Lapi ra fiberglass leri pfanganisiweke na PTFE hakunene ri hlayisekile eka ku hlangana na swakudya loko ri endliwe kahle naswona ri tirhisiwa kuya hi swiletelo. Nchumu lowu wa vutumbuluxi wu hlanganisa swivumbeko leswinga namarheli swa PTFE (polytetrafluoroethylene) na matimba na ku tiya ka fiberglass, leswi endlaka leswaku kuva na xivumbeko xotala lexinene eka switirhisiwa swohambana hambana leswi fambelanaka na swakudya. FDA yi pasisile PTFE kuva yi hlangana na swakudya, naswona loko yi cheriwa kahle eka fiberglass, yi hlayisa ntumbuluko wa yona wo ka yinga tirhi. Hambiswiritano, swina nkoka swinene kutiyisisa leswaku coating ayi onhakanga naswona yitirhisiwa eka mahiselo lawa ya ringanyetiweke ku sivela ku onhaka kwihi na kwihi lokunga vaka kona. Loko yi kumiwa kusuka eka vaendli lava tivekaka lava landzelelaka magoza yo tika ya vulawuri bya khwalithi, PTFE coated fiberglass yinyika xitshunxo lexi hlayisekeke, lexinga riki na chefu, na lexi tirhaka kahle eka ti indasitiri ta ku lulamisa swakudya na ku paka.
![Lapi leri pfanganisiweke na PTFE]( "PTFE Coated Fabric")
Ku twisisa PTFE Coated Fiberglass na Swihlawulekisi swa Yona swa Vuhlayiseki bya Swakudya
Xivumbeko na Maendlelo ya Vumaki bya PTFE Coated Fiberglass
Lapi ra fiberglass leri pfanganisiweke na PTFE i nchumu lowu hlanganisiweke lowu hlanganisaka swivumbeko swo hlawuleka swa PTFE na fiberglass. Endlelo ro endla swilo risungula hi base layer ya woven fiberglass, leyi nyikaka matimba xikan’we naku tiya ka dimensional. Substrate leyi ya fiberglass yitlhela yi cheriwa PTFE, leyi tivekaka tani hi Teflon, hiku tirhisa endlelo ro hlawuleka leri tiyisisaka ku peta loku fanaka naku tiya.
Xifunengeto xa PTFE xi cheriwa hiku tirhisa tindlela to hambana hambana, kukatsa na dip coating, spray coating, kumbe roller coating. Endzhaku ko cheriwa, nchumu lowu wu endla endlelo ro hisa leri vuriwaka sintering. Endlelo leri ra mahiselo yale henhla ri n’okisa swiphemuphemu swa PTFE, leswi endlaka leswaku swi khuluka naswona swi endla ndzhawu leyi yaka emahlweni, yo olova leyi namarhelaka swinene eka fiberglass substrate.
Mbuyelo wakona i nchumu lowu vuyeriwaka eka swivumbeko leswinga namarheli, leswinga tiyisela ti khemikhali swa PTFE xikan’we na matimba naku tiya ka kuhisa ka fiberglass. Nkatsakanyo lowu wo hlawuleka wu endla leswaku PTFE coated fiberglass yiva nhlawulo lowunene eka switirhisiwa swotala, kukatsa na leswi katsaka ku khumbana ka swakudya.
Ku nga tirhi ka tikhemikhali na ku nga endli nchumu na Swilo swa swakudya
Xin’wana xa swivangelo leswikulu leswi endlaka leswaku lapi ra fiberglass leri pfanganisiweke na PTFE ri tekiwa ri hlayisekile eka ku khumbana ka swakudya i ku nga tirhi ka rona loku hlawulekeke ka tikhemikhali. PTFE yitiveka hi ntumbuluko wa yona lowu nga endliki nchumu, leswivulaka leswaku ayi tirhisani hi ti khemikhali na swilo swotala, kukatsa na swakudya.
Ku tiya loku ka tikhemikhali swivangiwa hi swihlanganisi swo tiya swa carbon-fluorine eka molecule ya PTFE. Swiboho leswi swi tiyile swinene lerova swi lwisana ni ku tshoveka kumbe ku tirhisana ni swilo swin’wana, hambi ku ri ehansi ka mahiselo lamakulu kumbe loko ku ri ni tikhemikhali leti nga ni matimba. Hikwalaho ka sweswo, fiberglass leyi funengetiweke hi PTFE a yi nghenisi swilo leswi nga ni khombo eka swakudya, naswona a yi tswongi nun’hwelo kumbe nantswo lowu humaka eka swilo swa swakudya.
Ntumbuluko wa non-reactive wa PTFE wutlhela wuvula leswaku ayi hlohleteli kukula ka ti bacteria, leswi endlaka leswaku yiva nhlawulo wa kahle swinene eka tindzhawu to lulamisa swakudya laha vuhlayiseki byinga bya nkoka swinene. Nhundzu leyi, xikan’we na xivumbeko xa yona xo olova, lexinga riki na ti porous, swiendla leswaku PTFE coated fiberglass yi olova ku basisiwa naku hlayisiwa eka swiyimo leswi hlayisekeke eka swakudya.
Ku tiya ka mahiselo na kutshamiseka eka tindzhawu to lulamisa swakudya
PTFE coated fiberglass yi kombisa ku tiya loku hlamarisaka ka mahiselo, nchumu wa nkoka eka ku faneleka ka yona eka switirhisiwa swa ku khumbana ka swakudya. Nchumu lowu wukota ku tiyisela mahiselo kusuka eka -100°F kuya eka 500°F (-73°C kuya eka 260°C) handle ko onhaka swinene kumbe ku lahlekeriwa hi swivumbeko.
Nxaxamelo lowu wo anama wa mahiselo wu endla leswaku PTFE coated fiberglass yi lulamela eka switirhisiwa swohambana hambana swaku lulamisa swakudya, kusuka eka ku titimela kuya eka ku baka. Eka tindzhawu leti titimelaka, swilo leswi switshama swirikarhi swi olova naswona aswi hundzuki brittle. Eka switirhisiwa swa mahiselo yale henhla, yi hlayisa swivumbeko swa yona leswinga namarheli xikan’we na vutshembeki bya xivumbeko handle ko humesa swilo leswinga na khombo.
Hambiswiritano, swina nkoka ku xiya leswaku hambi leswi PTFE hi yoxe yinga tiyisela mahiselo yale henhla, mahiselo yale henhla ya ntirho lawa ya hlohleteriwaka eka PTFE coated fiberglass hi ntolovelo ya kwalomu ka 500°F (260°C). Ku tlula mahiselo lawa, kuna khombo ra leswaku xifunengeto xisungula ku onhaka, leswinga onhaka swivumbeko swa xona leswi hlayisekeke eka swakudya.
Swibumabumelo swa Vulawuri na Swipimelo swa Indasitiri swa Switirhisiwa swo Hlangana na Swakudya
Milawu ya FDA na Swibumabumelo swa PTFE eka Swikombelo swa Ku Tihlanganisa na Swakudya
Vulawuri bya Swakudya na Mirhi bya le United States (FDA) byi kamberile swinene PTFE na ku faneleka ka yona eka switirhisiwa swa ku khumbana ka swakudya. PTFE yi xaxametiwile eka Khodi ya Milawu ya Federali ya FDA (CFR) Nhlokomhaka ya 21, ngopfungopfu eka swiphemu swa 177.1380 na 177.1550, leswi katsaka ti-resin ta fluorocarbon.
Milawu leyi yi veka swiyimo leswi ehansi ka swona PTFE yinga tirhisiwaka hiku hlayiseka eka switirhisiwa swa ku khumbana ka swakudya. Ti katsa swiyenge swo fana na switirhisiwa swo ka swi nga tirhisiwanga leswi pfumeleriwaka, swipfuno swo lulamisa, na tindlela to endla. Mpfumelelo wa FDA wu sekeriwe eka ndzavisiso lowukulu wa sayense na tidyondzo ta toxicological leti kombiseke vuhlayiseki bya PTFE loko yi tirhisiwa tanihilaha swi kunguhatiweke hakona.
Swifanele ku xiya leswaku hambi leswi FDA yi pfumelelaka PTFE kuva yi hlangana na swakudya, vaendli va fiberglass leyi pfanganisiweke na PTFE vafanele ku tiyisisa leswaku switirhisiwa swa vona swokarhi swi fikelela milawu hinkwayo leyi faneleke. Leswi aswi katsi ntsena PTFE coating kambe na fiberglass substrate xikan’we na swiengeteri swihi na swihi kumbe swipfuno swo lulamisa leswi tirhisiwaka eka maendlelo ya vumaki.
Nhlangano wa Yuropa na Swipimelo Swin’wana swa Matiko ya Misava swa Switirhisiwa swo Hlangana na Swakudya
Ku engetela eka milawu ya FDA, lapi ra fiberglass leri pfanganisiweke na PTFE ri fanele ku landzelela swipimelo swa matiko ya misava, ngopfu ngopfu eka switirhisiwa leswi rhumeriwaka ematikweni mambe emisaveni hinkwayo. European Union (EU) yina sete ya yona ya milawu ya switirhisiwa leswi kunguhatiweke ku hlangana na swakudya, leswi tivekaka tani hi Framework Regulation (EC) No 1935/2004.
Ehansi ka rimba leri, PTFE yi tekiwa tanihi pulasitiki naswona yi le hansi ka magoza yo karhi lama hlamuseriweke eka Nawumbisi (EU) No 10/2011 eka switirhisiwa swa pulasitiki na swilo leswi kunguhatiweke ku hlangana na swakudya. Nawumbisi lowu wu veka nxaxamelo lowunene wa swilo leswi nga tirhisiwaka eka ku endla tipulasitiki ta ku khumbana ka swakudya, ku katsa na PTFE.
Matiko ni swifundzha swin’wana swi ni mimpimanyeto ni milawu ya swona. Hi xikombiso, Japani rina Nawu wa Japani wa Swakudya, kasi China rina swipimelo swa GB eka switirhisiwa leswi hlanganaka na swakudya. Vaendli lava kongomisaka eka timakete ta misava hinkwayo va fanele ku tiyisisa leswaku switirhisiwa swa vona swa fiberglass leswi pfanganisiweke na PTFE swi landzelela swipimelo leswi swo hambana swa matiko ya misava.
Switifikheti leswi Hlawulekeke swa Indasitiri na Mimpimo ya Ntiyiso wa Khwalithi
Ku tlula ku landzelerisa milawu, vaendli votala va PTFE coated fiberglass va lava switifikheti swo engetelela ku kombisa khwalithi na vuhlayiseki bya switirhisiwa swa vona. Switifikheti leswi swi tala ku katsa maendlelo yo tika ya ku kambela na ku odita ku tiyisisa swiyimo swa khwalithi na vuhlayiseki leswi nga cincekiki.
Xin’wana xa switifikheti swo tano i ISO 22000 standard, leyi hlamuselaka swilaveko swa sisiteme ya vulawuri bya vuhlayiseki bya swakudya. Loko mpimanyeto lowu hi ntolovelo wu tirhisiwa eka vaendli va swakudya, vaphakeri va switirhisiwa swa ku khumbana ka swakudya swofana na PTFE coated fiberglass vanga tlhela va lava xitifikheti ku kombisa ku tinyiketela ka vona eka vuhlayiseki bya swakudya.
Xitifikheti xin’wana lexi faneleke i sisiteme ya HACCP (Hazard Analysis and Critical Control Points). Hambi leswi ngopfu ngopfu switirhisiwa eka indasitiri ya swakudya, milawu ya HACCP yinga tirhisiwa eka vumaki bya switirhisiwa swo khumbana na swakudya ku tiyisisa leswaku makhombo lawa yanga vaka kona ya tiviwa naku lawuriwa.
Vaendli votala vatlhela va tirhisa magoza yo tika ya vulawuri bya khwalithi eka maendlelo hinkwawo ya vona ya vuhumelerisi. Leswi swinga katsa ku kamberiwa ka nkarhi na nkarhi ka switirhisiwa swoka swinga lulamisiwanga, ku kamberiwa eka maendlelo, na ku kamberiwa ko hetelela ka swihumelerisiwa kutiyisisa leswaku PTFE coating yi cheriwile kahle naswona yi fikelela swipimelo hinkwaswo leswi lavekaka eka kutirhisiwa ka ku khumbana ka swakudya.
Maendlelo Lamanene yo Tirhisa PTFE Coated Fiberglass eka ku Endliwa ka Swakudya
Ku Khomiwa na ku Hlayisa Swilo leswi Faneleke swa Fiberglass leswi Funengetiweke hi PTFE
Ku hlayisa swivumbeko leswi hlayisekeke eka swakudya swa PTFE coated fiberglass, ku khoma kahle na ku hlayisiwa i swa nkoka swinene. Vatirhisi vafanele ku papalata kutirhisa swilo swo kariha kumbe switirhisiwa swo rhurhumela leswinga khwaxa kumbe ku onha xifunengeto xa PTFE. Hambi ku ri ku khwaxa lokutsongo ku nga onha ndhawu leyi nga namarheliki naswona swi nga ha endla leswaku ku va ni tindhawu leti swiphemuphemu swa swakudya kumbe tibakteriya ti nga hlengeletanaka eka tona.
Ku kamberiwa nkarhi na nkarhi ka switirhisiwa swa fiberglass leswi pfanganisiweke na PTFE swa hlohleteriwa ku kambela swikombiso swihi na swihi swa ku onhaka kumbe ku onhaka. Loko ku voniwa ku onhaka kwihi na kwihi, xiendliwa xifanele ku cinciwa ku tiyisisa vuhlayiseki bya swakudya lebyi yaka emahlweni. Switlhela swiva na nkoka ku landzelela swiletelo swa muendli eka ku basisa naku hlayisa, leswi hi ntolovelo swikatsa ku tirhisa swibasisi swo olova xikan’we naku papalata swibasisi swa ti khemikhali swo tika leswinga onhaka xifunengeto xa PTFE.
Ku hlayisiwa kahle i nchumu wun’wana wa nkoka wa ku hlayisa switirhisiwa swa fiberglass leswi pfanganisiweke na PTFE. Tifanele ku hlayisiwa eka ndzhawu leyi tengeke, yo oma ekule na dyambu ro kongoma xikan’we na mahiselo yotala swinene. Ku hlanganisa swilo swo tika ehenhla ka PTFE coated fiberglass sheets kumbe malapi swifanele ku papalatiwa ku sivela ku onhaka ka coating.
Ku Pfumala Mahiselo na Ku Papalata Ku Hisa Ku tlula mpimo
Loko lapi ra fiberglass leri pfanganisiweke na PTFE ri tiveka hi ku tiya ka rona lokunene ka ku hisa, i swa nkoka swinene ku namarhela swipimelo swa mahiselo leswi ringanyetiweke. Tani hilaha swinga boxiwaka hakona ekusunguleni, mahiselo yale henhla ya ntirho lawa ya tolovelekeke ya PTFE coated fiberglass ya kwalomu ka 500°F (260°C). Ku tlula mahiselo lawa swinga endla leswaku kuva na ku onhaka ka PTFE coating, leswinga onhaka swivumbeko swa yona leswi hlayisekeke eka swakudya.
Eka switirhisiwa swo lulamisa swakudya, swina nkoka ku langutisisa naku lawula mahiselo hi vukheta. Leswi swina nkoka swinene eka switirhisiwa leswi hisaka swinene swofana naku baka kumbe ku lulamisiwa ka swakudya swa ti indasitiri. Ku tirhisa tisisiteme to langutisisa mahiselo xikan’we naku simeka maendlelo lawa yanga erivaleni ya matirhelo swinga pfuneta ku sivela ku hisa ngopfu hi xihoxo.
Switlhela swifanele ku xiya leswaku hambi leswi PTFE hi yoxe yinga n’oki kufikela eka mahiselo yale henhla swinene (kwalomu ka 620°F kumbe 327°C), swivumbeko swa michini swa fiberglass substrate swinga sungula ku onhaka eka mahiselo yale hansi. Hikokwalaho, ku tshama eka mahiselo lawa ya ringanyetiweke swina nkoka eka ku hlayisa ntirho na vuhlayiseki bya nchumu lowu.
Tiphurotokholo to Hlantswa na ku Hlantswa eka Swiphemu leswi Hlanganisaka Swakudya
Ku basisiwa kahle naku basisiwa ka PTFE coated fiberglass surfaces swina nkoka eka tindzhawu to lulamisa swakudya. Mahungu lamanene hileswaku ku nga namarheli ka PTFE swi endla leswaku swiphemu leswi swi olova ku swi basisa. Hambiswiritano, ti protocol tokarhi tifanele ku landzeleriwa kutiyisisa leswaku ku basisiwa kahle handle ko onha xifunengeto.
Eka ku basisa ka ntolovelo, mati yo kufumela na xibasisi xo olova hi ntolovelo swiringanerile. Papalata ku tirhisa switirhisiwa swo basisa leswi rhurhumelaka kumbe tikhemikhali to tika leti nga onhaka xifunengeto xa PTFE. Lapi ro olova kumbe swiponci swa hlohleteriwa ku basisa. Endzhaku ko hlantswiwa, swiphemu leswinga ehenhla swifanele ku hlantswiwa kahle hi mati yo tenga leswaku kuta susiwa xibasisi xin’wana na xin’wana lexi saleke.
Eka sanitization, ti sanitizers ta food-grade leti pfumeleriweke kutirhisiwa eka tindzhawu leti hlanganaka na swakudya tifanele kutirhisiwa. I swa nkoka ku landzelela swiletelo swa muendli mayelana na ku dzikisa mianakanyo na nkarhi wa ku khumbana. Endzhaku ka sanitization, swiphemu swale henhla swifanele ku tlhela swi hlantswiwa kahle hi mati yo nwa.
Eka tindzhawu tin’wana to lulamisa swakudya, kunga tirhisiwa ku basisiwa hi steam. PTFE coated fiberglass hi xitalo yinga tiyisela ku basisiwa hi steam, kambe vukheta byifanele ku tekiwa leswaku byinga hundzi swipimelo swa mahiselo ya material. Minkarhi hinkwayo landzelela switsundzuxo swa muendli eka tindlela to basisa na ku basisa.
Mahetelelo
Lapi ra fiberglass leri pfanganisiweke na PTFE ri tikomba riri nchumu lowu hlayisekeke naswona wutirhaka eka switirhisiwa swaku khumbana ka swakudya loko wu endliwe kahle no tirhisiwa. Ku hlanganisiwa ka yona ko hlawuleka ka ti khemikhali letinga tirhiki, ku tiya ka mahiselo, na swivumbeko leswinga namarheli swiendla leswaku yiva nhlawulo wa kahle swinene eka mintirho yohambana hambana yo lulamisa swakudya naku paka. Hi ku namarhela swiyimo swa milawu, ku landzelela maendlelo lamanene eka ku khoma na ku hlayisa, na ku tirhisa tiphrothokholi leti faneleke to basisa, tiindasitiri ti nga tirhisa mimbuyelo ya fiberglass leyi pfanganisiweke na PTFE loko ti ri karhi ti tiyisisa swiyimo swa le henhla swa vuhlayiseki bya swakudya. Kufana na switirhisiwa swin’wana na swin’wana leswi hlanganaka na swakudya, i swa nkoka swinene ku kuma switirhisiwa swa fiberglass leswi pfanganisiweke na PTFE kusuka eka vaendli lava tivekaka lava rhangisaka khwalithi xikan’we naku landzelela milawu ya vuhlayiseki bya swakudya.
Tihlanganise na Hina
Eka lapi ra xiyimo xale henhla ra PTFE leri pfanganisiweke na fiberglass leri fikelelaka swipimelo swale henhla swa vuhlayiseki eka switirhisiwa swa ku khumbana ka swakudya, ehleketa Aokai PTFE . Switirhisiwa swa hina swi endliwa hi vukheta na vukheta, ku tiyisisa matirhelo lamanene na vuhlayiseki eka tindzhawu to lulamisa swakudya. Ku dyondza swo tala hi nxaxamelo wa hina wa switirhisiwa swa fiberglass leswi pfanganisiweke na PTFE na ndlela leyi swi nga vuyerisaka ha yona matirhelo ya wena yo lulamisa swakudya, tihlanganise na hina eka mandy@akptfe.com . Aokai PTFE a yi ve mutirhisani wa wena eku hlayiseni ka vuhlayiseki bya swakudya na ku tirha kahle.
Swikombo
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Khomixini ya le Yuropa. (2004) (2004). Nawumbisi (EC) No 1935/2004 eka switirhisiwa na swilo leswi kunguhatiweke ku hlangana na swakudya. Journal ya Ximfumo ya Nhlangano wa Yuropa.
Dupont. (2020) (2020). Swifunengeto swa Tiindasitiri swa DuPontTM Teflon®: Ku Landzelela ku Tihlanganisa na Swakudya. DuPont de Nemours, Inc., Xihlamusela-marito xa Xitsonga.
Warwick, D. (2018) va vula leswaku. Switirhisiwa swo Hlangana na Swakudya - Tirhaba, Ti Silicones, Swifunengeto na Tiinki. Smithers Vuxokoxoko bya Ltd.
ISO. (2018) (2018). ISO 22000:2018 Tisisiteme ta vulawuri bya vuhlayiseki bya swakudya — Swilaveko eka nhlangano wihi na wihi eka nxaxamelo wa swakudya. Nhlangano wa Matiko Hinkwawo wa Swipimelo.
Khomixini ya Codex Alimentarius. (2003) (2003). Khodi ya Matirhelo ya Matiko ya Misava leyi ringanyetiweke Misinya ya Milawu yo Angarhela ya Vuhlayiseki bya Swakudya. Nhlangano wa Swakudya ni Vurimi wa Nhlangano wa Matiko.
