Kedu ihe bụ Ptfe?
PolytetrafluoroethylenePTFE) bụ fluoropolymer sịntetik nke tetrafluoroethylene ma bụrụ PFAS nwere ọtụtụ ngwa.PTFE dị ịrịba ama chemical, okpomọkụ, mmiri, na eletriki resistances na-eme ka ọ bụrụ ezigbo ihe mgbe ọ bụla ngwaahịa, ngwá ọrụ, na components mkpa ka inogide na ntụkwasị obi na ọbụna ndị kasị ike ngwa.N'elu nke a, PTFE na-etu ọnụ pụrụ iche na-adịgide adịgide dị ala na ọkụ ọkụ na-eme ka ọ bụrụ nhọrọ dị mma maka ndepụta ngwaahịa, ngwa na ngwa na-eto eto mgbe niile.
Kedu ihe bụ PVC?
PVCbụ polymer sịntetik nke plastik nke atọ na-emepụta nke atọ n'ụwa (mgbe polyethylene na polypropylene gasịrị) .A na-emepụta ihe dị ka nde tọn 40 nke PVC kwa afọ.
PVC na-abịa na isi ike (mgbe ụfọdụ a na-akpọ RPVC) na ụdị mgbanwe.A na-eji PVC siri ike na-ewu maka ọkpọkọ, ọnụ ụzọ na windo.A na-ejikwa ya na-emepụta karama rọba, nkwakọ ngwaahịa, na kaadị akụ ma ọ bụ kaadị otu.Ịgbakwunye plasticizers na-eme ka PVC dị nro ma na-agbanwe agbanwe.A na-eji ya na pọmpụ, ihe mkpuchi eriri eletrik, ala ala, akara akara, ihe ndekọ phonograph, ngwaahịa a na-efụ ọkụ, na n'ọnọdụ rọba.Na owu ma ọ bụ linen, a na-eji ya na-emepụta akwa akwa.
Ntụle nke PVC na PTFE Njirimara anụ ahụ
| Aha Ngwongwo | Nkeji | ABS / PVC Alloy | PTFE juputara |
| Ikike Okpomọkụ akọwapụtara | BTU/lb-°F | 0,382 |
|
| Shear Modul | ksi |
|
|
| Ike Mbukota | psi | 3050 | 5710 |
| Oke Poisson |
|
|
|
| Dielectric Constant |
| 3.3 | 3.7 |
| Ike Dielectric | kV/n'ime | 508 | 467 |
| Elongation na ezumike | % | 100 | 9.4 |
| Ike Mmụpụta Flexural | psi | 7030 | 9820 |
| Modul nke Elasticity | ksi | 319 | 348 |
| Hardness, Rockwell R |
| 88 | 110 |
| Ike tensile, kacha | psi | 4030 | 6580 |
| Ike tensile, Mpụta | psi | 5420 | 8270 |
| Eletriki Resistivity | ohm-cm | 1.00e+14 | 3.00e+15 |
| Njupụta | lb/na³ | 0,0423 | 0,0531 |
| Oke ọrụ okpomọkụ, ikuku | °F | 170 | 212 |
| Nrụpụta okpomọkụ | BTU-na/hr-ft²-°F | 1.87 | 1.67 |
| Mgbaji siri ike | ksi-in½ |
|
Ebe a na Bestellon anyị bụ ndị ọkachamara na-ebuga ọhụrụ PTFE ngwọta maka gị oru ngwa.Iji chọpụta ihe ndị ọzọ gbasara ngwaahịa PTFE anyị, nweere onwe gị ịkpọtụrụ anyị!
Oge nzipu: Ọgọst-28-2023