Polisulfone (PSU) Plastiki ye fɛn ye min bɛ se ka baara kɛ kosɛbɛ, a bɛ dɔn a muɲuni na cogo jugu la. K’a ta furakɛli baarakɛminɛnw na ka se aerospace yɔrɔw ma, PSU bɛ fanga kabakoma di, ka funteni kunbɛn, ani ka kemikaliya sabati. Nin sɛbɛn in kɔnɔ, aw bɛna PSU Plastic ka jogo kɛrɛnkɛrɛnnenw dɔn ani mun na a ye sugandili sanfɛla ye izini suguya caman kɔnɔ.
PSU plastiki ye mun ye?
PSU, walima polisulfone, ye sɛnɛfɛnw ye minnu bɛ se ka baara kɛ kosɛbɛ, olu bɛ dɔn a ka jogo ɲumanw fɛ. A bɛ kɛ ni sulfone kuluw ni aromatiki bololanɛgɛw ye minnu bɛ segin-segin, ka polimɛri jɔcogo barikama ni sabatilen dilan.
Nin kemikaliya kɛcogo kɛrɛnkɛrɛnnen in bɛ PSU ka jogo ɲumanw di, i n’a fɔ:
Funteni hakɛ caman sɔrɔli .
A ka fisa ni a ye .
resistance chimique ɲuman .
Mekaniki fanga kabakoma .
Ni an y’a suma ni thermoplastiques tɔw ye, PSU bɛ bɔ kɛnɛ kan k’a sababu kɛ a seko ye k’a jogo mara funteni hakɛ caman na. A bɛ se ka funteni muɲu ka bɔ -150°F (-100°C) ka se 300°F ma (150°C), o b’a to a bɛnnen don baara caman kɛli ma.
| Propriété | PSU | PVC | ABS . |
| Baarakɛyɔrɔ funteni hakɛ (°C) . | 150 | 60 | 80 |
| Tensile fanga (MPa) . | 70 | 50 | 45 |
| Modulu flexural (GPA) . | 2.48 | 2.4 | 2.3 |
Tablo 1 : PSU ni thermoplastique wɛrɛw sangali .
PSU bɛ sɔrɔ thermoplastiques amorphes ka denbaya kɔnɔ. O kɔrɔ ye ko a ka molekiyɔmu jɔcogo bɛ labɛn k’a sɔrɔ a ma kɛ cogo si la, a tɛ i n’a fɔ plastiki semi-kirisitalini. PSU ka amorphous cogoya bɛ dɛmɛ don a la:
Molecules moléculaire (molecules) labɛncogo k’a sɔrɔ a ma kɛ cogo si la, o bɛ kɛ sababu ye ka PSU nɔgɔya dɔɔnin dɔɔnin ni a sumayalen don, o b’a to a bɛnnen don thermoforming (fɔɔnɔ) ni baarakɛcogo wɛrɛw ma.
Jaa 1 : PSU ka molekiyɔmu sigicogo jiracogo nɔgɔman .
PSU Plastique ka jogo ɲumanw .
PSU Plastiki tɔgɔ bɔra a ka jogo danmadɔw la. A bɛ masinw, funteni, kemikɛli ani kuran cogoyaw fara ɲɔgɔn kan cogo kɛrɛnkɛrɛnnen na minnu b’a kɛ sugandili sanfɛla ye baara suguya caman na.
Mekaniki jogo .
Tensile fanga ka bon: PSU ka fanga ye 10.200 psi (70 MPa) ye. O kɔrɔ ye ko a bɛ se ka fanga nafamaw muɲu k’a sɔrɔ a ma kari.
Flexural strength ɲuman: ni flexural strength ye 15400 psi (106 MPa) ye, PSU bɛ se ka bending forces kɛlɛ kosɛbɛ. A b’a cogoya mara doni kɔrɔ.
Aw bɛ se ka a ka bana kunbɛn ka ɲɛ: PSU ka IZOD ka nɔ bilali fanga ye 1,3 ft-lbs/in (69 J/M) ye. A bɛ se ka fɛn barikamaw minɛ k’a sɔrɔ a ma kari walima ka tiɲɛ.
fanga ka bon degun na: PSU bɛ se ka degun fanga muɲu fo ka se 13.900 psi ma (96 MPa). O b’a To a bɛnnen dòn baarakɛcogo ma yɔrɔ minnu na a bɛ Se ka Kɛ fanga-dafalenw ye.
thermal properties .
Funteni hakɛ caman sɔrɔli: PSU bɛ se k’a jogo mara funteni kɔrɔtalenw na. A ka baarakɛ funteni bɛ Taa 285°F (140°C) la.
Sumaya sabatili ɲumanba: PSU ka jogo bɛ to ka sabati funteni hakɛ caman na. A ka funteni-bɔli funteni ye 358°F (181°C) ye 66 psi ani 345°F (174°C) la ni 264 psi ye.
Coefficient low linear thermal expansion: PSU ka CLTE dɔgɔman ye 3,1 x 10^-5 in/in/°F (5,6 x 10^-5 m/m/°C) ye. O kɔrɔ ye ko a bɛ fɛn caman Changements de températures (Yɛlɛma fitininw) sɔrɔ ni funteni jiginni ye.
kemikɛli resistance .
Asidiw, alkaliw ani kɔgɔ jilamaw kɛlɛli: PSU bɛ se ka fura suguya caman ta. A bɛ se ka asidi minerali, alkali ani kɔgɔ furaw kɛlɛ.
Dantigɛli : PSU tɛ se ka ɛsitɛri, kulori ani hidrɔkarɔbɔni kasadimanw kɛlɛ. O furakisɛw bɛ se ka kɛ sababu ye ka fɛn in tiɲɛ walima ka a wuli.
Kuranko nafaw .
Dielektriki fanga ɲuman: PSU ka dielektriki fanga ye 425 v/mil ye (16,7 kV/mm). A bɛ kuran insulasi ɲuman di.
Insulating properties: PSU ka kuran resistivity ka bon ani dielektriki basigilen ka dɔgɔya a b’a kɛ insulator ɲuman ye. A bɛ se ka baara kɛ ni kuran ni ɛntɛrinɛti ye.
Propriétés wɛrɛw .
Flame Retardancy inherent: PSU ye tasuma-fanga-minɛn ye a danma. A bɛ UL94 V-0 tasuma-fanga-jatebɔ dafa k’a sɔrɔ a ma kɛ ni tasuma-fanga-minɛn wɛrɛw ye.
Dumuni suguya caman ɲɔgɔnna : PSU ka suguya dɔw bɛ FDA sariyaw labato. U bɛ se ka baara kɛ ni dumuniw ye minnu bɛ se ka ɲɔgɔn sɔrɔ.
Masina sɔrɔcogo ɲuman: PSU bɛ se ka kɛ masin ye ni fɛɛrɛ kɔrɔw ye. A bɛ sira Di yɔrɔw ni yɔrɔw dabɔli ma minnu ka gɛlɛn.
Nafolo nafama wɛrɛw
Dimension Stabilité: PSU b’a hakɛw mara waati kɔnɔ ani cogoya caman na. A ji bɛ dɔgɔya ani a bɛ dɔgɔya dɔɔni.
Transparency: PSU ye semi-transparent ye ni amber tint ye. O bɛ sira Di kɔnɔkow sɛgɛsɛgɛli ma baara dɔw la.
Kɛnɛyaji kɛlɛli : PSU bɛ se ka fiɲɛbana kunbɛn ka ɲɛ. A bɛ se ka gama fiɲɛw ni fiɲɛ suguya wɛrɛw sɔrɔli muɲu k’a sɔrɔ u ma tiɲɛniba kɛ.
| Nafolo | nafa . |
| Tensile fanga . | 10 200 psi (70 MPa) . |
| Flexural fanga . | 15 400 psi (106 MPa) . |
| Izod impact (notched) . | 1,3 ft-lbs/in (69 J/M) . |
| Fanga min bɛ kɛ ka mɔgɔw degun . | 13 900 psi (96 MPa) . |
| Baarakɛyɔrɔ funteni min bɛ to sen na . | 285°F (140°C) |
| Funteni funteni hakɛ (66 psi / 264 psi) . | 358°F (181°C) / 345°F (174°C) |
| Coefficient de expansion thermal lineaire . | 3,1 x 10^-5 in/in/°F (5,6 x 10^-5 m/m/°C) . |
| Dielektriki fanga . | 425 V/MIL (16,7 kV/mm) . |
Tablo : PSU Plastic ka jogo jɔnjɔnw .
Polisulfone (PSU) baarakɛcogo .
Polisulfone (PSU) plastiki bɛ kɛ ka caya iziniw kɔnɔ k’a sababu kɛ a ka funteni, a ka masina ani a ka kemikaliya ye. An k'a ka baarakɛminɛn jɔnjɔn dɔw Sɛgɛsɛgɛ.
Dɔgɔtɔrɔso ni kɛnɛyako .
PSU ka fisa furakɛli siratigɛ la, a ka se ka sterilize siɲɛ caman muɲu, ka lakana ni muɲuli sabati.
Stérilization cases : PSU ye dafalen ye furakɛli sterilize ko la ka da a ka funteni kunbɛncogo kan ani a ka se ka sterilize siɲɛ caman muɲu.
Denw ka minɛnw : A bɛ kɛ ɲinw furakɛli baarakɛminɛn suguya caman na, PSU bɛ fanga ni kɛlɛli wajibiyalenw di denfaya taabolo ma.
Furakɛcogo : PSU ka kemikaliya sabatili b’a to a ka ɲi kosɛbɛ minɛnw kɔnɔ minnu bɛ sterilize tuma bɛɛ.
Aerospace ani mobili .
PSU ka fanga n’a ka se ka sigida juguw kɛlɛ, o b’a to a bɛ kɛ fɛn ye min bɛ taa aerospace ni mobili yɔrɔw la.
Avion kɔnɔna : PSU bɛ kɛ awiyɔn kɔnɔna na, fanga, funteni, ani tasuma kunbɛnni nafa ka bon kosɛbɛ.
Catering Trolleys : A ka nɔgɔn cogoya n’a muɲuli bɛ PSU kɛ fɛn ɲuman ye awiyɔnw ka wotoroninw kama.
Bearings and precision gears : PSU ka gɛlɛya bɛ a to a ka baara kɛ ka ɲɛ mobili birikiw ni fɛnw labɛnni na, hali ni degun bɛ a kan.
Kuran ni elekitoroniki .
PSU ka dielektriki fanga n’a ka insulasi b’a kɛ nafama ye ɛntɛrinɛti ni kuran baara la.
Connecteurs : PSU bɛ kɛ ka caya kuran ɲɔgɔndanw na, a bɛ insulasi ni a muɲuni ɲuman di.
Coil farikolow : A ka se ka funteni ni kemikaliya kɛ, o b’a to a bɛnnen don coil farikolow ma kuran minɛnw na.
Insulating components : PSU ye fɛn ye min bɛ sugandi ka ɲɛsin yɔrɔw ma minnu bɛ se ka lakana ɛntɛrinɛti minɛn suguya caman na.
Dumuniko industriyali .
PSU farati tɛ dumuni minɛcogo ni a labɛnni na, k’a sababu kɛ a ka kemikaliya ni a ka sariyaw ye minnu bɛ bɛn FDA ma.
Ji sumalenw : A bɛ kɛ ka caya ji sumalenw na k’a sababu kɛ a bɛ se ka funteni caman minɛ k’a sɔrɔ a ma tiɲɛ.
Plumbing manifolds : PSU ka muɲuli b’a to a ka ɲi plombing manifolds ma, kɛrɛnkɛrɛnnenya la minnu bɛ ji funteni na.
Dumuniko baarakɛminɛnw : PSU Dumunikɛminɛnw ka nɔgɔn, u bɛ mɛn, wa u bɛ se ka funteni caman muɲu jagokɛyɔrɔw la.
Ji filɛcogo ani a saniyacogo .
PSU ka se ka kemikaliya ni funteni caman sɔrɔ, o b’a to a bɛ kɛ sugandili ɲuman ye ji filili yɔrɔw la.
Tubuw, flanw, ani pɔnpe yɔrɔw : PSU bɛ kɛ tubabukanw na, flanw na, ani pɔnpew la ji saniyacogo la. A bɛ kemikoro tiɲɛni kɛlɛ, ka baara kuntaalajan kɛ sigida gɛlɛnw na.
| Aplikasi | misali yɔrɔw . |
| Furakɛli | sterilisation kɛsu, ɲinw baarakɛminɛnw, minɛnw . |
| Aerospace . | Avionw kɔnɔna, wotoro, birikiw . |
| Elektroniki . | connecteurs, bobine farikolow, insulation . |
| Dumuniko industriyali . | Ji funtenimaw, sarɛtiw, manifoliw . |
| Ji filɛcogo . | Tubes, flanes, pompe parts . |
Yɛlɛma minnu bɛ kɛ polisulfɔni (PSU) la .
Hali ni PSU bɛ waso kaban ni nafolo kabakomaw ye, a bɛ se ka bonya ka taa a fɛ ni fɛn caman b’a la ka fɛn caman sɛmɛntiya. O ladamuni ninnu b’a to PSU bɛ se ka labɛn ka kɛɲɛ ni baara kɛrɛnkɛrɛnnenw ni iziniw ye.
ɲagaminenw ka ɲɛsin fɛnw ma minnu bɛ bonya .
PSU ni polimɛri wɛrɛw ɲagamini ye fɛɛrɛ ɲuman ye walasa k’a ka baara kɛcogo ɲɛ. Blenko fila minnu bɛ kɛ ɲɔgɔn fɛ, olu ye:
PSU/PA ɲagaminenw:
PSU ni poliyamidi (PA) ɲagamini bɛ a ka jibɔcogo n’a ka gɛlɛya bonya.
PA ka semi-crystalline cogoya fana bɛ ɲagami in ka kemikaliya ka se ka kɛ.
O ɲagaminenw bɛ fɛn fila bɛɛ fanga fara ɲɔgɔn kan, o bɛ na ni fɛn dɔ ye min bɛ kɛ ni fɛn bɛɛ ye min bɛ se ka kɛ fɛn bɛɛ ye.
PSU/PC ɲagaminenw:
PSU ni polikarbonati (PC) faralen ɲɔgɔn kan, o bɛ se k’a ka jibɔcogo ɲɛ ka sɔrɔ ka masinw ka baarakɛcogo sabati.
Nka, ka da PC ka amorphe cogoya kan, ɲɛtaa caman tɛ kɛ kemikoro la.
O ɲagaminenw nafa ka bon yɔrɔ minnu na baarakɛcogo ɲuman ka kan ka kɛ k’a sɔrɔ u ma masin fanga saraka.
Fɛn minnu bɛ kɛ ka fɛnw fara ɲɔgɔn kan .
Ni farankanw donna PSU kɔnɔ, o bɛ se k’a ka nafaw bonya ka taa a fɛ. Fɛɛrɛ dɔ min bɛ kɛ tuma caman na, o ye ka baara kɛ ni filɛriw ye:
Filɛriw:
Ni aw ye fasaw fara PSU kan, o bɛ se k’a ka masina fanga n’a ka kemikaliya kunbɛn.
Filɛlikɛlan minnu bɛ sɔrɔ tuma caman na, olu ye gilasi fiyɛw ye, karɔbɔni fiyɛw, ani minɛri falenfɛnw i n’a fɔ talki walima karɔbɔni kalisiyɔmu.
Filler sugandili bɛ bɔ nafolo yiriwali kɛrɛnkɛrɛnnen na min b’a fɛ ani a ɲinini wajibiyalenw.
| Filɛriw | ka nafolo bonya . |
| Fibres glass . | A ka tension ani a ka flexural fanga, a ka dimensions sabatili ɲɛtaa . |
| Fibres carbones . | Fanga ni girinya hakɛ caman, funteni ni kuran taabolo ɲɛnabɔlen . |
| Talc . | A ka gɛlɛn ka caya, a ka funteni kunbɛncogo ɲɛ, a bonya ka fisa . |
| Karɔbɔni kalisiyɔmu . | Dɔ bɔra ka gɛlɛya, ka nɔw kunbɛncogo ɲɛ, ka musaka dɔgɔya . |
Tablo: Filɛlikɛlan minnu bɛ kɛ PSU la ani u ka nafolo yiriwali .
Yɛlɛma minnu bɛ kɛ ka ɲɛsin baarakɛcogo ma .
PSU bɛ se ka ladilan walasa ka izini suguya caman mago kɛrɛnkɛrɛnnenw ɲɛnabɔ. Misali kɛrɛnkɛrɛnnen fila ye ninnu ye:
Aerospace:
Aerospace baarakɛcogo la, PSU bɛ fɛn caman sɛmɛntiya tuma caman na walasa k’a tasuma kunbɛncogo n’a sisi bɔli ɲɛ.
Fɛn minnu bɛ fara a kan i n’a fɔ fosiporozɛni, olu bɛ se ka don a kɔnɔ walasa ka o jogo ninnu bonya.
Ka fara o kan, barikalanw i n’a fɔ karɔbɔli fiyɛw bɛ se ka kɛ ka PSU fanga ni girinya hakɛ caya awiyɔn yɔrɔw la minnu ka nɔgɔn.
Furakɛli:
Furakɛcogo la, PSU bɛ se ka fɛn caman sɛmɛntiya walasa ka a ka biyocompatibilité ani a ka sterilizability ɲɛ.
Banakisɛfagalanw faralen ɲɔgɔn kan, olu bɛ se ka don a la walasa ka banakisɛw ni fɛnɲɛnama wɛrɛw falenni bali furakɛli minɛnw kan.
Polimɛri matiriyali fana bɛ se ka labɛn walasa ka bɛn ni sterilisation fɛɛrɛ suguya caman ye, i n’a fɔ autoclaving walima gamma irradiation.
Ninnu ye misali damadɔw ye PSU bɛ se ka ladilan cogo min na izini kɛrɛnkɛrɛnnenw kama. PSU ka fɛn caman kɛli bɛ sira di mɔgɔw ma minnu bɛ se ka kɛ ka kɛɲɛ ni mɔgɔw sago ye, o b’a to a bɛ kɛ fɛn nafama ye baara caman na.
Dilanko jateminɛw .
Ni aw bɛ fɛnw dilan ni PSU plastiki ye, fɛn nafama caman bɛ yen aw ka kan ka minnu jateminɛ walasa ka baara kɛcogo ɲuman sɔrɔ.
Dimensions sabatili .
PSU nafa ka bon a ka thermal expansion dɔgɔyalen na , o b’a to a ka ɲi yɔrɔw ma minnu ka kan ka hakɛ tigitigiw mara.
tiɲɛni minnu bɛ kɛ funteni caman na : PSU bɛ se k' a cogoya n' a bonya mara hali ni a bɛ funteni caman na . O bɛ kɛ sababu ye ka ɲɛfɔli kɛ, kɛrɛnkɛrɛnnenya la, aerospace walima furakɛli yɔrɔw la minnu bɛ funteni jugumanba sɔrɔ.
| Propriété | PSU Plastique | Alternative Thermoplastics . |
| Coefficient de expansion thermal . | Fɛ́gɛn | Sanfɛ (a sabatilen tɛ) . |
| funteni muɲuni . | fo ka se 160°C ma . | A bɛ dɔgɔya fɛn caman na . |
Kɛnɛyako wajibiyalenw .
Hali ni PSU ye semi-transparent ye, masinw bɛ se ka nɔ bila a jɛlen na.
Sigida dantigɛli .
PSU ma bɛn kɛnɛma baara ma min bɛ mɛn sen na ni a tɛ a yɛrɛ tanga.
UV resistance sɔrɔbaliya : UV yeelen sɔrɔli bɛ se ka PSU tiɲɛ, o bɛ na ni kulɛri caman ye ani ka baara fanga dɔgɔya. A ka fisa ka baara kɛ ni a ye so kɔnɔ walima ni a bɛ se ka a yɛrɛ tanga ..
Weatherability : PSU tɛ baara kɛ ka ɲɛ sigidaw la minnu bɛ tile yeelen walima waati gɛlɛn na. Fɛn wɛrɛw walima finimugu wɛrɛw ka kan ka jateminɛ kɛnɛma baara kama.
musaka jateminɛw .
Hali ni PSU bɛ baara kɛcogo ɲuman di, a bɛ na ni sɔngɔba ye ni i y’a suma ni thermoplastique tɔw ye.
Balannako musaka ni baarakɛcogo : PSU ka jogo danmadɔw , i n’a fɔ funteni ni kemikɛli, o bɛ a musaka jira baara nafamaw la. Nka, ni aw bɛ baara kɛ ni a ye kosɛbɛ, fɛn minnu bɛ kɛ ka a kɛ fɛn ye, olu bɛ se ka fura di min musaka ka dɔgɔn.
| Matériel | Cost | Application Suitabilité . |
| PSU . | sanfɛ . | A ka baara ka bon, a ka funteni ka bon . |
| Polikarbonati . | Ka bɛrɛbɛn | Jɛkuluba-kunnafoni, funteni dɔgɔyali . |
| Acrylique . | Ka lajigin | Transparency-focused, kɛnɛma baarakɛcogo . |
Machine de plus de PSU Plastique .
PSU plastiki ka masinko tigitigi sɔrɔli bɛ ɲini ka jateminɛ kɛ kosɛbɛ fɛn caman kan. Annealing, machining kɛcogo ɲumanw, ani nɔgɔya kunbɛnni nafa ka bon kosɛbɛ walasa ka ɲɛtaa ɲuman sɔrɔ.
Annealing .
Annealing ye baara nafamaba ye PSU Plastic ka masina tigitigi la. A bɛ dɛmɛ ka kɔnɔna degunw lajɔ minnu bɛ se ka kɛ sababu ye ka kari walima ka dɛsɛ ka kɔn a waati ɲɛ.
Wajibiya ni baarakɛcogo sariyaw minnu bɛ tali kɛ degunw furakɛli la, olu tɛ se ka fɔ ka tɛmɛ. Annealing protocoles ɲumanw b’a to PSU yɔrɔw masinw bɛ u hakɛ sabatili n’u ka masinw cogoya mara waati kɔnɔ.
Masini kɛcogo ɲumanw .
Ni aw ye nɛnɛmadalan ɲumanw sugandi ani ka tugu kɛcogo ɲumanw na, o nafa ka bon walasa ka masinw sɔrɔcogo ɲumanw sɔrɔ.
| Coolant suguya | bɛnnen | nafa . |
| Non-aromatic, ji-la-nɔgɔ-nɛnɛ-fɛnw . | A bɛnnen don kosɛbɛ . | Optimale sur surface fini, tolerances closes . |
| fiɲɛ degunlen ni fiyɛlilanw . | A bɛnnen don kosɛbɛ . | funteni ni ɲɔgɔnkanu dɔgɔyali, baarakɛminɛnw ɲɛnamaya janyalen . |
| Petroleum-based coolants . | A ma bɛn . | ka binkanni kɛ ani ka PSU tiɲɛ . |
Tabali : nɛnɛmadalan bɛnnenw ani nafaw ka ɲɛsin masinw ma PSU .
Nɔgɔya kunbɛnni .
Nɔgɔya kunbɛnni nafa ka bon kosɛbɛ ni PSU masina, kɛrɛnkɛrɛnnenya la, iziniw kama minnu ka saniyako ka gɛlɛn, i n’a fɔ aerospace ani furakɛli.
Misali minnu bɛ nɛgɛ nɔgɔli faratiw jira, olu ye:
Dɔgɔtɔrɔso minɛn dilanko tɔn dɔ ye nɛgɛ fɛnɲɛnamafagalanw sɔrɔ minnu bɛ don masinw kɔnɔ PSU yɔrɔw la, o bɛ na ni fɛn dilannenw hakilijigin ye ani wariko bɔnɛba.
Aerospace baarakɛyɔrɔ dɔ ye PSU yɔrɔw dɛsɛ ka kɔn a waati ɲɛ ka da nɛgɛ nɔgɔli kan, o kɛra sababu ye ka lakana haminankow sɔrɔ ani ka dilan musakabaw kɛ.
Walasa ka o ko suguw bali, aw bɛ nɔgɔya kɔlɔsili fɛɛrɛ gɛlɛnw tigɛ, i n’a fɔ:
Masina minɛnw saniyacogo ɲuman ani u ladonni .
Siginidenw sɛgɛsɛgɛli bɛ kɛ masinw kan walasa ka nɔgɔw sɔrɔ .
HEPA filtration systems (HEPA filtration systems) baara walasa ka masinw ka sigida saniyalen mara .
Saniya sariyaw labatoli gɛlɛn ani baarakɛcogo sariyalenw .
Kuncɛli
Polisulfone (PSU) plastiki bɛ bɔ kɛnɛ kan a ka funteni ni a ka kemikaliya kɛlɛli la . A bɛ masin fanga ni a hakɛ sabatili di , o b’a to a bɛnnen don iziniw ma i n’a fɔ aerospace ani furakɛli minɛnw.
Ni aw bɛ PSU sugandi, aw bɛ musaka ni baarakɛcogo balansi . PSU ka sɔngɔ caman bɛ se ka kɛ wajibi ye tuma bɛɛ ka baara kɛ ni ɲininiw ye minnu tɛ fɛn caman ɲini. ɲuman Baarakɛcogo ni nɔgɔya kunbɛnni ye fɛnba ye walasa k’a ka baara kɛcogo ɲɛ.
Ladilikanw: A bɛ se ka kɛ ko aw bɛ a fɛ ka a bɛɛ kɛ plastiki ye .
