Ke hoʻohana nei ka ʻoihana kila a me ka ʻoihana hoʻoheheʻe ʻana i nā huahana fluoropolymer tubing mai nā mea like me PTFE a me nā hoses no nā makahiki he nui no ka hoʻololi ʻana i nā kemika nui a i ʻole nā kemika corrosive.ʻOi aku ka nui, ke hoʻololi nei ka paipu PTFE i ke kalapona a me nā paipu metala ʻē aʻe e deteriorates wikiwiki.I kēia manawa a no ka wā e hiki mai ana, e hoʻomau ka PTFE i ka lawelawe ʻana i ka ʻoihana i nā noi koʻikoʻi.
Nā Koʻikoʻi Kemika*: ʻAʻole inert ʻo PTFE i kēia mau mea kemika
| Nā Mea Hana ʻole | Mea Kimiola Organic | 'ē aʻe |
| Aqua Regia | Waiʻona | Nā wai olaola |
| Hydrofluoric Acid | Esters | ʻAla ʻala |
| ʻAka Sulfuric Huhū | Ketones | Meaʻai |
| Chlorosulfuric Acid | Nā Organics Halogenated Kiʻekiʻe | Inika Pai a me ka wai waihooluu |
| Pahu Sodium Hydroxide Solution | Nā mea hoʻoheheʻe ʻala | Nā mea radioactive pae haʻahaʻa |
| Kinea Klorine | Amine | Nā mea hoʻoheheʻe |
| Hydrogen Peroxide | ʻAila ʻOihana | |
| Nā Klorida ʻAka | ||
| Wela, Huhu Nitric Acid |
* Ma waena o nā kemika wale nō i ʻike ʻia e hoʻouka i ka PTFE ʻo nā metala alkali hoʻoheheʻe ʻia a me kā lākou mau hoʻonā, chlorine trifluoride, a me ka fluorine kinoea ma nā wela kiʻekiʻe a me nā kaomi.
Nā ʻano wela wela:
Hiki i nā paipu PTFE ke pale i nā mahana a hiki i 680 °F no nā manawa palena.* Ma lalo o nā kūlana cryogenic, ikaika mau ka PTFE a hiki i -320 °F.
*Ma luna o 500 °F, lilo nā waiwai mechanical i mea palena
Nā ʻano uila:
He mau waiwai uila ko PTFE paipu, hōʻike ʻia e kahi mau dielectric haʻahaʻa o 2.1 ma waena o -40 °F a me 480 °F i loko o ke alapinepine o 5 Hz a 10 GHz.
ʻO ka paipu PTFE he insulator maikaʻi loa me ka resistivity o ka ili o 3.6 X 1012 ohms (ʻoiai ma 100% ka haʻahaʻa pili).
ʻO nā ikaika dielectric manawa pōkole mai ka 500 volts/mil (1 mil = 10-3 in) no nā mānoanoa ʻoi aku ma mua o 100 mils a 4000 volts/mil no nā kiʻiʻoniʻoni lahilahi loa.
ʻO nā hiʻohiʻona o UV a me Radiation:
ʻO ka paipu PTFE maikaʻi loa ka pale ʻana o UV a me ka weatherability, me ka paepae hōʻaola no PTFE ma 2 - 7 X 104 rads.ʻO ka loaʻa ʻole o ka oxygen e hoʻonui i ka pale ʻana i ka radiation ma kahi helu o ka liʻiliʻi he 10.
Nā hiʻohiʻona o ka ʻaʻahu a me ke kuʻi:
ʻO ka paipu PTFE he ʻano paheʻe a paheʻe ka ʻili, me ka helu static o friction o 0.08 a me 500 psi haawe.
ʻO nā waiwai PTFE he mea kūpono ia no ka hoʻohana ʻana ma ke ʻano he mau pad, ma lalo o nā kūlana haʻahaʻa haʻahaʻa haʻahaʻa.ʻO nā laʻana, ʻo nā pad hali alahaka, nā pad kākoʻo paipu, a me nā pā kau no ka hana kaumaha.
Ka manawa hoʻouna: Feb-04-2019