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Fɛnɲɛnɛma jumɛnw bɛ se ka PTFE fini min funteni ka bon, o tiɲɛ?

Views: 0     Author: Site Editor Bɔli waati: 2026-06-15 Bɔyɔrɔ: Yɔrɔ

Aw ye ɲininkali kɛ

PTFE tɔgɔ bɔra a ka kemikaliya baarakɛbaliya fɛ – a bɛ fɔ a ma tuma caman ko 'Plastikiw masakɛ.' A bɛ se ka asidiw, alkaliw ani furajiw bɛɛ kɛlɛ so funteni na. Nka, 'a bɛ se ka fɔ ko bɛɛ' tɛ 'bɛɛ ye.' Ni cogoya jugumanw don – funteni ka bon, a hakɛ ka ca, walima ni a wulilen don – kemikɛli dɔw bɛ se ka bin PTFE kan. Wa hali ni PTFE yɛrɛ bɛ balo, fibreglasi min bɛ a jukɔrɔ, o bɛ se ka kɛ fɛn ye min bɛ se ka tiɲɛ ni fiɲɛ bɛ a dacogo la.

Nin dantigɛli ninnu faamuyali nafa ka bon kosɛbɛ sugandili la PTFE fini kemikɛli sigida gɛlɛnw na.

PTFE fini min bɛ funteni caman bɔ.png

Aokai PTFE ye fini minnu datugulen don ni PTFE ye, olu kɔrɔbɔ ka kɛɲɛ ni kemikɛli jugumanw ye. Nin gafe in bɛ a ɲɛfɔ fɛn minnu bɛ PTFE tiɲɛ k’a ɲɛsin a yɛrɛ ma, fɛn minnu bɛ bin fibreglasi substrat kan, ani cogo min na aw bɛ se ka aw yɛrɛ tanga dɛsɛw ma.

PTFE_Fini_Kimisi_kɛlɛli.png

Nɔgɔ bɛ kɛ cogo min na – Fɛɛrɛ fila

PTFE fini min funteni ka bon, o bɛ kɛ yɔrɔ fila ye: PTFE finimugu (min ka fin, a tɛ nɔrɔ, a tɛ se ka kɛ kemikɛli la) ani fibreglasi substrat (a bɛ fanga di nka a ka gɛlɛn kemikɛlifɛn dɔw ma). Nɔgɔ bɛ kɛ cogo fila la:

1. PTFE finimugu sɔgɔli tilennen

O bɛ kɛ dɔrɔn cogoya juguw la – funteni caman, a hakɛ caman, walima a wulilen cogo la. Ni so funteni ye, PTFE bɛ se ka kɛ a tanga kemikɛli tilennen ma.

2. Fibreglasi substrat (fibreglasi substrat) sɔgɔli ka da a dacogo tiɲɛni fɛ

Furakɛcogo bɛ don pinɛw kɔnɔ, sɔgɔsɔgɔninjɛw, walima micro-cracks minnu bɛ PTFE finimugu kɔnɔ ka bin gilasi fiyɛw kan. PTFE yɛrɛ bɛ se ka kɛ hali bi ka ɲɛ, nka fini tɛ masin fanga tiɲɛ, wa a bɛ se ka tigɛ nɔgɔya la. Nin ye dɛsɛcogo ye min ka teli ka kɛ ni finimugu tiɲɛna.

PTFE_Fini_Kɔrɔsili_Fɛɛrɛ.png

Fɛnɲɛnɛma minnu bɛ PTFE Coating kɛlɛ k’a ɲɛsin u yɛrɛ ma

O fɛnw bɛ kɛ ni PTFE yɛrɛ ye, nka ni cogoya jugumanw dɔrɔn de don.

1. Alkali nɛgɛw wulilenw – minnu ka ca ni tɔw bɛɛ ye

Sodiyɔmu (Na), potasiyɔmu (K) ani litiyamu (Li) wulilenw bɛ fluorine atomuw bɔ PTFE la, o bɛ kɛ sababu ye ka karɔbɔni kɛ, ka kɛ nɛrɛmuguma ye, ani ka kɛ sababu ye ka fɛn in sanfɛla mugu kɛ. Sodium-naphthalene jilama min bɛ kɛ ka PTFE etching kɛ, o bɛ baara kɛ o sariyakolo in kan.

  • A nɔfɛkow : PTFE sigicogo tiɲɛni pewu.

  • Jateminɛw : Ni a bɛ tali kɛ nɛgɛ wulilenw na (u wuliyɔrɔ sanfɛ, misali la, Na 98°C la).

  • Ladilikan: Aw ye aw yɛrɛ tanga pewu. Aw bɛ PTFE filimu saniyalen kɛ dɔrɔn ni a mago bɛ a la kosɛbɛ, ani hali o waati la, aw bɛ aw janto a la.

2. Fluorine (fluorine) barikamaw ni funteni ka bon

Nin fɛn ninnu bɛ se ka PTFE tiɲɛ ka taa a fɛ funteni caman na:

  • Gazi fluorine (F2): A bɛ kɛ sababu ye ka sɔgɔsɔgɔ dɔɔni dɔɔni ni funteni ni tansiyɔnba ye.

  • Fluorides interhalogènes : Fura minnu bɛ se ka baara kɛ kosɛbɛ i n’a fɔ kulori trifluoride (ClF3) ani brome pentafluoride (BrF1) olu bɛ se ka kɛ sababu ye ka PTFE kɛcogo juguw bila mɔgɔ la walima hali ka PTFE jeni funteni caman na.

  • Fluoride oksidan barikamaw : Misali la, difluoride xénon (XeF2).

Ladilikan: Aw bɛ PTFE fini yɔrɔ janya nin fura ninnu na, kɛrɛnkɛrɛnnenya la ni funteni ka bon.

3. Aw bɛ alkali barikamaw wuli funteni caman na

Sodiyɔmu idɔrɔkisidi (NaOH) ni potasiyɔmu idɔrɔkisidi (KOH) minnu wulilen don, olu bɛ PTFE sanfɛla sɔgɔ dɔɔni dɔɔni ka tɛmɛ 300°C kan, o bɛ na ni jibɔbaliya ni a ɲɛda kɛnɛyali bɔnɛni ye. 300°C duguma, PTFE bɛ alkaliw kɛlɛ kosɛbɛ. So funteni na, nɔ tɛ foyi la.

4. Nɛgɛmugu minnu bɛ kɛ ka fɛnw kɛ ni funteni caman ye

Manje mugu (Mg), aluminiyɔmu mugu (Al), ani o ɲɔgɔnna fɛnw bɛ ɲɔgɔn sɔrɔ ni PTFE ye ni fanga ye funteni caman na, ka nɛgɛ fluoride ni karɔbɔni bɔ. O de ye tasuma-fanga ni tasuma-fanga-minɛn dɔw basigi ye, PTFE bɛ minnu na.

PTFE_Korosiyɔn_ni_Sodiyɔmu_Mɔlen.png

Fɛnɲɛnɛma minnu bɛ bin fibreglasi substrat kan ni finimugu dɛsɛw ye

Nin fura ninnu tɛ kɛ ni PTFE ye, nka ni PTFE dacogo bɛ ni pinɛ, sɔgɔsɔgɔninjɛ walima a dawolo ye, u bɛ don fibreglasi kɔnɔ ka a tiɲɛ.

1. Asidi fluorique (HF) – a farati ka bon kosɛbɛ

Asidi fluorique hydrofluorique bɛ fibreglasi tiɲɛ kosɛbɛ. A bɛ ɲɔgɔn sɔrɔ teliya la ni siliyɔmu gazi ye (glasi yɔrɔba) ka siliyɔmu tetarafluoride gazi dilan, ka gilasi fiyɛw labɔ.

  • PTFE yɛrɛ bɛ HF kɛlɛ cogo dafalen na – PTFE bɛ kɛ tuma caman na HF minɛminɛnw na.

  • Nka, fini min datugulen don ni PTFE ye, o TƐ lakana ye HF ma fo ni finimugu tɛ pinɛw la pewu (o garanti ka gɛlɛn kosɛbɛ). Nafa o fiɲɛ bɛ kɛ, o bɛna a to HF ka se ka don fibreglasi kɔnɔ, o bɛ kɛ sababu ye ka fini tiɲɛ joona.

  • Ladilikan: Walasa ka HF baara kɛ, aw bɛ PTFE filimu saniyalen kɛ (fibreglasi barikalan tɛ a la) walima PTFE finimugu dafalen min bɛ ni zeru pinɛw sɛgɛsɛgɛlen don.

2. Alkali caman bɛ sɔrɔ funteni caman na

Idrɔkisidi sodiyɔmu (NaOH) jilama min ka ca kosɛbɛ ni a funteni ka bon, o bɛ se ka fibreglasi tiɲɛ ni finimugu dafabaliya ye. So funteni na, alkali diluw, farati tɛ olu la.

3. Asidi fosifɔriki caman bɛ sɔrɔ funteni caman na

Ni aw bɛ asidi fosifɔriki funteniman minɛ ka mɛn, o bɛna kɛ sababu ye ka fibreglasi sɔgɔ. Nin sen in fana na, PTFE yɛrɛ bɛ a kɛlɛ, nka finimugu dafalenw de ye barikantanya ye.

Hakililajigin nafamaw ka ɲɛsin kemikɛli baara ma

1. Dɛsɛ fanba bɛ bɔ masinw sɛgɛnni na walima funteni fɛ, a tɛ bɔ kemikɛli binkanni na

Sɛnɛfɛnw na minnu bɛ kɛ cogoya la (kemikɛli iziniw, dumuni dilanni, a ɲɔgɔnnaw), PTFE fini bɛ dɛsɛ ka da a sɔgɔli kan, a tigɛcogo kan, walima a tiɲɛni fɛ kabini waati jan sani kemikaliya sɔgɔli ka kɛ ko ye. PTFE ka kemikaliya baarakɛbaliya ye tiɲɛ ye, wa a bɛ se ka da a kan furakisɛw bɛɛ lajɛlen na minnu bɛ sɔrɔ fo ka se 260°C ma.

2. Ni aw ka kan ka furakisɛ juguw ta, aw bɛ PTFE filimu saniyalen kɛ

Ni aw bɛ baara kɛ ni alkali nɛgɛw wulilenw ye, HF funtenima, walima fluorine barikamaw, fibreglasi min datugulen don ni PTFE ye, o man ɲi . O nɔ na, ​​baara kɛ ni:

  • PTFE filimu saniyalen (skived walima cast) ni fibreglasi barikalan tɛ a la

  • PTFE-lined nɛgɛminɛnw

  • PFA walima FEP (fluoropolimère wɛrɛw minnu ka resistance bɛ ɲɔgɔn ta nka u ka masin cogoya tɛ kelen ye) .

3. Aw bɛ a sɛgɛsɛgɛ tuma bɛɛ sani aw ka baara kɛ ni a ye cogo dafalen na

Ni aw ka baarakɛminɛn bɛ kɛ ni kemikɛlifɛnw ye minnu ma sɛbɛn ko 'safe' bɛnkansɛbɛnw kɔnɔ, aw bɛ fɛnw bɛncogo sɛgɛsɛgɛli kɛ baarakɛcogo yɛrɛ la (funteni, u hakɛ, u kuntaala). Aokai PTFE bɛ se ka sɛgɛsɛgɛli kɛcogo misaliw di walasa ka tiɲɛni kɛ.

PTFE_Membrane_vs_Fabric_Chimique_Resistance.png. Bamako, Mali

Kuma surun – Chimique compatibilité Quick Reference

Kimikɛ

A bɛ nɔ bila PTFE Coating la

A nɔ min bɛ Fibreglasi la (ni a bɛ kɛnɛ kan) .

Safe for PTFE Fabric ye wa?

Asidi fanba (H2SO4, HCl, HNO3, a ɲɔgɔnnaw) .

Foɲisi

Foɲisi

✅ Ɔwɔ (fo ka se 260°C ma) .

Alkali fanba (NaOH, KOH – dilué, so température) .

Foɲisi

Foɲisi

✅ Ɔwɔ

NaOH/KOH min bɛ kɛ ka caya >300°C (a wulilen) .

A bɛ sɔgɔsɔgɔ dɔɔni dɔɔni

Binkanni kɛ ni fiɲɛw ye

⚠️ Ayi (baara kɛ ni PTFE saniyalen ye)

Asidi fluorique hydrofluorique (HF) .

Foyi tɛ (resistance excellent) .

A bɛ wuli joona

❌ Ayi (fo ni finimugu dafalen don) .

Fɛnɲɛnamafagalanw (asetɔni, toluyɛni, alikɔliw) .

Foɲisi

Foɲisi

✅ Ɔwɔ

Nɛgɛ alkali wulilenw (Na, K) .

Tiɲɛni dafalen

N/A

❌ Ayi (aw bɛ PTFE saniyalen kɛ) .

Gazi fluorine (F2) ni funteni ka bon

A bɛ toli

N/A

❌ Ayi

Asidi fosifɔriki min ka ca ni funteni ye

Foɲisi

A bɛ sɔgɔsɔgɔ dɔɔni dɔɔni

⚠️ Kɔlɔsili (aw ye aw yɛrɛ tanga fiɲɛw ma) .

Aokai PTFE bɛ bilasiralikan di kemikaliya bɛnkan ma, wa a bɛ se ka fura ɲuman fɔ – fini min datugulen don ni PTFE ye baara fanba la, walima PTFE filimu saniyalen ye kemikɛli baara jugumanba kama. Aw bɛ se ka anw sɔrɔ ni aw ka kemikɛli kɛrɛnkɛrɛnnen, funteni ani a tali waati ye.

Sanfɛ kɔnɔkow bɛ di Jiangsu Aokai Kura Materiel Teknoloji Co., Ltd.

N’aw b’a fɛ ka kunnafoni caman sɔrɔ fɛn ɲɛfɔlenw kan, baarakɛcogo misaliw ani furaw kan minnu bɛ kɛ ka kɛɲɛ ni mɔgɔw sago ye an ka fɛn dilannenw bɛɛ lajɛlen na, i n’a fɔ PTFE finiw minnu bɛ funteni caman bɔ, PTFE kasɛti minnu bɛ funteni caman bɔ, PTFE cɛsirilanw, sirili masinw cɛsirilanw, PTFE fini fan kelen, fɛnɲɛnamafagalanw minnu bɛ se ka funteni caman kɛlɛ ani fibreglasi minnu bɛ se ka funteni caman kɛlɛ finiw, aw bɛ se ka anw sɔrɔ:

An bɛ baarakɛcogo ɲuman ni tilennenya hakilila sabati tuma bɛɛ, wa an cɛsirilen don ka fɛɛrɛw di aw ma yɔrɔ kelen na ani ka baara kɛtaw di aw ma minnu bɛ jateminɛ kɛ.

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Jiangsu Aokai Materiel kura
AoKai PTFE ye baarakɛla ye PTFE Coated Fiberglass Fabric Dilanbagaw ni u feerelaw Sinuwa jamana na, minnu kɛrɛnkɛrɛnnen don a dicogo la PTFE Bande Adhesif, PTFE Cɛsirilan min bɛ fɛnw ta, PTFE Mesh Cɛsirilan . Ka PTFE finimugu fibreglasi finiw san walima k’u feere caman na . A bonya, a bonya, a kulɛri caman bɛ sɔrɔ ka kɛɲɛ ni mɔgɔw sago ye.

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