O le mita tafe eletise o se meafaigaluega e faʻaaogaina ai le mataupu faavae o le faʻaosofiaga eletise e fua ai le tafe o le vai faʻaeletise e faʻavae i luga o le malosiaga eletise e mafua mai pe a pasia le vai faʻaeletise i totonu o se fanua maneta mai fafo.
E faʻapefea la ona filifili le ufiufi i totonu ma le mea e faʻaaogaina ai le eletise?
Filifiliga o Mea e Ufi ai le Ie
■ Neoprene (CR):
O se polymer na fausia e ala i le emulsion polymerization o le chloroprene monomer. O lenei molecule pa'u o lo'o i ai ni atomu chlorine, o lea pe a fa'atusatusa i isi pa'u fa'aoga lautele: E sili ona lelei lona tete'e atu i le oxidation, tete'e atu i le ozone, e le mu, e tineia lava pe a uma le afi, tete'e atu i le suau'u, tete'e atu i le solvent, tete'e atu i le acid ma le alkali, ma le tete'e atu i le matua ma le kesi. Lelei le mausali ma isi fa'amanuiaga.
✔ E talafeagai mo le fuaina o le tafe o le vai paipa, vai fale gaosi oloa, vai sami ma isi auala faasalalau.
■ Pa'u polyurethane (PU):
E fa'apipi'iina e le polyester (po'o le polyether) ma le diisocyanamide lipid compound. E iai ona tulaga lelei o le maualuga o le ma'a'a, malosi lelei, maualuga le fetu'una'i, maualuga le tete'e atu i le ofuina, tete'e atu i le masae, tete'e atu i le matua, tete'e atu i le ozone, tete'e atu i le radiation ma lelei le conductivity eletise.
✔ E talafeagai mo le fuaina o le tafe o mea e tafe ai le palapala e pei o le pulp ma le pulp o le ore.
■Polytetrafluoroethylene (P4-PTFE)
O se polymer ua saunia e ala i le polymerization o le tetrafluoroethylene o se monomer. E pa'epa'e ma manifinifi, e manino, e tete'e atu i le vevela, e tete'e atu i le malulu, e mafai ona fa'aaogaina i le -180 ~ 260°C mo se taimi umi. O lenei mea e iai ona uiga o le tete'e atu i le acid ma le alkali, tete'e atu i le tele o organic solvents, tete'e atu i le hydrochloric acid pupuna, sulfuric acid, aqua regia, ma le concentrated alkali corrosion.
✔ E mafai ona fa'aaogaina mo le vaila'au masima 'aisa ma le masima alkali.
■Polyperfluoroethylene propylene (F46-FEP)
E matuā mautu lelei i vailaʻau ma e matuā teteʻe atu i le ave o le la, faʻapea foʻi ma le lē mu, e lelei foʻi ona uiga eletise ma faʻainisinia. E tutusa ona uiga faʻainisinia ma le polytetrafluoroethylene, ae e sili atu lona malosi e faʻapipiʻi ai ma faʻaseʻe ai nai lo le polytetrafluoroethylene.
✔ E mafai ona fa'aaogaina mo le vaila'au masima 'aisa ma le masima alkali.
■Copolymer o le tetrafluoroethylene ma le perfluorocarbon e ala i le vinyl ether (PFA)
O le mea e ufiufi ai mo le mita tafe eletise e tutusa ona meatotino fa'akemikolo e pei o le F46 ma e sili atu le malosi o le tensile nai lo le F46.
✔E mafai ona fa'aaogaina mo le vaila'au masima 'aisa ma le masima alkali.
Filifiliga o Meafaitino o le Eletise
| 316L | E talafeagai mo otaota i totonu o fale, otaota i fale gaosi oloa, vaieli, otaota i le taulaga, ma isi mea faapena, ma vailaau masima e vaivai le 'a'asa. |
| Hastelloy (HB) | E talafeagai mo acids e lē fa'a'okesaita e pei o le hydrochloric acid (e itiiti ifo i le 10%). Sodium hydroxide (e itiiti ifo i le 50%) sodium hydroxide alkali solution o vaega uma. Phosphoric acid po'o le organic acid, ma isi mea fa'apena, ae e lē talafeagai le nitric acid. |
| Hastelloy (HC) | 'Aseta fefiloi ma le vaila'au fefiloi o le 'aseta chromic ma le 'aseta sulfuric. Masima fa'a'okesaita e pei o le Fe+++, Cu++, vai susū, 'aseta phosphoric, 'aseta organic, ma isi mea fa'apena, ae le talafeagai mo le 'aseta hydrochloric. |
| Titanium (Ti) | E fa'atatau i chlorides (e pei o le sodium chloride/magnesium chloride/calcium chloride/ferric chloride/ammonium chloride/aluminum chloride, ma isi), masima (e pei o le sodium salt, ammonium salt, hypofluorite, potassium salt, vai susū), nitric acid (ae le aofia ai le nitric acid e mu), alkalis e ≤50% le malosi i le vevela o le potu (potassium hydroxide, sodium hydroxide, barium hydroxide, ma isi) ae le fa'atatau i: hydrochloric acid, sulfuric acid, phosphoric acid, hydrofluoric acid, ma isi. |
| Eletise Tantalum (Ta) | E talafeagai mo le hydrochloric acid (fa'aputuga ≤ 40%), dilute sulfuric acid ma le concentrated sulfuric acid (e le aofia ai le fuming nitric acid). E talafeagai mo le chlorine dioxide, ferric chloride, hypofluorous acid, hydrobromic acid, sodium cyanide, lead acetate, nitric acid (e aofia ai le fuming nitric acid) ma le aqua regia o lo'o maualalo ifo le vevela i le 80°C. Ae o lenei mea eletise e le talafeagai mo le alkali, hydrofluoric acid, ma le vai. |
| Eletise Platinum (Pt) | E fa'aoga i toetoe lava o vaila'au masima fa'avae-'aisa uma (e aofia ai le nitric acid fa'asu'i, sulfuric acid fa'asu'i), e le fa'aoga i: aqua regia, ammonia salt, hydrogen peroxide, concentrated hydrochloric acid (>15%). |
O mea o loʻo i luga e naʻo le faʻamatalaga, faʻamolemole tagaʻi i le suega moni. Ioe, e mafai foʻi ona e faʻafesoʻotaʻi matou. Matou te tuʻuina atu ni fautuaga mo oe.
E gaosia fo'i e la matou kamupani ni vaega fa'apitoa mo masini fa'aoga, e aofia ai electrodes, diaphragms u'amea, mama fa'avae, flanges diaphragm, ma isi mea fa'apena.
Fa'amolemole kiliki e matamata i oloa e feso'ota'i, fa'afetai.(Whatsapp/Wechat: +86 156 1977 8518)
Taimi na lafoina ai: Ianuari-05-2023