O le a le Ptfe?
Polytetrafluoroethylene (PTFE) o se synthetic fluoropolymer o tetrafluoroethylene ma o se PFAS e tele faʻaoga.PTFE's taua tele vailaʻau, vevela, susu, ma le eletise teteʻe e avea ma mea sili ona lelei i soo se taimi o oloa, meafaigaluega, ma vaega e manaʻomia ona tumau ma faʻatuatuaina e oʻo lava i faʻaoga sili ona mamafa.I le pito i luga o lenei mea, o le PTFE o loʻo faʻamaualuga tulaga ese le maualalo o le vevela o le tumau ma le faʻamalosia o le afi lea e avea ai ma filifiliga lelei mo se lisi faʻatupulaia o oloa, vaega, ma talosaga.
O le a le PVC?
PVCo le lalolagi lona tolu-sili ona lautele gaosia polymer synthetic o palasitika (ina ua uma polyethylene ma polypropylene). E tusa ma le 40 miliona tone o PVC e gaosia i tausaga taitasi.
O le PVC e sau i le malo (o nisi taimi e fa'apu'upu'u o le RPVC) ma fa'aoga fetuutuunai.O loʻo faʻaaogaina le PVC malosi i le fausiaina o paipa, faitotoa ma faamalama.E fa'aaogaina fo'i i le faiga o fagu palasitika, afifiina, ma faletupe po'o pepa fa'aui.O le faʻaopoopoina o mea faʻapipiʻi e faʻafefe ai le PVC ma sili atu ona faʻafefe.E fa'aaogaina i paipa, fa'alava eletise eletise, fola, fa'ailoga, fa'amaufa'ailoga phonograph, mea fa'afu, ma mea e sui ai pa'u.Faatasi ai ma le cotton poʻo le lino, e faʻaaogaina i le gaosiga o tapoleni.
Fa'atusatusaga o le PVC ma le PTFE Meatotino Faaletino
| Igoa o Meatotino | Iunite | ABS/PVC Alloy | PTFE Faatumu |
| Malosiaga o le vevela ma'oti | BTU/lb-°F | 0.382 |
|
| Se'ele Modulus | ksi |
|
|
| Malosi e maua ai le Compressive | psi | 3050 | 5710 |
| Fa'atatau o Poisson |
|
|
|
| Dielectric tumau |
| 3.3 | 3.7 |
| Malosiaga Dielectric | kV/in | 508 | 467 |
| Fa'aumi i le Vaeluaga | % | 100 | 9.4 |
| Malosi o Fuafuaga Fesuia'i | psi | 7030 | 9820 |
| Modulus o Elasticity | ksi | 319 | 348 |
| Malosi, Rockwell R |
| 88 | 110 |
| Malosi Tensile, Sili | psi | 4030 | 6580 |
| Malosi, Tuuina | psi | 5420 | 8270 |
| Tete'e eletise | ohm-cm | 1.00e+14 | 3.00e+15 |
| Malosi | lb/in³ | 0.0423 | 0.0531 |
| Max Auaunaga Temperature, Ea | °F | 170 | 212 |
| Amioga vevela | BTU-i/hr-ft²-°F | 1.87 | 1.67 |
| Maloa gau | ksi-i½ |
|
O iinei i Besteflon o matou o tagata tomai faapitoa i le tuʻuina atu o fofo PTFE fou mo au faʻaoga faʻapitoa.Mo nisi faʻamatalaga e uiga ia matou PTFE Products, lagona le saoloto e faʻafesoʻotaʻi i matou!
Taimi meli: Aukuso-28-2023