Yintoni iPtfe?
I-Polytetrafluoroethylene (I-PTFE() yi-fluoropolymer yokwenziwa ye-tetrafluoroethylene kwaye yi-PFAS enezicelo ezininzi. Ukumelana okukhulu kweekhemikhali, ubushushu, ukufuma, kunye nombane kwe-PTFE kuyenza ibe yinto efanelekileyo nanini na xa iimveliso, izixhobo kunye nezixhobo kufuneka zihlale ixesha elide kwaye zithembeke nakwiizicelo ezinzima kakhulu. Ngaphezulu koku, i-PTFE inesimo esikhethekileyo sokuqina okuphantsi kobushushu kunye nokumelana nomlilo okwenza ukuba ibe lukhetho olufanelekileyo kuluhlu oluhlala lukhula lweemveliso, izixhobo kunye nezicelo.
Yintoni iPVC?
I-PVCyipolymer yeplastiki yokwenziwa yesithathu eveliswa kakhulu kwihlabathi (emva kwe-polyethylene kunye ne-polypropylene). Malunga ne-40 yezigidi zeetoni ze-PVC ziveliswa minyaka le.
I-PVC iza ngendlela eqinileyo (ngamanye amaxesha ifinyezwa njenge-RPVC) kwaye iguquguquka. I-PVC eqinileyo isetyenziswa ekwakheni imibhobho, iingcango kunye neefestile. Ikwasetyenziswa ekwenzeni iibhotile zeplastiki, ukupakisha, kunye namakhadi ebhanki okanye obulungu. Ukongeza iiplastiki kwenza i-PVC ithambe kwaye iguquguquke ngakumbi. Isetyenziswa kwimibhobho, ukufakelwa kweentambo zombane, umgangatho, imiqondiso, iirekhodi zegramafoni, iimveliso ezinokufuthwa, kunye nezinto ezithatha indawo yerabha. Ngomqhaphu okanye ilinen, isetyenziswa ekuveliseni i-canvas.
Ukuthelekiswa kwePVC kunye nePTFE Physical Properties
| Igama lePropati | Iiyunithi | I-ABS/PVC Alloy | I-PTFE Egcwalisiweyo |
| Umthamo othile wobushushu | I-BTU/lb-°F | 0.382 |
|
| I-Shear Modulus | ksi |
|
|
| Amandla okuKhuthaza ukuKhuthaza | i-psi | 3050 | 5710 |
| Umlinganiselo kaPoisson |
|
|
|
| I-Dielectric Constant |
| 3.3 | 3.7 |
| Amandla eDielectric | kV/ngaphakathi | 508 | 467 |
| Ukwandiswa ngexesha lokuphumla | % | 100 | 9.4 |
| Amandla okuKhula okuGuquguqukayo | i-psi | 7030 | 9820 |
| Imodulus ye-Elasticity | ksi | 319 | 348 |
| Ubunzima, uRockwell R |
| 88 | 110 |
| Amandla okuThamba, Okona kulungileyo | i-psi | 4030 | 6580 |
| Amandla okuThamba, ukuKhuthaza | i-psi | 5420 | 8270 |
| Ukumelana nombane | i-ohm-cm | 1.00e+14 | 3.00e+15 |
| Uxinano | lb/kwi³ | 0.0423 | 0.0531 |
| Ubushushu obuphezulu beNkonzo, Umoya | °F | 170 | 212 |
| Ukuqhuba kweThermal | I-BTU-in/hr-ft²-°F | 1.87 | 1.67 |
| Ukuqina Kokwaphuka | ksi-in½ |
|
Apha eBesteflon singabachwephesha ekunikezeni izisombululo zePTFE ezintsha kwiisicelo zakho zobugcisa. Ukuze ufumane okungakumbi malunga neeMveliso zethu zePTFE, zive ukhululekile ukuqhagamshelana nathi!
Ixesha lokuthumela: Agasti-28-2023