| UMGANGATHO | YEXABISO | WEYUNITHI | LENTO |
|---|---|---|---|
| OOMATSHINI | |||
| Yolula (ngokuthe nkqo/ngokuthe tye) | ≥44 | I-Mpa | 56.3/53.8 |
| Ukufudumeza Ukurhoxa (ngokuthe nkqo/ngokuthe tye) | ≤±6 | % | -4.5/+2 |
| Ukuqhekeka okufutshane | ≤20 | % | 0 |
| Ukungeneka komphunga | ≤2.5 | g/m².24h | 1.40 |
| Ukungena kweoksijini | ≤30 | cm³/m².24h.0.1MPa | 11.60 |
| Ubushushu obuphezulu | ≥7 | N/15mm | 8.5 |
| Uxinano | 1.35-1.45 | g/cm³ | 1.36 |
| ABANYE | |||
| Amanzi | 4.5 | mg | ≤30 |
| I-Barium | Akukho nanye | - | Akuvumelekanga |
| I-monomer ye-vinyl chloride | <0.1 | mg/kg | ≤0.5 |
| Izinto ezixutywayo | 1.26 | ml | ≤1.5 |
| Intsimbi enzima | <1 | mg/kg | ≤1 |
| I-ethane ethe tye | 6.8 | mg | ≤30 |
| I-ethanol engama-65% | 5.0 | mg | ≤30 |
| Inani leebhaktheriya | <1000 | isiqwenga/100cm² | ≤1000 |
| Inani lemiphunga | <100 | isiqwenga/100cm² | ≤100 |
| I-Coliform | Akukho nanye | isiqwenga/100cm² | Akuvumelekanga |
| Inkcazo | |||
| Ubude | 420 | mm | 420±1 |
| Ububanzi | 297 | mm | 297±1 |
| Ubukhulu | 0.18001 | mm | 0.18±0.009 |
| Ukucaca | Cacisa | - | Cacisa |
Iphepha le-PVC liyi-polymer eyenziwe nge-vinyl chloride njengesixhobo esisisiseko, kunye neziqinisi, izinto zokuthambisa, kunye nezizalisi zongeziweyo. Libonisa umsebenzi ogqwesileyo we-antioxidant, ukumelana okunamandla kwi-asidi kunye neempendulo ze-redox, amandla aphezulu, uzinzo olubalaseleyo, kunye nokungatsha, okwenza ukuba likwazi ukumelana nomonakalo ovela kutshintsho lwemozulu. Iindidi eziqhelekileyo zamaphepha e-PVC ziquka iintlobo ezibonakalayo, ezimhlophe, ezimnyama, ezinemibala, kunye nezingwevu.
Iishiti zePVC zibonelela ngeenzuzo ezininzi, kuquka ukumelana nokugqwala, ukungatshi, iimpawu zokuthintela ukugquma, kunye nokumelana ne-oxidation. Ukongeza, zinokuphinda zisetyenziswe kwaye zibe neendleko eziphantsi zokuvelisa. Ngenxa yokuguquguquka kwazo kunye nokufikeleleka kwazo, zihlala zibambe isikhundla kwimarike yeeshiti zeplastiki.
Iishiti zePVC zinokuguquguquka okuninzi, zifumaneka kwiintlobo ngeentlobo ezifana neeshiti zePVC ezicacileyo, iishiti zePVC eziqandisiweyo, iishiti zePVC eziluhlaza, iiroli zeeshiti zePVC, nokunye. Ngenxa yokusebenza kwazo kakuhle kokucubungula, iindleko eziphantsi zokuvelisa, ukumelana nokugqwala, kunye neempawu zokuthintela ukugquma, iishiti zePVC zihlala zisetyenziselwa ukuvelisa izigqubuthelo zokubopha zePVC, amakhadi ePVC, iifilimu eziqinileyo zePVC, kunye neeshiti zePVC eziqinileyo.
~!phoenix_var624!~
Iiphepha zePVC zingakhuseleka ekutyeni, kodwa kuphela xa zenziwe ngePVC ekumgangatho wokutya kunye nezongezo ezihambelanayo. Iiphepha zePVC ezikumgangatho wokutya azinatyhefu, azinavumba, kwaye zifanelekile nokuba kukudibana kokutya okungathanga ngqo okanye ngokuthe ngqo, kuxhomekeke kwindlela ezifakwe ngayo kunye nokusetyenziswa kwazo. Ezi phepha zePVC ezikhuselekileyo ekutyeni zisetyenziswa kakhulu kwiipakethe zokutya, kwiipakethe zeblister, kwiifilimu zokuncamathela, kwiitreyi zokutya, nakwiikhava zokukhusela.
Nangona kunjalo, ayizizo zonke iiphepha zePVC ezithathwa njengezikhuselekileyo ekutyeni. Iiphepha zePVC ezikumgangatho wezoshishino zinokuba neeplastiki okanye izongezo ezingavumelekanga ukuba zinxibelelane nokutya. Ukuqinisekisa ukhuseleko, soloko uqinisekisa ukuba iphepha lePVC liyahambelana nemigaqo ye-FDA kunye ne-EU (EC), kwaye ucele amaphepha edatha yokhuseleko lwezinto ezenziwe ngumvelisi.
Ewe, amaphepha e-PVC ayakwazi ukuthintela ilangabi ngokwendalo xa ethelekiswa nezinye iiplastiki ezininzi. Ngenxa yomxholo wawo ophezulu we-chlorine, i-PVC iyazicima ngokwayo xa umthombo wangaphandle welangabi ususiwe, nto leyo enciphisa kakhulu ukusasazeka komlilo.
Amaphepha e-PVC ahlala esetyenziswa kwiindawo apho ukhuseleko lomlilo lubaluleke kakhulu, njengezinto zokwakha, iiphaneli zodonga, ubushushu bombane, imiqondiso, kunye neendawo zokuvala zoshishino. Kwiimeko ezininzi, amaphepha e-PVC anokufikelela kwimigangatho yamazwe ngamazwe yokuthintela ilangabi efana ne-UL94 V-0/V-1 okanye efanayo, kuxhomekeke kwifom.
Kwiiprojekthi ezinemigangatho engqongqo yokhuseleko lomlilo, amaphepha e-PVC okuthintela ilangabi anokusebenza okuphuculweyo anokwenziwa ngokwezifiso ukuze ahlangabezane neekhowudi ezithile zokwakha kunye neemfuno zokumelana nomlilo.