Chii chinomisa Hupenyu hweSevhisi yePTFE Yepamusoro-Tembiricha Fabric?

PTFE high-temperature jira rinogara zvinoshamisa - rinokwanisa kutsungirira makore ekupisa, kuratidzwa kwekemikari, uye basa risina tsvimbo. Asi pakupedzisira, zvinokundikana. Mubvunzo ndewokuti: chii chinoita kuti ikundikane, uye ungaita sei kuti igare kwenguva refu?

Mhinduro yacho inosanganisira zvikamu zvitanhatu zvezvinhu: tembiricha (yakakura), kushushikana kwemagetsi, nharaunda yemakemikari, maitiro ekuchenesa, mamiriro ekuchengetera, uye yekutanga mhando yejira pacharo.

Aokai PTFE yakaongorora kutadza kwemunda muzviuru zvezvikumbiro. Pazasi tinotsanangura chinhu chimwe nechimwe, maitiro ekuziva zviratidzo zvekutanga, uye zvaungaita kuwedzera hupenyu hwesevhisi.

Tembiricha – The Primary Killer

PTFE inogona kubata kupisa kwakanyanya, asi kusvika padanho. Kupfuura iyo pfundo, uye kuderera kunowedzera nekukurumidza.

1. Kuenderera mberi kwekushisa-kupisa kushanda

Iyo yakawanda yenguva yakareba inoramba ichishanda tembiricha yePTFE inenge 260°C . Kufamba kwenguva pfupi kusvika ku300 ° C kunogamuchirwa, asi kuratidzwa kwenguva refu pamusoro pe260 ° C kunokonzera:

• Yellow uye embrittlement yekupfeka

• Kurasikirwa kwechinhu chisina tsvimbo

• Kuora (kupfuura 400°C, kuburitsa magasi ane chepfu)

• Mechanical simba kuderedza

Kutarisa mumunda: Bhandi rekutakura rePTFE rinomhanya pa280°C pachinzvimbo che250°C rinogona kugara mwedzi mitanhatu chete pachinzvimbo chemakore matatu.

2. Kudzokororwa nekukurumidza kupisa nekutonhodza (thermal shock)

PTFE coating uye fiberglass substrate ine akasiyana coefficients ekuwedzera kwekupisa. Kana jira racho richidziyirwa uye kutonhora nekukurumidza uye kakawanda:

• Iyo yekuputira inowedzera uye zvibvumirano pachiyero chakasiyana pane chegirazi fibers

• Izvi zvinokonzera delamination pakati pezvikamu → kutsemuka, mablister, uye kupatsanurwa

• Kunyanya kuomarara pamipendero yejira uye kutenderedza ma mechanical fasteners

Kudzivirira: Dzivisa kushanduka kwekushisa kamwe kamwe. Uko kuchovha bhasikoro kusingadzivisike, sarudza jira rine yakakwenenzverwa adhesion (yakafanira pamusoro pemabatirwo egirazi) uye dzivisa kupeta kwakapinza.

Mechanical Stress - Bend, Tension, uye Abrasion

PTFE-yakavharwa fiberglass yakasimba mukutsikirira asi isina simba mukukotama yakadzokororwa. Mechanical stress kazhinji ndiyo yechipiri inonyanya kutadza kukonzeresa mushure mekupisa zvakanyanya.

1. Kupeta kwakadzokororwa uye kucheka

Kunyangwe PTFE jira rinochinjika, iyo fiberglass substrate ine urombo flex kuramba. Kupeta nguva dzose kana zvigadziriso zvechigarire panzvimbo imwe chete zvicha:

• Kupwanya girazi fibers

• Kupwanya PTFE coating

• Gadzira zvisingadzoreki machena machena mavanga anokurumidza kupararira mumisodzi

Kudzivirirwa: Shandisa iyo yakakura inogoneka kubhenda radius. Pazvishandiso zvinoda kupetwa kakawanda (semuenzaniso, maketeni anofambiswa), funga nezvegiredhi rakatetepa kana jira rakasimbiswa rePTFE.

2. Simba rakawandisa

Kana ichishandiswa sebhandi rekutakura, kunyanya-tension kunokonzera:

• Fiber fatigue (girazi fibers zvishoma nezvishoma inoputika pasi pemutoro wakasimba)

• Coating deformation (kutambanudza uye kuonda)

• Kuderera zvishoma nezvishoma uye pakupedzisira kubvarura

Kudzivirira: Tevedzera zvakakurudzirwa nemugadziri wetension range. Kune maconveyor akareba, shandisa jira rine simba rakanyanya kusimba (semuenzaniso, rinorema rinorukwa kana jira rakakura).

3. Kuenderera mberi kukweshana uye abrasion

Kubata kwenguva refu kutsvedza nezvinhu zvakaoma kana hutsinye kunopfeka PTFE coating. Kana iyo yekupfekedza yaenda, iyo yakafumurwa fiberglass fiber inoparara uye inokundikana nekukurumidza.

Dziviriro: Pamaapplications ekutsvedza (semuenzaniso, njanji), shandisa giredhi rePTFE rakazadzwa rakanatsurudzwa kusamira kana wedzera tambo yekupfeka. Kugara kuchizora (chikafu-giredhi silicone mafuta) kunogonawo kuderedza kupokana.

Kemikari Nzvimbo - Haasi ese Makemikari Akachengeteka

PTFE ine mukurumbira inert, asi mamwe makemikari anoirwisa - kunyanya pakupisa kwakanyanya.

1. Maoxidants akasimba uye simbi dzinoshanda

Pakupisa kwakanyanya, kubata neinotevera kunoshatisa PTFE zvakananga:

• Yakanyungudutswa alkali simbi (sodium, potassium) - kuparadzwa zvachose

• Chlorine trifluoride, fluorine gasi - kuita zvechisimba

• Yakanyanya kusimba maasidhi akasimba - kukukurwa zvishoma nezvishoma patembiricha yakakwira

Kudzivirira: Dzivisa makemikari aya zvachose. Pazvishandiso zvinosanganisira maoxidizer ane hukasha, shandisa chinhu chakasiyana kana kuona kuti jira rePTFE hariburitswe zvakananga.

2. Silicon-ine zvinhu uye girizi kupinda

Kupinda kwenguva refu kwepamusoro-tembiricha yekupisa kupisa mafuta, silicone yekuburitsa maajenti, kana mafuta echikafu mumamicro-pores ejasi anogona kukonzera:

• Carbonization uye coking pasi pekuvhara

• Blistering uye delamination kana kupisa

Kudzivirira: Geza jira nguva nenguva masara asati awana nguva yekupinda. Kuti uwane mafuta anorema, sarudza denser (yepamusoro shinda kuverenga) substrate.

Kuchenesa uye Kubata - Machenesese Aunoita Zvinhu

Kucheneswa kusina kunaka chinhu chinowanzoitika, chinodziviririka chekutadza kukasika.

1. Kukwenya zvisaririra zvecarbonized

Chikafu chakaomeswa nekabhoni, chinonamira, inki, kana mamwe madhipoziti anowanzo kukweshwa nemafoshoro esimbi, simbi, kana mapedhi ekukwesha. Zvishandiso izvi zvinokwenya iyo PTFE coating . Kana ichinge yakweshwa, iyo isiri-tsvimbo pfuma inorasika, uye kusvibiswa kunonamira nyore nyore - kugadzira kutenderera kwakashata.

Nzira yakarurama: Shandisa zvimedu zvepurasitiki, spatulas, kana mabhurashi enylon akapfava. Pazvisaririra zvakasindimara, sora kana kuti chipfunga chipfave usati wapukuta.

2. Zvisina kunaka zvekuchenesa vamiririri

PTFE pachayo ikemikari inert, asi iyo inonamira layer (yematepi) kana iyo interface pakati pekupfeka uye substrate inogona kurwiswa. Kunyura kwenguva refu:

• Mishonga yakasimba (pendi inobvisa, acetone)

• High-pH detergents (bleach, caustic cleaners)

...inogona kupinda nemumapini uye kushaya simba kusungirirana pakati pejasi ne substrate.

Nzira yakarurama: Shandisa sipo yendishi yakapfava, mvura inodziya, kana mishonga yekuchenesa chikafu. Sukurudza zvakakwana.

Kuchengetedza uye Mamiriro Ezvakatipoteredza

Kunyangwe risiri kushandiswa, PTFE machira anogona kukanganisa kana akachengetwa zvisina kunaka.

1. Kuonekwa kweUV kwenguva refu

PTFE ine hunhu hwemamiriro ekunze kuramba, asi kuratidzwa kwenguva refu kune yakanyanya kunze UV ​​kunokonzeresa:

• Kuchembera kwepamusoro zvishoma nezvishoma

• Chalking (white powder pamusoro)

• Kuderedza simba rekusimba

Kudzivirira: Zvekushandisa zvekunze, sarudza UV-yakagadzikana mamakisi. Pamucheka wakachengetwa, chengeta munzvimbo ine rima, yakavharwa.

2. Kunyorova uye chakuvhe

Kana iyo yekuputira yakakuvadzwa, hunyoro hunopinda mukati meiyo fiberglass gap uye inoderedza fiber simba. Acid inogadzirwa nezvikafu zvakasara zvinoshatisa iyo bonding interface.

Kudzivirira: Chengetedza jira munzvimbo yakaoma. Chenesa usati wachengeta. Usasiye jira rakasviba rakapetwa kwemwedzi yakawanda.

3. Kuchengetedza kusina kunaka

• Kupeta kwenguva refu pasi pekumanikidzwa kunorema kunogadzira zvisingaperi creases (mapoinzi ekutadza nguva isati yakwana).

• Kuchengetedza pedyo nekupisa (pombi dzemvura, ovheni) kunokonzera kuchembera kwemafuta nguva isati yakwana.

Kuchengeta chaiko: Kukungurutsa jira pacore, chengeta wakamira kana zvichiita, munzvimbo inotonhorera (10-30°C), yakaoma (<60% RH), munzvimbo ine rima.

Kugadzira Hunhu - Iwe Unowana Zvaunobhadhara

Haasi ese machira ePTFE anogadzirwa zvakaenzana. Kusiyana kwehutano kunokanganisa hupenyu hwebasa zvakanyanya.

1. Coating ukobvu uye kufanana

Kusakwana kwekuvharisa ukobvu, mapiniko, mabhuru emhepo, kana kukanganisa kupinza uye sintering kunopfupikisa zvakanyanya hupenyu hwesevhisi. Zvigadzirwa zvemhando yepamusoro zvinoratidzira:

• Yakazara encapsulation yegirazi fibers

• Kubatana kwakasimba pakati pekuputira uye substrate

• Hapana pinholes kana voids

• Superior kuneta kuramba

2. Substrate mhando

Chimiro chekuruka, filament dhayamita, uye huremu hwejira refiberglass zvinotarisisa kuita kwayo kwemuchina. Micheka yakatetepa kana yakakura-mesh isingakodzeri mamiriro ekushanda inowanzosakara nekukurumidza.

Aokai PTFE inoshandisa premium fiberglass substrates ine optimized weave density uye yakazara PTFE kunyura. Isu tinopa tekinoroji data pane tensile simba, coating ukobvu, uye pinhole kuverenga.

Pfupiso - Maitiro ekukwirisa PTFE Fabric Service Hupenyu

Aokai PTFE inogadzira PTFE jira rinopisa repamusoro kusvika kumhando yepamusoro. Isu tinogona kukubatsira iwe kusarudza iro rakakodzera giredhi, ukobvu, uye kuruka kune yako application kuti uwedzere hupenyu hwesevhisi.

Mashoko ari pamusoro apa anopiwa ne Jiangsu Aokai New Materials Technology Co., Ltd.

Nekutsanangurwa, kutungamira kwekushandisa, uye zvigadziriso zvetsika zvePTFE machira ekupisa, matepi, mabhandi emesh, nezvimwe:

• VaGuo: +86 18944819998

• Mr. Liu: +86 13705266308

Isu tinoomerera kune hunyanzvi uye kutendeseka, tichiedza kupa imwe-stop mhinduro uye masevhisi ane hanya.