Ptfe ni iki?
Polytetrafluoroethylene (PTFE) ni fluoropolymer y’ubukorikori ya tetrafluoroethylene kandi ni PFAS ifite akamaro kanini. PTFE ifite ubushobozi bwo guhangana n’ibinyabutabire, ubushyuhe, ubushuhe, n’amashanyarazi bituma iba ibikoresho byiza igihe cyose ibicuruzwa, ibikoresho n’ibice byayo bigomba kuramba no kwizerwa ndetse no mu bikorwa bikomeye cyane. Hejuru y’ibi, PTFE ifite ubushobozi bwo kudakomera mu bushyuhe buke no kudashira umuriro, bigatuma iba amahitamo meza ku rutonde rw’ibicuruzwa, ibice byayo, n’ibikoreshwa bikomeza kwiyongera.
PVC ni iki?
PVCni polimeri ya gatatu ikorwa cyane ku isi ikozwe muri pulasitiki (nyuma ya poliyetinamu na polipropilini). Hafi toni miliyoni 40 za PVC zikorwa buri mwaka.
PVC iza mu buryo bukomeye (rimwe na rimwe igizwe na RPVC) kandi ikagira imiterere yoroshye. PVC ikomeye ikoreshwa mu bwubatsi bw'imiyoboro, inzugi n'amadirishya. Ikoreshwa kandi mu gukora amacupa ya pulasitiki, gupakira, n'amakarita ya banki cyangwa ubunyamuryango. Kongeramo pulasitiki bituma PVC yoroha kandi yoroshye kuyihindura. Ikoreshwa mu byuma bitanga amazi, insinga z'amashanyarazi, hasi, ibyapa, ibyuma bisohora amazi, ibikoresho bihumeka, no mu bisimbura rabu. Ikoreshejwe ipamba cyangwa umwenda, ikoreshwa mu gukora karavasi.
Kugereranya Imiterere ya PVC na PTFE
| Izina ry'umutungo | Ibice | Aluminiyumu ya ABS/PVC | PTFE Yuzuye |
| Ubushobozi bwihariye bwo gushyuha | BTU/lb-°F | 0.382 |
|
| Modulus yo gukata | ksi |
|
|
| Imbaraga zo Gutanga Umusaruro Ukomeye | psi | 3050 | 5710 |
| Igipimo cya Poisson |
|
|
|
| Dielectric Constant |
| 3.3 | 3.7 |
| Imbaraga za Dielectric | kV/muri | 508 | 467 |
| Kurekura mu gihe cyo kuruhuka | % | 100 | 9.4 |
| Imbaraga zo Kongera Umusaruro | psi | 7030 | 9820 |
| Modulus ya Elasticity | ksi | 319 | 348 |
| Ubukomere, Rockwell R |
| 88 | 110 |
| Ingufu zo Gufata, Ikomeye | psi | 4030 | 6580 |
| Imbaraga zo gukurura, Kwiyongera | psi | 5420 | 8270 |
| Ubushobozi bwo guhangana n'amashanyarazi | ohm-cm | 1.00e+14 | 3.00e+15 |
| Ubucucike | lb/mu³ | 0.0423 | 0.0531 |
| Ubushyuhe bwinshi bwa serivisi, umwuka | °F | 170 | 212 |
| Ubushobozi bwo gutwara ubushyuhe | BTU-in/hr-ft²-°F | 1.87 | 1.67 |
| Gukomera kw'imvune | ksi-in½ |
|
Hano muri Besteflon turi inzobere mu gutanga ibisubizo bishya bya PTFE ku bijyanye na tekiniki yawe. Kugira ngo umenye byinshi ku bicuruzwa byacu bya PTFE, twandikire!
Igihe cyo kohereza: Kanama-28-2023