Zvivakwa
Kuumbwa uye Kugadzira Maitiro ePTFE Yakavharwa Fiberglass
PTFE yakavharwa jira refiberglass chinhu chakaumbwa chinosanganisa chakasarudzika chezvose zviri zviviri PTFE uye fiberglass. Maitiro ekugadzira anotanga nehwaro hwaro hwefiberglass yakarukwa, iyo inopa simba uye kugadzikana kwedimensional. Iyi fiberglass substrate inobva yaputirwa nePTFE, inozivikanwawo seTeflon, kuburikidza nemaitiro akasarudzika anovimbisa yunifomu uye yakasimba coating.
Iyo PTFE coating inoshandiswa uchishandisa nzira dzakasiyana, kusanganisira dip coating, spray coating, kana roller coating. Mushure mekushandisa, zvinhu zvacho zvinosangana nekupisa kurapwa kunonzi sintering. Iyi yepamusoro-yekupisa inonyungudutsa PTFE particles, zvichiita kuti iyerere uye iite nzvimbo inopfuurira, yakatsetseka inonamatira zvakasimba kune fiberglass substrate.
Mhedzisiro ndeyezvinhu zvinobatsira kubva kune isiri-tsvimbo, kemikari-resistant zvimiro zvePTFE uye kusimba uye kupisa kupikisa kwefiberglass. Iyi yakasarudzika musanganiswa inoita kuti PTFE yakavharwa fiberglass ive sarudzo yakanaka kune akawanda maapplication, kusanganisira ayo anosanganisira kusangana nechikafu.
Kemikari Inertness uye Non-Reactivity neChikafu Zvinhu
Chimwe chezvikonzero zvekutanga PTFE yakavharwa nefiberglass jira rinoonekwa rakachengeteka pakubata kwechikafu ndiko kusarudzika kwekemikari inertness. PTFE inozivikanwa nekusaita-reactive hunhu, zvichireva kuti haidyidzane kemikari nezvinhu zvakawanda, kusanganisira chikafu.
Uku kugadzikana kwekemikari kunobva kune yakasimba kabhoni-fluorine zvisungo muPTFE molecule. Izvi zvisungo zvakasimba zvokuti zvinoramba kuputsa kana kuita nezvimwe zvinhu, kunyange pasi pekushisa kwakanyanya kana pamberi pemakemikari ane utsinye. Nekuda kweizvozvo, PTFE yakavharwa fiberglass haiburitse zvinhu zvinokuvadza muchikafu, uye haitore hwema kana zvinonhuwira kubva muzvokudya.
Iyo isiri-reactive hunhu hwePTFE zvinoreva zvakare kuti haikurudzire kukura kwebhakitiriya, zvichiita kuti ive sarudzo yakanakisa yenzvimbo dzekugadzira chikafu uko hutsanana hwakakosha. Ichi chivakwa, chakasanganiswa nechayo chakatsetseka, chisina-porous surface, chinoita kuti PTFE yakavharwa fiberglass ive nyore kuchenesa nekuchengetedza mumamiriro ekudya-akachengeteka.
Temperature Resistance uye Kugadzikana muChikafu Kugadzira Nzvimbo
PTFE yakanamirwa fiberglass inoratidza inoshamisa tembiricha kuramba, chinhu chakakosha mukukodzera kwayo kwechikafu chekubata maapplication. Izvo zvinhu zvinokwanisa kumira tembiricha kubva -100 ° F kusvika 500 ° F (-73 ° C kusvika 260 ° C) pasina kuderera kwakanyanya kana kurasikirwa kwezvinhu.
Iyi tembiricha yakakura inoita kuti PTFE yakavharwa fiberglass ikwane kune dzakasiyana siyana kugadzira chikafu, kubva kuchando kusvika pakubheka. Munzvimbo dzinotonhora, zvinhu zvinoramba zvichichinjika uye hazviite brittle. Mukushanda kwepamusoro-kupisa, inochengetedza zvisizvo zvayo zvisingabatsiri uye kutendeseka kwemaitiro pasina kusunungura zvinhu zvinokuvadza.
Zvakadaro, zvakakosha kuziva kuti nepo PTFE pachayo ichikwanisa kushingirira tembiricha yepamusoro, iyo inokurudzirwa yakanyanya tembiricha yekushanda yePTFE yakavharidzirwa fiberglass inowanzotenderedza 500°F (260°C). Kupfuura tembiricha iyi, pane njodzi yekuti iyo coating inotanga kudzikira, iyo inogona kukanganisa midziyo yayo ine chikafu.
Regulatory Approvals uye Indasitiri Miyero yeChikafu Kubata Zvishandiso
FDA Mitemo uye Mvumo yePTFE muChikafu Kubata Zvikumbiro
Iyo US Chikafu neDrug Administration (FDA) yakaongorora zvakanyanya PTFE uye kukodzera kwayo kwechikafu kunyorera application. PTFE yakanyorwa muFDA's Code of Federal Regulations (CFR) Title 21, kunyanya muzvikamu 177.1380 uye 177.1550, izvo zvinovhara fluorocarbon resin.
Iyi mirau inotaura mamiriro ekuti PTFE inogona kushandiswa zvakachengeteka mukudya kwekudya. Vanovhara zvinhu zvakaita sezvinotenderwa zvigadzirwa, zvigadzirwa zvekugadzirisa, uye nzira dzekugadzira. Mvumo yeFDA yakavakirwa patsvagurudzo yesainzi uye zvidzidzo zvehupfu zvakaratidza kuchengetedzeka kwePTFE kana ikashandiswa sezvaidiwa.
Zvakakosha kucherechedza kuti nepo FDA ichibvumidza PTFE yekubata chikafu, vagadziri vePTFE yakavharwa fiberglass vanofanirwa kuona kuti zvigadzirwa zvavo zvinoenderana nemirairo yese. Izvi zvinosanganisira kwete chete PTFE coating asiwo iyo fiberglass substrate uye chero zvinowedzera kana zvigadziriso zvinoshandiswa mukugadzira maitiro.
European Union uye Mamwe Mamiriro Epasi Pese eChikafu Kubata Zvishandiso
Pamusoro pemirairo yeFDA, PTFE yakavharwa jira refiberglass rinofanirwa kuenderana nezviyero zvepasirese, kunyanya kune zvigadzirwa zvinotengeswa kunze kwenyika. European Union (EU) ine yayo seti yemitemo yezvinhu zvakagadzirirwa kusangana nechikafu, inozivikanwa seFramework Regulation (EC) No 1935/2004.
Pasi pechirongwa ichi, PTFE inoonekwa sepurasitiki uye iri pasi pematanho akatsanangurwa muRegulation (EU) No 10/2011 pazvinhu zvepurasitiki uye zvinyorwa zvinotarisirwa kusangana nechikafu. Uyu murairo unoisa runyoro rwakanaka rwezvinhu zvinogona kushandiswa mukugadzira chikafu chekubata mapurasitiki, kusanganisira PTFE.
Dzimwe nyika nematunhu vane zviyero zvavo nemirau. Semuenzaniso, Japan ine Japan Chikafu Sanitation Law, nepo China iine GB zviyero zvechikafu chekubata zvinhu. Vagadziri vanovavarira misika yepasi rose vanofanirwa kuona kuti zvigadzirwa zvavo zvePTFE zvakavharwa nefiberglass zvinoteerana neaya akasiyana mazinga.
Indasitiri-Yakajeka Zvitupa uye Hunhu Hwekusimbisa Matanho
Kupfuura kutevedza kwemitemo, vagadziri vazhinji vePTFE yakavharwa fiberglass vanotsvaga zvimwe zvitupa kuratidza kunaka uye kuchengetedzeka kwezvigadzirwa zvavo. Izvi zvitupa zvinowanzo sanganisira kuomarara kuyedzwa uye maitiro ekuongorora kuti ive nechokwadi chakaenderana mhando uye kuchengetedza zviyero.
Imwe setifiketi yakadaro ndeye ISO 22000 yakajairwa, iyo inotsanangudza zvinodiwa kune chikafu chekuchengetedza manejimendi system. Kunyange chiyero ichi chinowanzo shandiswa kune vanogadzira chikafu, vatengesi vezvekudya sePTFE yakavharwa fiberglass vanogona kutsvagawo chitupa kuratidza kuzvipira kwavo kuchengetedza chikafu.
Chimwe chitupa chakakosha ndeye HACCP (Hazard Analysis uye Critical Control Points) system. Kunyangwe ichinyanya kushandiswa muindasitiri yechikafu, misimboti yeHACCP inogona kushandiswa mukugadzirwa kwezvinhu zvekusangana nechikafu kuti ive nechokwadi chekuti njodzi dzinogona kuitika dzinoonekwa uye kudzorwa.
Vazhinji vagadziri vanoisawo akasimba emhando yekudzora matanho mukati memaitiro avo ekugadzira. Izvi zvinogona kusanganisira kugara uchiyedzwa kwezvinhu zvakabikwa, in-process cheki, uye chekupedzisira chigadzirwa bvunzo kuona kuti PTFE coating yakanyatsoiswa uye inosangana nezvinodiwa zvese zvekushandisa chikafu.
Maitiro Akanyanya Ekushandisa PTFE Yakavharwa Fiberglass muKugadzira Chikafu
Kubata Kwakakodzera uye Kugadziriswa kwePTFE Yakavharwa Fiberglass Zvigadzirwa
Kuchengetedza chikafu-chakachengeteka zvimiro zvePTFE yakavharwa fiberglass, kubata kwakaringana uye kugadzirisa kwakakosha. Vashandisi havafanirwe kushandisa zvinhu zvakapinza kana zvinokwesha zvinogona kukwenya kana kukuvadza PTFE coating. Kunyangwe zvidiki zvidiki zvinogona kukanganisa iyo isiri-tsvimbo uye inogona kugadzira nzvimbo dzinogona kuungana zvimedu zvekudya kana mabhakitiriya.
Kugara uchiongorora PTFE yakavharwa fiberglass zvigadzirwa zvinokurudzirwa kutarisa chero zviratidzo zvekupfeka kana kukuvara. Kana kukanganisa kupi nekupi kukaonekwa, chigadzirwa chinofanira kutsiviwa kuti ive nechokwadi chekuchengetedza chikafu. Zvakakoshawo kutevedzera gwara remugadziri pakuchenesa nekugadzirisa, izvo zvinowanzobatanidza kushandisa zvinyoro zvekugezesa uye kudzivirira hutsinye hwekuchenesa makemikari zvinogona kukanganisa PTFE coating.
Kuchengetedza kwakaringana chimwe chinhu chakakosha chekuchengetedza PTFE yakavharwa fiberglass zvigadzirwa. Dzinofanirwa kuchengetwa munzvimbo yakachena, yakaoma kure nechiedza chezuva uye tembiricha yakanyanyisa. Kuturika zvinhu zvinorema pamusoro pePTFE yakavharwa machira efiberglass kana machira kunofanirwa kudziviswa kudzivirira kukuvadzwa kwejasi.
Temperature Limitations uye Kudzivisa Kupisa
Nepo PTFE yakavharwa nefiberglass jira richizivikanwa nekunaka kwayo kupisa kupisa, zvakakosha kutevedzera zvinokurudzirwa tembiricha. Sezvambotaurwa, iyo yakajairika tembiricha yekushanda yePTFE yakavharwa fiberglass inotenderedza 500 ° F (260 ° C). Kupfuura tembiricha iyi kunogona kutungamirira mukushatiswa kwePTFE coating, zvingangokanganisa hupfumi hwayo hwekudya.
Mukugadzira chikafu, zvakakosha kutarisa nekudzora tembiricha nemazvo. Izvi zvakanyanya kukosha mukupisa-kupisa kunyorera sekubika kana kugadzira chikafu mumaindasitiri. Kushandisa tembiricha yekutarisa masisitimu uye kumisikidza nzira dzekushanda dzakajeka dzinogona kubatsira kudzivirira kupisa netsaona.
Zvakakosha kucherechedzawo kuti nepo PTFE pachayo isinganyunguduke kusvika pakupisa kwakanyanya (kutenderedza 620°F kana 327°C), mashandiro emuchina wefiberglass substrate anogona kutanga kudzikira patembiricha yakaderera. Naizvozvo, kugara mukati meiyo inokurudzirwa tembiricha renji kwakakosha pakuchengetedza zvese kushanda uye kuchengetedzwa kwezvinhu.
Kuchenesa uye Sanitization Protocol dzeChikafu Kubata Nzvimbo
Kucheneswa kwakaringana uye kuchenesa kwePTFE yakavharwa nefiberglass nzvimbo kwakakosha munzvimbo dzekugadzira chikafu. Nhau dzakanaka ndedzekuti iyo isiri-tsvimbo yePTFE inoita kuti nzvimbo idzi dzive nyore kuchenesa. Nekudaro, maprotocol chaiwo anofanirwa kuteverwa kuti ive nechokwadi chekucheneswa pasina kukuvadza coating.
Pakuchenesa nguva dzose, mvura inodziya uye detergent yakapfava inowanzokwana. Dzivisa kushandisa maturusi ekuchenesa maturusi kana makemikari ane hasha anogona kukanganisa PTFE coating. Machira akapfava kana masiponji anokurudzirwa kuchenesa. Mushure mekugeza, nzvimbo dzinofanira kunyatsosukurudzwa nemvura yakachena kubvisa chero mushonga unosara.
Mukuita sanitization, ma sanitizer egiredhi echikafu akatenderwa kushandiswa panzvimbo yekubata chikafu anofanirwa kushandiswa. Zvakakosha kutevedzera mirairo yemugadziri maererano nekutarisa uye nguva yekuonana. Mushure mekuchenesa, nzvimbo dzinofanira kugezwa zvakare nemvura inonwiwa.
Mune dzimwe nzvimbo dzekugadzira chikafu, kuchenesa mhepo kunogona kushandiswa. PTFE yakavharidzirwa fiberglass inogona kushingirira kucheneswa kwemhepo, asi chenjedzo inofanirwa kutorwa kuti isapfuure tembiricha yemidziyo. Gara uchitevera kurudziro yemugadziri yekuchenesa uye nzira dzekuchenesa.
Mhedziso
PTFE yakavharwa nefiberglass jira rinoratidza kuve rakachengetedzeka uye rinoshanda zvinhu zvechikafu kubata maapplication kana akagadzirwa nemazvo uye akashandiswa. Musanganiswa wayo wakasarudzika wemakemikari inertness, tembiricha kuramba, uye isiri-tsvimbo zvivakwa zvinoita kuti ive sarudzo yakanaka kune akasiyana siyana ekugadzira chikafu uye kurongedza mabasa. Nekuomerera kumitemo, kutevedzera akanakisa maitiro mukubata nekugadzirisa, uye kuita kwakaringana kuchenesa maprotocol, maindasitiri anogona kushandisa mabhenefiti ePTFE yakavharidzirwa fiberglass uku ichivimbisa huwandu hwepamusoro hwekuchengetedza chikafu. Sezvinoita chero chikafu chekudya, zvakakosha kuti utore zvigadzirwa zvePTFE zvakavharwa nefiberglass kubva kune vagadziri vane mukurumbira vanoisa pamberi pemhando uye kutevedzera mitemo yekuchengetedza chikafu.
Taura nesu
Yemhando yepamusoro PTFE yakavharwa jira refiberglass rinosangana nepamusoro pekuchengetedza zviyero zvechikafu chekubata maapplication, funga Aokai PTFE . Zvigadzirwa zvedu zvinogadzirwa nemazvo uye nehanya, kuve nechokwadi chekushanda kwakakwana uye kuchengetedzeka munzvimbo dzekugadzira chikafu. Kuti udzidze zvakawanda nezvemhando yedu yePTFE yakavharidzirwa fiberglass zvigadzirwa uye kuti vangabatsirike sei magadzirirwo ako ekudya, taura nesu pa mandy@akptfe.com . Rega Aokai PTFE ive shamwari yako mukuchengetedza kuchengetedzwa kwechikafu uye kushanda zvakanaka.
References
FDA. (2021). Code of Federal Regulations Title 21, Chikamu 177 - Yakananga Chikafu Additives: Polymers. US Food and Drug Administration.
European Commission. (2004). Regulation (EC) Hapana 1935/2004 pane zvinhu uye zvinyorwa zvakagadzirirwa kusangana nechikafu. Official Journal yeEuropean Union.
Dupont. (2020). DuPont™ Teflon® Industrial Coatings: Chikafu Bata Kutevedzera. Nhoroondo ye DuPont de Nemours, Inc.
Warwick, D. (2018). Zvokudya Zvokubata Zvishandiso - Rubber, Silicones, Coatings uye Inks. Nhoroondo ye Smithers Information Ltd.
ISO. (2018). ISO 22000: 2018 Chikafu chekuchengetedza manejimendi masisitimu - Zvinodiwa kune chero sangano mune chikafu cheni. International Organisation for Standardization.
Codex Alimentarius Commission. (2003). Yakakurudzirwa International Code of Practice General Principles of Food Hygiene. Food and Agriculture Organisation yeUnited Nations.
