PTFE (polytetrafluoroethylene)me te polyester (pērā i te PET, PBT, me ētahi atu) he rauemi polymer tino rerekē. He rerekētanga nui tō rāua i roto i te hanganga matū, ngā āhuatanga mahi me ngā mara tono. Koinei te whakataurite taipitopito:
1. Hanganga matū me te hanganga
PTFE (polytetrafluoroethylene)
●Hanganga: He mekameka ngota waro me te ngota fluorine kua tino mākū (-CF₂-CF₂-), ā, he fluoropolymer.
●Ngā Āhuatanga: Mā te hononga waro-hauora tino kaha ka tino kore e pakaru ngā matū me te ātete ki te huarere.
Polyester
●Hanganga: Kei roto i te mekameka matua he rōpū ester (-COO-), pērā i te PET (polyethylene terephthalate) me te PBT (polybutylene terephthalate).
●Ngā Āhuatanga: Mā te here ester ka pai te kaha ā-ringa me te ngāwari ki te tukatuka, engari he iti iho tōna pumau matū i tō te PTFE.
2. Whakatairite mahi
| Ngā Āhuatanga | PTFE | Polyester (pērā i te PET) |
| Ātete wera | - Te pāmahana whakamahi tonu: -200°C ki te 260°C | - PET: -40°C ki te 70°C (mō te wā roa) |
| Te pumau matū | Ātete ki te nuinga o ngā waikawa, ngā kawakore me ngā whakarewa ("kingi kirihou") | Ātete ki ngā waikawa ngoikore me ngā kawakore, ngāwari te waikura e ngā waikawa kaha me ngā kawakore |
| Tauwehenga waku | Tino iti (0.04, he whakahinuhinu-ā-ia-anō) | Teitei ake (me tāpiri atu hei whakapai ake) |
| Te kaha miihini | He iti, he ngāwari te ngokingoki | Teitei ake (he maha ngā wā ka whakamahia te PET i roto i ngā muka me ngā pounamu) |
| Ngā āhuatanga hiko-kore | Tino pai (he rauemi ārai wera-auau teitei) | Pai (engari he pāngia e te haumākū) |
| Te uauatanga o te tukatuka | He uaua ki te whakarewa i te tukanga (me whakakoi) | Ka taea te werohanga me te whakaputa (he ngāwari ki te tukatuka) |
Ngā āpure tono
PTFE: e whakamahia whānuitia ana i roto i te rererangi, ngā taputapu hiko, te ahumahi matū, te tukatuka kai, te hauora me ētahi atu mara, ā, he maha ngā wā ka whakamahia hei hanga hiri, peera, paninga, rauemi whakamahana, me ētahi atu.
Polyester: e whakamahia ana i roto i ngā muka kakahu, ngā pounamu kirihou, ngā kiriata, ngā kirihou hangarau me ētahi atu mara
Ngā Whakaaro Hē Noa
Paninga kore-piri: Ko te PTFE (Teflon) e whakamahia whānuitia ana i roto i ngā paraharaha kore-piri, engari kāore e taea e te polyester te tu atu i te tunu wera nui.
Mara muka: Ko ngā muka polyester (pērā i te polyester) ngā rauemi matua mō ngā kākahu, ā,muka PTFEka whakamahia mō ngā kaupapa motuhake anake (pērā i ngā kākahu tiaki matū)
Me pēhea te whakamahi i te PTFE i roto i te umanga kai?
He whānuitia ngā whakamahinga o te PTFE (polytetrafluoroethylene) i roto i te umanga kai, nā te mea he tino pai te pumau o ngā matū, he ātete ki te pāmahana teitei, he kore piri, ā, he iti hoki te tauwehenga waku. Ko ngā whakamahinga matua o te PTFE i roto i te umanga kai ēnei:
1. Paninga taputapu tukatuka kai
He whānuitia te whakamahinga o te paninga PTFE i roto i te arai me te mata o ngā taputapu tukatuka kai. Mā tōna kore-piri ka ārai i te piri o te kai ki te mata o ngā taputapu i te wā e tukatukahia ana, ā, ka māmā ake te tukanga horoi me te whakapai ake i te pai o te whakaputa. Hei tauira, i roto i ngā taputapu pēnei i ngā oumu, ngā mīhini korohū, me ngā mīhini whakaranu, ka taea e te paninga PTFE te whakarite kia kore te kai e piri i te wā e tukatukahia ana i te pāmahana teitei, me te pupuri tonu i te kounga me te kounga o te kai.
2. Ngā whitiki kawe me ngā whitiki kawe
He maha ngā wā ka whakamahia ngā whitiki kawe me ngā whitiki kawe kua pania ki te PTFE i roto i te tukatuka kai papatipu, pērā i te tunu me te kawe i ngā hua manu, te pēkana, te hōtiti, te heihei, me ngā hāmipeka. Nā te iti o te tauwehenga waku me te ātete pāmahana teitei o tēnei rauemi ka taea e ia te mahi pumau i roto i ngā taiao pāmahana teitei me te kore e poke te kai.
3. Ngā ngongo kai-kai
He whānuitia te whakamahinga o ngā ngongo PTFE mō te kawe i ngā kai me ngā inu, tae atu ki te waina, te pia, ngā hua miraka, ngā tirikara me ngā mea kakara. Nā tōna koretake o te matū ka kore e pā ki te kounga o ngā hua e kawehia ana i roto i te awhe pāmahana o te -60.°C ki te 260°C, ā, kāore e puta he tae, he reka, he kakara rānei. Hei tāpiri, ka tutuki ngā ngongo PTFE i ngā paerewa FDA hei whakarite i te haumaru o te kai.
4. Ngā hiri me ngā gaskets
Ka whakamahia ngā hiri me ngā takai PTFE ki ngā hononga o ngā paipa, ngā takirere me ngā hoe whakaoho o ngā taputapu tukatuka kai. Ka taea e rātou te ātete i te waikura mai i ngā momo matū, me te noho pumau i roto i ngā taiao pāmahana teitei. Ka taea e ēnei hiri te ārai i te poke o te kai i te wā tukatuka, me te whakahaere i te horoi me te tiaki i ngā taputapu.
5. Ngā rauemi tākai kai
Ka whakamahia hoki te PTFE i roto i ngā rauemi tākai kai, pērā i ngā paninga paraharaha kore-piri, ngā paninga pepa tunu, me ētahi atu. Mā ēnei rauemi ka kore e piri te kai i te wā e tākai ana, e tunu ana hoki, me te pupuri tonu i te akuaku me te haumaru o te kai.
6. Ētahi atu tono
Ka taea hoki te whakamahi i te PTFE i roto i ngā taputapu, ngā pū here me te hanga wāhanga kirihou i roto i te tukatuka kai, ka taea ai te whakapai ake i te ātete kakahu me te ātete waikura o ngā taputapu me te whakaiti i ngā utu tiaki.
Ngā whakaaro mō te haumaru
Ahakoa he maha ngā āhuatanga pai o te PTFE, me aro tonu koe ki tōna haumaru ina whakamahia ana i roto i te umanga kai. Tērā pea ka tukuna e te PTFE he iti noa iho o ngā hau kino i ngā pāmahana teitei, nō reira me whakahaere te pāmahana whakamahinga me te karo i te wera nui mō te wā roa. Hei tāpiri, he mea nui kia whiriwhiria ngā rauemi PTFE e tutuki ana i ngā whakaritenga ture e tika ana.
Wā tuku: Maehe-26-2025