PTFE ga-otutu fabric aye iṣẹ yatọ bosipo nipa ohun elo. Kemikali egboogi-ipata ikan le ṣiṣe ni 3+ years (4x gun ju roba). Awọn atẹ ti o yan ounjẹ ni awọn oṣu to kọja pẹlu ibajẹ kekere. Awọn beliti conveyor ile-iṣẹ wọ lati ija edekoyede. PV lamination (150 ° C, olubasọrọ Eva) ni igbesi aye iwọntunwọnsi. Awọn ohun elo ikọlura (awọn disiki abrasive) ni igbesi aye kukuru. Awọn ifosiwewe bọtini: iṣakoso iwọn otutu (duro ≤260°C), yago fun didan didan, mimọ nigbagbogbo, ati rirọpo akoko nigba roro tabi ofeefee.

PTFE ga-otutu fabric jẹ idurosinsin to 300 ° C, sugbon ni a ina o decomposes ati ki o tu gíga oloro gaasi: hydrogen fluoride (HF) (corrosive, ẹdọforo edema) ati perfluoroisobutylene (PFIB) (colorless, odorless, ~ 10x diẹ majele ti phosgene, ko si antidote). Paapaa monoxide erogba, awọn iṣẹku PFOA, ati awọn dioxins itọpa. Awọn iboju iparada ẹfin deede ko ni doko; lo ohun elo mimi ti ara ẹni (SCBA). Awọn aami aisan le jẹ idaduro.

PTFE ga-otutu fabric (PTFE-coated fiberglass) jẹ apẹrẹ fun alapapo makirowefu nitori pe o ntan microwaves laisi gbigba agbara, koju 260 ° C, ati pe o ni aaye ti kii ṣe igi. Awọn ohun elo pẹlu awọn maati ti o yan makirowefu, awọn beliti gbigbe ẹrọ gbigbẹ ile-iṣẹ, awọn ohun elo riakito fun tito nkan lẹsẹsẹ kemikali, ati awọn laini apo guguru microwave. FDA onipò wa fun ounje olubasọrọ.

PTFE ga-otutu fabric (PTFE-ti a bo gilaasi) ni o ni ko dara Flex resistance nitori awọn fiberglass sobusitireti jẹ inherently brittle. Awọn aṣọ tinrin (0.08mm) ye awọn ọgọọgọrun si ẹgbẹẹgbẹrun awọn ipada; eru onipò (> 0.25mm) kiraki lẹhin dosinni. Satin weave ṣe ju weave pẹtẹlẹ lọ. Fun titẹ atunṣe atunṣe lemọlemọfún, ronu fiimu PTFE ti o lagbara tabi aṣọ ti o da lori aramid dipo.

PTFE ti o ni iwọn otutu ti o ga julọ (figilaasi ti a bo PTFE) ni lilo pupọ ni titẹ sita aṣọ ati awọ fun awọn beliti gbigbe gbigbe ooru (180-230 ° C), awọn ideri tabili titẹ iboju, awọn beliti mesh gbigbẹ, awọn beliti ẹrọ fifẹ, ati fifẹ rola. Ilẹ ti kii ṣe igi ṣe idilọwọ inki / aloku alemora, idinku akoko isinmi mimọ ati imudarasi didara aṣọ. Awọn igbanu ailopin ti ko ni ailopin jẹ ki iṣelọpọ tẹsiwaju.

Aṣọ iwọn otutu giga PTFE (figilaasi ti a bo PTFE) jẹ media àlẹmọ Ere fun awọn ipo to gaju: yiyọ eruku gaasi eefin (simenti, isunmi egbin, awọn igbomikana eedu titi di 260 ° C), isọ omi ibajẹ (acids, alkalis, epo), ounjẹ / ile elegbogi isọdi alaabo, ati Asẹ mimọ HEPA. Ilẹ ti kii ṣe igi ṣe idilọwọ eruku eruku ati gba laaye mimọ. Membrane-laminated grades se aseyori olekenka-kekere itujade.

Aṣọ iwọn otutu giga PTFE n ṣetọju idabobo itanna to dara julọ lati -180 ° C si 260 ° C: resistivity iwọn didun> 10¹³ Ω · cm ni 200 ° C, iduroṣinṣin dielectric nigbagbogbo ni 2.0-2.1. Loke 260°C, PTFE rọra, jẹjẹ loke 327°C, padanu idabobo patapata. Ni isalẹ 0°C, idabobo dara si ṣugbọn bo di brittle. Duro laarin 260 ° C fun iṣẹ ti o gbẹkẹle.

PTFE ga-otutu fabric (PTFE-coated fiberglass) jẹ apẹrẹ fun ounje conveyor beliti nitori awọn oniwe-260 ° C ooru resistance, -70 ° C tutu ni irọrun, ti kii-stick dada, ati FDA ibamu. Awọn ohun elo pataki: awọn adiro ibi-akara (biscuits, akara, pizza), awọn gbigbe ounjẹ sisun, awọn laini itutu suwiti, awọn eefin didi, awọn olutọpa ooru, ati murasilẹ rola. Din egbin ati ninu akoko.

Awọn aṣoju ipari dada ti a lo si aṣọ gilaasi ṣaaju ki ibora PTFE ṣe pataki fun iṣẹ ṣiṣe asọ iwọn otutu giga PTFE ikẹhin. Awọn aṣoju idapọmọra Organosilane ṣẹda awọn afara molikula laarin okun gilasi inorganic ati Organic PTFE, igbelaruge agbara peeli lati <2 N/cm si 4-8+ N/cm. Itọju to dara tun ṣe alekun resistance ooru (260°C+), iṣẹ dielectric, ati resistance kemikali. Aṣọ ti ko ni itọju nyorisi delamination, bubbling, ati igbesi aye iṣẹ kukuru.

Calendering – titẹ PTFE-ti a bo fabric laarin kikan digi rollers ni 360-380 ° C – bosipo paarọ dada mofoloji, Tu-ini, impermeability, ati darí iṣẹ. O dinku roughness lati Ra 0.5-1.0 μm si <0.05 μm, edidi awọn pinholes, ṣe ilọsiwaju resistance resistance, ṣugbọn dinku agbara omije ati irọrun. Pataki fun awọn laini idasilẹ ati idabobo itanna.