Menene Ptfe?
Polytetrafluoroethylene (PTFE) wani sinadari ne na roba na tetrafluoroethylene kuma PFAS ne wanda ke da aikace-aikace da yawa. Muhimman sinadarai, zafin jiki, danshi, da juriyar lantarki na PTFE sun sa ya zama kayan aiki mai kyau duk lokacin da kayayyaki, kayan aiki, da kayan aiki suka buƙaci su kasance masu dorewa da aminci a cikin aikace-aikacen da suka fi wahala. Baya ga wannan, PTFE tana da juriya na musamman ga ƙarancin zafin jiki da juriyar wuta wanda hakan ya sa ta zama kyakkyawan zaɓi ga jerin samfura, kayan aiki, da aikace-aikace da ke ci gaba da ƙaruwa.
Menene PVC?
PVCita ce polymer ta roba ta uku da aka fi samarwa a duniya (bayan polyethylene da polypropylene). Ana samar da kimanin tan miliyan 40 na PVC kowace shekara.
PVC yana zuwa ne a cikin nau'ikan da ba su da tsauri (wani lokacin ana rage shi zuwa RPVC) da kuma siffofi masu sassauƙa. Ana amfani da PVC mai ƙarfi wajen gina bututu, ƙofofi da tagogi. Haka kuma ana amfani da shi wajen yin kwalaben filastik, marufi, da katunan banki ko membobinsu. Ƙara robobi yana sa PVC ta yi laushi da sassauƙa. Ana amfani da shi a cikin bututun ruwa, rufin kebul na lantarki, bene, alamun shafi, rikodin phonograph, samfuran da za a iya hura iska, da kuma a cikin madadin roba. Tare da auduga ko lilin, ana amfani da shi wajen samar da zane.
Kwatanta Kayan Zane na PVC da PTFE
| Sunan Kadara | Raka'a | ABS/PVC Alloy | Cike da PTFE |
| Ƙarfin Zafi na Musamman | BTU/lb-°F | 0.382 |
|
| Shear Modulus | ksi |
|
|
| Ƙarfin Yawan Matsi | psi | 3050 | 5710 |
| Rabon Poisson |
|
|
|
| Dielectric Constant |
| 3.3 | 3.7 |
| Ƙarfin Dielectric | kV/in | 508 | 467 |
| Ƙarawa a Hutu | % | 100 | 9.4 |
| Ƙarfin Yawa Mai Lankwasawa | psi | 7030 | 9820 |
| Modulus na Ragewa | ksi | 319 | 348 |
| Tauri, Rockwell R |
| 88 | 110 |
| Ƙarfin Taurin Kai, Mafi Kyau | psi | 4030 | 6580 |
| Ƙarfin Taurin Kai, Yawan Amfani | psi | 5420 | 8270 |
| Juriyar Lantarki | ohm-cm | 1.00e+14 | 3.00e+15 |
| Yawan yawa | lb/in³ | 0.0423 | 0.0531 |
| Matsakaicin Zafin Sabis, Iska | °F | 170 | 212 |
| Tsarin kwararar zafi | BTU-in/hr-ft²-°F | 1.87 | 1.67 |
| Taurin Karyewa | ksi-in½ |
|
A nan a Besteflon, mu ƙwararru ne wajen samar da sabbin hanyoyin magance matsalolin fasaha na PTFE. Don ƙarin bayani game da Kayayyakinmu na PTFE, ku tuntube mu!
Lokacin Saƙo: Agusta-28-2023