Jiangsu Aokai Cov Khoom Tshiab, cov chaw tsim khoom ntawm PTFE thiab fluoroplastic cov khoom, qhia txog cov txheej txheem xaiv ntawm PTFE high-temperature tape rau demolding thiab anti-stick scenarios ntawm cov khoom siv txhaj tshuaj molding.
I. Temperature-based Selection: Tsom ntsoov rau Kev Tiv Thaiv Kub ntawm Adhesive Layer thiab Substrate PTFE daim kab xev muaj ob ntu: substrate (feem ntau fiberglass ntaub coated nrog PTFE) thiab thaub qab nplaum. Cov txheej nplaum feem ntau yog qhov kev ua haujlwm tsis zoo.
1. Kev khiav hauj lwm kub tsis tu ncua ≤ 260 ° C (General plastics & ib nrab engineering plastics) Cov ntaub ntawv siv tau: PE, PP, PS, ABS, mos PVC, EVA, nrog rau PA, PBT thiab lwm yam ntaub ntawv ua tiav ntawm qhov kub thiab txias. Pom zoo xaiv: Standard fiberglass-reinforced PTFE daim kab xev nrog silicone siab-rhiab nplaum nplaum (PSA). Pom zoo thickness: 0.13 hli los yog 0.18 hli, sib npaug conformability thiab kev pab cuam durability. Cov ntsiab lus tseem ceeb: Qhov no yog qhov ua haujlwm zoo tshaj plaws rau PTFE daim kab xev, muaj cov tshuaj lom neeg ruaj khov thiab tso tawm kev ua haujlwm zoo.
2. Kev khiav hauj lwm kub 260 ° C ~ 300 ° C (High-temperature engineering plastics) Cov ntaub ntawv siv tau: PC, PA66, POM, PET, high-temperature PPA, hloov PPO thiab lwm yam kub txhaj tshuaj pwm. Pom zoo xaiv: Fiberglass PTFE daim kab xev formulated nrog high-temperature resistant silicone nplaum. Ordinary silicone nplaum yuav muaj hnub nyoog sai, poob tackiness thiab tawm cov seem nyob rau hauv qhov kub thiab txias. Pom zoo thickness: 0.18 hli los yog 0.25 hli. Thicker nplaum thiab substrate txheej muab zoo thermal buffering thiab hnav tsis kam. Kev pom zoo tseem ceeb: Qhia cov nplaum nplaum nrog lub sij hawm ntev ntawm qhov kub thiab txias siab tshaj 280 ° C rau cov neeg muag khoom, thiab xyuas seb cov nplaum puas yuav paug pwm hauv qhov kub kub.
3. Instant ncov kub 300 ° C ~ 400 ° C (Tshwj xeeb high-temperature plastics los yog cov chaw kub hauv zos) Cov ntaub ntawv siv tau: PEEK, LCP, PPS, PEI, feem ntau pom nyob ze ntawm qhov kub khiav nozzles thiab ib nrab extrusion tuag hau. Kev ceeb toom xaiv: Tsis muaj kev ntseeg siab-rhiab nplaum nplaum tuaj yeem tiv taus qhov ntsuas kub no. Txhua daim nplaum-rov qab PTFE daim kab xev yuav ua tsis tiav, carbonize thiab paug cov khoom tiav. Lwm txoj kev daws teeb meem:
1. Adhesive-free PTFE fiberglass npuag, mechanically tsau ntawm pwm clamping thav duab, strips los yog kub-kub structural adhesives (tsis-siab-rhiab nplaum nplaum xws li silicone sealants).
2. Fusible tag nrho fluorinated PFA zaj duab xis daim kab xev, txuas rau pwm nto ntawm cov cua kub vuam. Nws withstands nruam 260 ° C thiab lub sij hawm luv luv 300 ° C raug, tseem tsis tuaj yeem hloov tau yooj yim xws li daim kab xev rau tus kheej. Optimized lwm lub tswv yim: Rau xws li high-temperature mob, pwm PTFE txheej los yog nano ceramic high-temperature resistant txheej yog pom zoo.
II. Cov khoom siv raws li kev xaiv: Match Wear Resistance, Corrosion Resistance thiab Release Requirements Lub cev thiab tshuaj lom neeg cov khoom ntawm cov yas molten txiav txim siab qhov yuav tsum tau ua haujlwm ntawm qhov chaw thiab lub zog ntawm cov kab xev.
1. Cov khoom siv tacky / pwm-nrawm Cov ntaub ntawv sawv cev: EVA, kub yaj nplaum, TPE, TPU, qee yam hloov kho PP qib. Kev xaiv cov ntsiab lus tseem ceeb: Xaiv cov kab xev tso tawm siab nrog cov ntsiab lus PTFE siab thiab tuab txheej. Ua ntej tshaj PTFE zaj duab xis daim kab xev (tsis muaj fiberglass reinforcement, tsis tshua muaj zog tensile, tsuas yog haum rau cov chaw uas tsis tshua muaj kev ntxhov siab) los yog premium full-impregnated fiberglass PTFE daim kab xev. Nto ze ze rau cov ntshiab PTFE xa superior anti-stick kev ua tau zoo.
2. Cov iav fiber ntau / ntxhia ntim cov khoom siv ntxiv Cov ntaub ntawv sawv cev: iav fiber reinforced PA, PP, PBT, calcium carbonate puv PP. Hnav cov txheej txheem: ntws yaj ua zoo li cov ntaub ntawv xuab zeb, sai abrading zoo tib yam PTFE txheej; fiberglass substrate yuav ua rau adhesion tsis xws luag. Xaiv cov ntsiab lus tseem ceeb:
1. Thickness tseem ceeb: Xaiv cov ntaub nplaum hnyav hnyav ntawm 0.25 hli lossis tuab dua.
2. Structural reinforcement: Xaiv cov khoom uas muaj ntau txheej PTFE txheej los yog kev kho deg hardening es tsis txhob ntawm ib txheej nyias.
3. Hloov cov tswv yim: Kho daim kab xev raws li cov khoom siv tsis tu ncua rau kev ua haujlwm zoo li no, thiab teeb tsa kev tshuaj xyuas ib ntus thiab hloov lub voj voog es tsis txhob nrhiav kev pabcuam mus tas li.
3. Cov ntaub ntawv uas muaj corrosive lossis precipitating additives Cov ntaub ntawv sawv cev: Hard PVC (tso HCl), nplaim retardant tebchaw (brominated, phosphorus-raws li nplaim retardant nag los nag), fluorinated ua pab. Hom kev ua tsis tiav: Precipitates erode cov nplaum txheej los yog nkag mus rau hauv lub substrate, ua rau daim kab xev blistering thiab delamination.
1. Tshuaj tiv thaiv ntawm cov nplaum: Paub meej tias silicone nplaum muaj txaus inertness tiv thaiv tsis muaj zog acids, plasticizers thiab lwm yam precipitates.
2. Dense substrate: Select tape with tightly woven fiberglass and fully sealed PTFE impregnation to prevent gas/liquid penetration that damages the backing adhesive.
3. Venting optimization: Muab cov pwm lub tshuab nqus tsev rho tawm lossis ntxiv qhov cua grooves yog tias tsim nyog los txo cov tsub zuj zuj ntawm precipitates ntawm daim kab xev los ntawm qhov chaw.
4. Cov ntaub ntawv zoo li qub Tej yam xwm txheej: Cov khoom siv hluav taws xob tiv thaiv kev txhaj tshuaj molding, high-flow PP zaj duab xis extrusion. Pom zoo xaiv: Anti-static PTFE daim kab xev (dub PTFE daim kab xev coated nrog conductive carbon dub los yog tshwj xeeb anti-static txheej) kom tsis txhob muaj plua plav adsorption thiab electrostatic paug txaus ntshai.
III. Kev hloov kho raws li cov khoom siv thiab daim ntawv thov scenarios 1. Txhaj pwm demolding Kab noj hniav, sliders thiab lifters: daim kab xev yog feem ntau siv rau pwm-nplaum qhov chaw. Nyias 0.13 mm daim kab xev nrog zoo extensibility yog yuav tsum tau kom haum complex nkhaus nto. Tsis txhob ejector pins thiab vent slots; ce ceev faj rau precision qhov chaw raws li daim kab xev thickness yuav hloov cov khoom seem tolerances. Kub khiav daim hlau thiab cov lus qhia nozzle: Kub kub heev siv ntawm no; tsuas yog mechanically tsau nplaum-dawb PTFE daim ntaub tuaj yeem siv los tiv thaiv flash adhesion. Self-adhesive daim kab xev yog nruj me ntsis txwv tsis pub.
2. Extruders thiab cov khoom siv downstream Extrusion tuag daim di ncauj / qhov hluav taws xob: Tiv thaiv cov khoom tawg thiab stringing ntawm qhov chaw nres nkoj tawm. Xaiv ultra-nyias (0.08 mm–0.13 mm) siab-tso daim kab xev kom tsis txhob hloov pauv qhov ntev ntawm qhov chaw. qhwv daim kab xev los ntawm pem hauv ntej mus rau qhov kawg lub ntsej muag ntawm lub qhov hluav taws xob kom txo tau yaj nkag mus rau hauv cov pob qij txha. Pelletizer template: ncaj qha mus rau kub-kub yaj thiab iav fiber ntau abrasion. Hnyav-duty daim kab xev ntawm 0.25 hli los yog siab dua yog yuav tsum tau, thiab tswj raws li ib txwm consumable. Cam khwb cia zaj duab xis yob / traction xovxwm yob: Anti-stick thiab yooj yim los ntxuav. Silicone-backed PTFE daim kab xev tuaj yeem qhwv ib ncig ntawm cov menyuam, lossis lub tes tsho tsis muaj PTFE fiberglass tuaj yeem siv tau. Xyuas kom tseeb tias daim kab xev qhov ntsuas kub tsis sib haum rau cov menyuam qhov kub thiab txias yog tias muaj cua sov cuam tshuam.
Cov ntsiab lus technical saum toj no yog muab los ntawm Jiangsu Aokai Tshiab Materials Technology Co., Ltd.
Yog tias koj xav tau cov ncauj lus kom ntxaws, daim ntawv thov scenarios thiab cov kev daws teeb meem rau peb cov khoom lag luam tag nrho suav nrog PTFE high-temperature daim ntaub, PTFE high-temperature adhesive tape, PTFE high-temperature mesh belt, seamless heat press belt, single-sided PTFE fabric, high-temperature resistant conveyor belt, PTFE high-temperature mesh belt, seamless heat press belt, single-sided PTFE npuag, high-temperature resistant conveyor belt:
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