Ptfe ke eng?
Polytetrafluoroethylene (PTFE) ke fluoropolymer ea maiketsetso ea tetrafluoroethylene 'me ke PFAS e nang le lits'ebetso tse ngata. Lik'hemik'hale tse kholo, mocheso, mongobo le khanyetso ea motlakase ea PTFE li e etsa hore e be thepa e ntle neng kapa neng ha lihlahisoa, lisebelisoa le likarolo li hloka ho tšoarella le ho tšepahala esita le lits'ebetsong tse boima ka ho fetisisa. Ho feta moo, PTFE e ithorisa ka ho tšoarella ha mocheso o tlase le khanyetso ea mollo e etsang hore e be khetho e ntle bakeng sa lethathamo le ntseng le hola la lihlahisoa, likarolo le lits'ebetso.
PVC ke eng?
PVCke polymer ea maiketsetso ea boraro e hlahisoang ka bongata lefatšeng ka bophara ea polasetiki (ka mor'a polyethylene le polypropylene). Ho hlahisoa lithane tse ka bang limilione tse 40 tsa PVC selemo se seng le se seng.
PVC e tla ka sebopeho se thata (ka linako tse ling e khutsufalitsoe e le RPVC) le se tenyetsehang. PVC e thata e sebelisoa kahong bakeng sa liphaephe, mamati le lifensetere. E boetse e sebelisoa ho etseng libotlolo tsa polasetiki, liphutheloana, le likarete tsa banka kapa tsa botho. Ho eketsa li-plasticizer ho etsa hore PVC e be bonolo le ho tenyetseha haholoanyane. E sebelisoa ho liphaephe, ho kenya lithapo tsa motlakase, fatše, matšoao, lirekoto tsa fonograph, lihlahisoa tse phaphamalang, le linthong tse nkelang rabara sebaka. Ka k'hothone kapa line, e sebelisoa tlhahisong ea canvas.
Papiso ea Litšobotsi tsa 'Mele tsa PVC le PTFE
| Lebitso la Thepa | Diyuniti | ABS/PVC motsoako | PTFE e Tlatsitsoe |
| Bokhoni bo Ikhethang ba Mocheso | BTU/lb-°F | 0.382 |
|
| Modulus ea Shear | ksi |
|
|
| Matla a Kotsi a Kotsi | psi | 3050 | 5710 |
| Karolelano ea Poisson |
|
|
|
| Dielectric Constant |
| 3.3 | 3.7 |
| Matla a Dielectric | kV/ka hare | 508 | 467 |
| Ho Lelefatsa Nako ea Phomolo | % | 100 | 9.4 |
| Matla a Tekanyo ea ho Tenyetseha | psi | 7030 | 9820 |
| Modulus ea Elasticity | ksi | 319 | 348 |
| Bothata, Rockwell R |
| 88 | 110 |
| Matla a ho Thabisa, a Bohlokoa ka ho Fetisisa | psi | 4030 | 6580 |
| Matla a ho Thabisa, Tekanyo | psi | 5420 | 8270 |
| Ho hanyetsa motlakase | ohm-cm | 1.00e+14 | 3.00e+15 |
| Botenya | lb/ka hare³ | 0.0423 | 0.0531 |
| Mocheso o Phahameng oa Tšebeletso, Moea | °F | 170 | 212 |
| Ho khanna ha mocheso | BTU-in/hr-ft²-°F | 1.87 | 1.67 |
| Ho Tiea ha ho Robeha | ksi-in½ |
|
Mona ho Besteflon re litsebi tsa ho fana ka litharollo tsa PTFE tse ncha bakeng sa lits'ebetso tsa hau tsa tekheniki. Ho fumana ho eketsehileng ka Lihlahisoa tsa rona tsa PTFE, ikutloe u lokolohile ho ikopanya le rona!
Nako ea poso: Phato-28-2023