Uma usebenzisa into evala ukushisa emaphaketheni okudla, faka ithreyi yokubhaka, noma umboze ibhande lokudlulisa ukudla nge I-PTFE high-temperature tape , udinga ukwazi: ingashisa kangakanani? Isikhathi esingakanani? Futhi igcina ingaphephile nini?
I-PTFE yaziwa ngokuhle kakhulu ukumelana nokushisa, kodwa 'ukumelana nokushisa' akusho 'okungenamkhawulo'. Ukweqa imingcele yamazinga okushisa kungabangela ukuwohloka kwempahla - futhi ezimweni ezimbi kakhulu, kukhiphe intuthu enobuthi okungafanele ithinte ukudla.
I-Aokai PTFE inikeze amateyipu e-PTFE ebanga lokudla iminyaka. Lo mhlahlandlela uchaza izindawo eziphephile zokushisa, imikhawulo yesikhathi, kanye nezimfuneko zokulawula (i-FDA, EU) zezicelo zokuxhumana zokudla.
Imikhawulo Yezinga Lokushisa - Izindawo Ezintathu Ezibucayi
Isigaba Sezinga lokushisa |
Inani |
Amanothi Abalulekile |
Izinga Lokushisa Eliqhubekayo |
≤ 260°C |
Umkhawulo oyinhloko. I-tape igcina ukusebenza okuzinzile kwesevisi yesikhathi eside kuleli zinga lokushisa. Ifanele amahhavini okubhaka, izinto zokuvala ukushisa, nemishini yokomisa. |
Izinga Lokushisa Lesikhathi Esifushane |
≤ 300°C |
Kuvunyelwe kuphela isikhathi esifushane kakhulu (isb., imizuzu emi-5-10). Ukuchayeka isikhathi eside phakathi kuka-260°C no-300°C kusheshisa ukuguga kwezinto futhi kuphakamisa ubungozi bokuphepha kakhulu. |
Izinga Lokushisa Elivinjelwe |
> 327°C |
I-PTFE iqala ukubola ngaphezu kwaleli zinga lokushisa futhi ingase ikhiphe intuthu enobuthi (kuhlanganise ne-perfluoroisobutylene). Ukusetshenziswa kwenqatshelwe ngokuphelele. Ukuxhumana nelangabi eliqondile kufanele kugwenywe ngokuphelele. |
Umkhawulo Wezinga Lokushisa Eliphansi |
≥ -70°C |
I-tape ihlala isetshenziswa ezindaweni ze-cryogenic kodwa iba brittle. Ukugoba kanye nomthelela wemishini kufanele kugwenywe ukugwema ukuqhekeka. |
I-Aokai PTFE ikhiqiza itheyiphu yebanga lokudla ehlolelwe ukumelana no-260°C ngokuqhubekayo. Seluleka amakhasimende anezinhlelo zokusebenza ezisemngceleni (isb., 270-280°C ngezikhathi ezithile) ukuthi enze imephu yezinga lokushisa endaweni futhi acabangele izinga letheyipu elijiyile, elihlinzeka ngesisindo esiningi esishisayo kanye nokuwohloka kancane.
Imikhawulo Yesikhathi - Ingakanani 'Iphephile'?
Okwamanje, imithethonqubo emikhulu yokuphepha yamazwe ngamazwe ehlanganisa i-FDA 21 CFR 177.1550 (USA) kanye Nomthethonqubo we-EU No 10/2011 awukasho ubude besikhathi obuhlangene obuphephile bokuxhumana bamateyipu e-PTFE. Imikhawulo yesikhathi inqunywa ngokuyinhloko izinga lokushisa lokusebenza.
Izinga lokushisa |
Isikhathi Sokuxhumana Esiphephile |
Ukubonisana |
≤ 260°C |
Isikhathi esinwetshiwe (kufika ezinsukwini ezingama-200 ezibaluliwe kwezinye izifundo) |
I-PTFE ihlala izinzile; akukho ukufuduka okulinganiselwe |
260-300°C |
Amaminithi (imvamisa imizuzu emi-5-30, kuya ngezinga lokushisa eliqondile) |
Ukuguga okusheshayo; kuqala ukucekelwa phansi komhlaba |
> 300°C |
Akunconyiwe; imizuzwana ukuya emaminithini ambalwa ubukhulu |
Ingozi yokubola ikhula ngokushesha |
Izibonelo ezisebenzayo:
Ukubhaka isinkwa ku-200 ° C imizuzu engu-30 - kuphephe ngokuphelele, ukusetshenziswa okuphindaphindiwe kwezinyanga kulungile.
Izikhwama ze-polyethylene ezivala uphawu ku-180 ° C isekhondi elingu-1 - ziphephile, izigidi zemijikelezo zingenzeka.
Ukuhlanza isivalo sokushisa ngokusebenza ku-280°C imizuzu engu-10 - kuyamukeleka ngezikhathi ezithile, kodwa hhayi nsuku zonke.
Ukusebenzisa itheyiphu ye-PTFE njenge-grill liner ku-300°C amahora angu-2 – akuphephile; i-tape izokwehlisa.
Ukuthobela Umthetho - FDA & EU Standards
I-FDA 21 CFR 177.1550 – Lo mthethonqubo uhlanganisa izinhlaka ze-PTFE zokuphinda ukuthinta ukudla. Ayicacisi isikhathi esinqunyiwe kodwa idinga ukuthi i-athikili eqediwe (itheyiphu) kufanele yenziwe ngokuthobelana Nemikhuba Emihle Yokukhiqiza (GMP) futhi akumele ibangele ukudla konakale.
I-EU Regulation 10/2011 - Lo mthethonqubo uhlanganisa izinto zepulasitiki ezihloselwe ukuthintana nokudla. I-PTFE isohlwini njengento egunyaziwe. Imikhawulo yokuthutha iyonke iyasebenza (ngokuvamile ≤10 mg/dm²).
Ukuthi ukuthobela kuqinisekiswa kanjani: Ukuthobela umthetho kuyehluka ngokwesimo sesicelo futhi kufanele kuqinisekiswe ngokuhlolwa kokufuduka . Ukuhlola okunjalo kuklanywe ngokusekelwe ekuhlanganiseni okuqinile kwezinga lokushisa kanye nobude besikhathi sokuxhumana ezimweni zangempela zokusebenza.
Uhlobo Lokuhlola |
Izimo Ezijwayelekile |
Inhloso |
Ukugcwaliswa okushisayo / i-pasteurization |
≤100°C amahora ama-2 |
Qinisekisa ukuthi akukho ukufuduka kwamakhemikhali ekudleni okunamanzi noma okunamafutha |
Ukubhaka kuhhavini |
Bhaka ku-200-250 ° C imizuzu engu-30-60 |
Lingisa izimo zokubhaka |
Izinga lokushisa eliphakeme lesikhathi esifushane |
Bhaka ku-260 ° C imizuzu engu-15 |
Okubi kakhulu kwezinhlelo zokusebenza zokuvala ukushisa |
Okufanele ukwenze:
✓ Sebenzisa itheyiphu ye-PTFE ngaphakathi kuka -260°C ngokuqhubekayo ukubhaka, ukuvala, nokudlulisa
✓ Ngemijikelezo emifushane yokuhlanza ku- 280-300°C , khawula ubude besikhathi ukuya kumaminithi angu-5-10 futhi uvumele ukupholisa.
✓ Shintsha itheyiphu lapho indawo iba mahlaza, ishintshe umbala, noma ukusebenza okunganamathiki kuncipha
✓ Gcina itheyiphu endaweni ehlanzekile, eyomile ngokwemininingwane yomkhiqizi
Ungakwenzi:
✗ Ungalokothi udlule ku -327°C - I-PTFE ibola futhi ikhiphe intuthu enobuthi
✗ Ungalokothi usebenzise ilangabi eliqondile ku-PTFE tape
✗ Ungasebenzisi itheyiphu ye-PTFE engaphezu kuka-260°C ukuze uxhumane nokudla isikhathi eside (isb, ukubhaka usuku lonke ku-270°C)
✗ Ungazizibi izimpawu zokuguga - ukuphuzi, ukuqina, noma ukuqhekeka kwendawo
Uma ungabaza: Yenza ukuhlolwa kokufuduka ngezinga lokushisa elibi kakhulu kanye nobude besikhathi, noma thintana nomkhiqizi wekhasethi ukuze uthole idatha ethile yohlelo lokusebenza.
Kafushane , itheyiphu yezinga lokushisa eliphezulu ye-PTFE iphephile ukuthintana nokudla uma isetshenziswa ngaphakathi kwemikhawulo yayo echaziwe: ≤260°C ukuze isetshenziswe ngokuqhubekayo, ≤300°C ngeziqongo ezimfushane (imizuzu kuphela) , futhi ingalokothi ibe ngaphezu kuka-327°C . Imithetho ye-FDA ne-EU ayibeki umkhawulo wesikhathi ojwayelekile - ubude bokuxhumana obuphephile buncike ezingeni lokushisa futhi kufanele kuqinisekiswe izivivinyo zokufuduka ezilingisa izimo zangempela.
Ezisetshenziswa ezivamile zokudla - ukubhaka, ukuvala ukushisa, namalayini anganamathelanga - itheyiphu ye-PTFE ingaphakathi kwemingcele ephephile. Kodwa njalo kala izinga lokushisa langempela langaphezulu, shintsha itheyiphu endala ngokushesha, futhi uthintane nemibhalo yokuthobela imithetho yezinhlelo zokusebenza ezilawulwayo.
Udinga itheyiphu ye-PTFE yebanga lokudla ngezinga lokushisa elithile nobude besikhathi? I-Aokai PTFE inikeza amateyipu athobela i-FDA anezigaba zokusebenza eziphephile ezibhaliwe. Xhumana nathi ukuze uthole amashidi edatha yezobuchwepheshe kanye nokwesekwa kokuhlolwa kokufuduka.
Lokhu okuqukethwe kunikezwe i-Jiangsu Aokai New Materials Technology Co., Ltd.
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