Txias tus nqi cuam tshuam ntawm PTFE daim kab xev

Raws li ib tug thawj chaw tsim tshuaj paus ntawm PTFE high-temperature tapes, Jiangsu Aokai Cov ntaub ntawv tshiab no piav qhia txog qhov cuam tshuam ntawm cov txheej txheem cua txias thiab cov cua txias ntawm qhov kev ua tau zoo ntawm PTFE high-temperature tapes.

I. Qhov tseem ceeb ntawm PTFE Crystallization yam ntxwv thiab kev tswj tus nqi cua txias

Lub PTFE substrate ntawm kho high-temperature daim kab xev belongs rau semi-crystalline polymer, uas undergoes sai crystallization thaum txias tom qab sintering. Qhov tseem ceeb, tus nqi cua txias yog cov txheej txheem tseem ceeb los tswj cov crystallinity ntawm PTFE high-temperature daim kab xev: qeeb txias ua rau ntau dua crystallinity, thaum txias sai ua rau qis crystallinity.

II. Cov teebmeem ntawm Slow Cooling ntawm PTFE High-temperature Tapes

Kev cuam tshuam ntawm Internal Stress  Slow txias tuaj yeem txo cov thermal stress nyob rau hauv daim kab xev. Thaum cov kab xev txias txias nyob rau hauv lub cub tawg, PTFE matrix thiab iav fiber skeleton muaj sijhawm txaus los kho qhov sib txawv ntawm qhov sib txawv los ntawm molecular saw so, tsis txhob muaj kev ntxhov siab hauv zos.

Txoj kev siv dav dav yog kom txias daim kab xev ib txwm nyob hauv qhov cub rau 150-200 ℃ ua ntej muab nws tawm rau cua txias. Cov txheej txheem txias qeeb no txo ​​qis kev ntxhov siab sab hauv kom zoo thiab tiv thaiv txheej txheej delamination thiab tawg.

Influence ntawm Dimensional Stability  Slow txias zoo heev txhim kho qhov seem stability. Thaum lub sij hawm qeeb qeeb, PTFE molecular chains npaj rau hauv cov siv lead ua lattices tsis tu ncua, tsim cov crystallinity siab thiab zoo-tsim siv lead ua nplej, uas ua kom ruaj khov kawg qhov ntev.

Me ntsis thermal shrinkage yuav tshwm sim nyob rau hauv qhov kub thiab txias hauv kev siv tiag tiag, yog li nws raug pom zoo kom khaws cia 1% -2% npoo thaum siv. Kev ua kom txias qeeb ua rau cov shrinkage khov kho nrog tsawg kawg deformation.

Kev cuam tshuam ntawm Adhesive Performance  Slow cooling exerts dual effects on adhesion property. Ntawm ib sab, nws tso cai rau cov nplaum nplaum ua kom tiav kev sib txuas thiab kev ntxhov siab so kom txaus, tswj kev ruaj khov kev sib raug zoo. Ntawm qhov tod tes, ntau dua crystallinity nce rigidity ntawm PTFE substrate, ua rau muaj kev ntxhov siab ntawm kev sib txuas lus hauv qab tev tawm quab yuam.

III. Qhov cuam tshuam ntawm Kev Ua Txias Ceev ntawm PTFE High-temperature Tapes

     Influence on Internal Stress  Kev txias txias yog qhov ua rau muaj kev ntxhov siab ntau dhau. Direct quenching tom qab sintering tsim qhov kub thiab txias sib txawv ntawm PTFE matrix thiab iav fiber ntau lub hauv paus, tsim kom muaj kev ntxhov siab sai sai thiab yooj yim tsim cov kab nrib pleb.

Cov txheej txheej saum npoo shrinks thiab hardens sai heev thaum cov txheej sab hauv tseem nthuav dav, ua rau lub zog thermal stress ntawm sab nraud thiab sab hauv compression, uas ncaj qha ua rau daim kab xev tawg.

Kev cuam tshuam ntawm Dimensional Stability  Rapid txias hloov cov crystallization ncov kom qis kub thiab txo cov crystallinity nrog cov qauv siv lead ua tsis tiav. Daim kab xev nyob twj ywm nyob rau hauv ib qho unbalanced khov lub xeev tom qab quenching. Secondary crystallization thiab post-shrinkage tej zaum yuav tshwm sim nyob rau hauv lub tom ntej no kub hloov, ua rau gradual dimensional sib txawv.

Kev cuam tshuam ntawm Adhesive Performance  Fast txias inhibits tag nrho kev sib txuas ntawm cov nplaum nplaum. Cov nplaum nplaum yog khov ua ntej ua tiav kev sib txuas sib txuas, ua rau muaj kev sib txuas ntawm lub zog thiab qhov kub thiab txias.

Nyob rau hauv rov qab txias thiab kub caij tsheb kauj vab, thermal expansion qhov sib txawv ntawm PTFE substrate thiab nplaum txheej ua rau muaj kev ntxhov siab cuam tshuam, ua kom cov nplaum nplaum nplaum nplaum nplaum nplaum, thiab ua kom tsis muaj zog viscosity durability.

IV. Kev sib piv ntawm cov txheej txheem txias sib txawv

 

Feem ntau, kev ua kom txias qeeb thiab tsis sib xws yog lub hauv paus ntsiab lus rau kev kho tom qab kho ntawm PTFE high-temperature tapes. Nws raug nquahu kom siv rau hauv lub cub tawg ntuj txias tom qab sintering, thiab tshem tawm cov kab xev rau cua txias rau hauv chav tsev kub tom qab kub poob qis dua 150-200 ℃. Kev tsis sib xws thaum lub sij hawm tsim khoom yuav ua rau slackness thiab thaum kawg ua rau cov khoom tsis zoo.

Cov ntsiab lus saum toj no yog muab los ntawm Jiangsu Aokai Tshiab Materials Technology Co., Ltd.

Yog tias koj xav paub cov ncauj lus kom ntxaws, daim ntawv thov scenarios thiab cov kev daws teeb meem ntawm peb cov khoom lag luam suav nrog PTFE high-temperature daim ntaub, PTFE high-temperature tape, PTFE high-temperature mesh belt, seamless fusing machine belt, single-sided PTFE fabric, high temperature resistant conveyor belt thiab high temperature resistant, please contact us.

·  Mr. Guo: +86 18944819998

·  Mr. Liu: +86 13705266308

Peb ib txwm txhawb nqa qhov kev pabcuam ntawm kev tshaj lij thiab kev ncaj ncees, thiab tag nrho lub siab dawb paug muab kev daws teeb meem rau ib leeg thiab kev pabcuam rau koj.