PTFE kaseti min bɛ funteni caman na, o bɛ se ka kɔgɔ fiyɛli kunbɛn kosɛbɛ, nka a barika ka dɔgɔn, o ye nɔrɔlan ni fibreglasi substrat dakunw ye. Jateminɛ kɛcogo : 1000h neutre salt spray (NSS) sɛgɛsɛgɛli, ka ɲɛgɛnɛsira fanga maracogo suman (≥80% wajibiyalen don), ɲɛnayeli dɛsɛ (kɔrɔta, kurukuru), ani nɛgɛdaga sɔgɔli. Kɔgɔjida la ani kɔgɔ caman bɛ yɔrɔ minnu na: aw bɛ silikoni PSA kɛ (a tɛ akiriliki ye), ka PTFE substrat min falen don a la kosɛbɛ, ka dakunw datugu ni finimugu ye min bɛ se ka waati kɛlɛ, ani ka primer kɛ nɛgɛw kan.

Silikoni tansiyɔn-sɛgɛsɛgɛlikɛlanw (PSA) minnu bɛ kɛ PTFE kasɛtiw la minnu ka funteni ka bon, olu tɛ kelen ye kosɛbɛ kɔrɔya baarakɛcogo la funteni caman na. Metilfenili silikɔni PSA bɛ a ɲɛkisɛ fanga >85% mara 250°C/tile 7 kɔfɛ, ka sɔrɔ metilɛri suguya jɔnjɔn bɛ jigin ka se 50-70% ma. Furakɛcogo minnu bɛ kɛ ni farali ye (hydrosilylation) olu bɛ sabatili ɲuman di kosɛbɛ ka tɛmɛ perokisidi furakɛli kan. Walasa ka 200°C+ baara kɛ ka taa a fɛ, aw bɛ fenili caman sɔrɔ minnu furakɛra ni farali ye.

PTFE pressure-sensitive adhesive (PSA) kasɛti minnu bɛ funteni minɛ, olu ka kan ka funteni bila ka a sɔrɔ u bɛ to ka nɔrɔ. Ni aw ye fasaw fara a kan, o bɛ funteni taabolo ɲɛ nka a bɛ nɔrɔli dimi. Balance optimal bɛ baara kɛ ni spherical coarse particles (i n’a fɔ conductive skeleton) minnu ɲagaminen don ni fine particules (ka yɔrɔ lakolonw fa), ka total filler loading to percolation threshold sanfɛ dɔrɔn. Aw bɛ aw yɛrɛ tanga sɔgɔsɔgɔninjɛ ni fiɲɛw ma; u bɛ tack faga.

PTFE kaseti funteni caman bɛ baara kɛ PV baarakɛlaw ye jɔyɔrɔ fila la minnu tɛ kelen ye: baarakɛcogo min bɛ kɛ (a bɛ EVA ka tɛmɛsira nɔrɔli bali laminatɛriw kan, solder mask) ani insulasi min bɛ mɛn (busbar wrap, junction box fixation). Walasa ka kɔnɔna baara kɛ kudayi, kasetiw ka kan ka tɛmɛ IEC 61215 fɛ: 1000-2000h funteni ɲiginnen, UV, funteni cycle (-40°C ka se +85°C), ni silikɔni PSA ani dɔgɔyali <1%.

PTFE kaseti funteni caman bɛ kɛ funteni-datugulanw ni sigilanw kan, o bɛ nafa jɔnjɔn naani di: a bɛ plastiki wulilenw nɔrɔli bali (a bɛ jɔli waati ban), a bɛ sigilan sɔngɔ gɛlɛnw lakana, ka funteni/degun kɛ kelen ye walasa ka sigilanw kɛ cogo kelen na, ani ka filimuw sɔgɔsɔgɔli dɔgɔya. Kase min bɛ kɛ ni fibreglasi ye (0,13-0,25 mm) ni silikoni PSA (≥260°C) bɛ a la, o ka ɲi. Base nɛrɛma anti-statique ka ɲɛsin layini teliyaba ma.

PTFE nɔrɔlen kase ji labɔli jogo bɛ dɔn fɔlɔ ni finimugu nafamafɛnw ye (micropores, microcracks, fibre wicking) sanni ka kɛ PTFE ka jibɔcogo kɔnɔna na. PTFE filimu saniyalen bɛ WVTR cɛmancɛ dɔrɔn de di. Datugulan caman ni lamellar fillers (mica, glass flakes) bɛ labirinti nɔ bila, o bɛ dɔ bɔ kosɛbɛ lafiɲɛbɔ la. Walasa ka da tugu ni nɛnɛ ka bon, aw bɛ finimugu dantigɛlenw ɲɛfɔ.

PTFE kasɛti nɔrɔlen funtenimanba ka sɛgɛnbaliya doni basigilen kɔrɔ (kɛrɛnkɛrɛnnenya la ni 200-260°C ye) o bɛ dantigɛ ni fɛn fila ye: silikoni PSA sɔgɔsɔgɔninjɛ density (kɛrɛnkɛrɛnnenya la min ka bon, o bɛ jibɔ bali) ani substrat suguya (PTFE min barika ka bon ni fibreglasi ye, o bɛ sɔgɔsɔgɔninjɛ nɛnɛ kɛlɛ; PTFE filimu saniyalen bɛ sɔgɔsɔgɔ). Nɛgɛ min ma tigɛ, o bɛ dɛsɛ joona ni funteni ka bon. Nɛgɛdaga minnu ka bon, olu bɛ dɔ fara creep farati kan.

PTFE kasɛtiw la minnu ka funteni ka bon, u su ji la waati jan kɔnɔ, PTFE substrat bɛ to kemikɛli la, nka a nɔrɔlen ye barika dɔgɔyayɔrɔ ye. Ji bɛ silikoni PSA fanga dɔgɔya; kɔgɔji bɛ sɔgɔli teliya. Ni kemikɛli jugumanw don, fluorosilicone walima perfluoropolyether nɛgɛmafɛnw – walima PTFE kaseti min tɛ nɔrɔlan ye – olu de ka kan. A ɲɛkisɛ fanga bɛ dɔgɔya fo ka se 40% ma sanga 48 kɔfɛ ji la.

PTFE kaseti min bɛ funteni caman sɔrɔ, o bɛ a maracogo ɲuman de wajibiya walasa a ka nɔrɔli, a ka se ka wuli, ani a bɔli baara la. Fɛn minnu ka kan ka kɛ, olu ye funteni kɔlɔsili ye (10-30°C), nɛnɛ hakɛ min bɛ 60% duguma, yeelen bɔli, kemikaliya bɔli, a bilali jɔlen na, ani fiɲɛbɔ. Aw bɛ tugu FIFO ka fɛnw maracogo la ani ka u sɛgɛsɛgɛ tuma bɛɛ.

Silikoni tansiyɔn sɛgɛsɛgɛlikɛlan ka gilasi jiginni funteni (Tg) bɛ -120°C lamini – a ka dɔgɔn kosɛbɛ ka tɛmɛ akiriliki nɛgɛw kan. Nin Tg min ka dɔgɔ kosɛbɛ, o bɛ PTFE kasɛti funteni caman to a ka wuli ka wuli ani ka nɔrɔ hali ni a bɛ -70°C, ka kari karilenw bali ani ka kɛ sababu ye ka nɔrɔli dafalen kɛ kiriyɔzɛni baarakɛcogo la.