Fiberglass weave pattern – plain, twill, alo satin – kpɔa ŋusẽ ɖe PTFE ƒe avɔ si ƒe dzoxɔxɔ lolo ƒe nɔnɔmewo dzi vevie. Satin weave naa aɖatsi ƒe ŋusẽ si lolo wu (2-3x gbadzaa) kple asitɔtrɔ le nɔnɔmewo ŋu, si sɔ nyuie na ŋusẽ ƒe bɔbɔ. Gbeƒãɖeɖe gbadzaa naa didime nyuitɔ kekeake li ke kple peel adhesion, si sɔ na static dɔwɔwɔwo. Twill da sɔ le nunɔamesiwo katã me hena zazã le afisiafi.

PTFE fiberglass tape hiã dedienɔnɔ ŋuti ɖaseɖigbalẽ vevi etɔ̃: UL (elektrik kple dzo ƒe dedienɔnɔ), FDA (nuɖuɖu ƒe kadodo ƒe sedziwɔwɔ), kple ISO 9001:2015 (nyonyo dzi kpɔkpɔ). Kasɛt siwo ŋu woɖo kpee naa dɔwɔwɔ ɣesiaɣi, woƒe agbenɔƒe didi wu, eye ga si wozãna ɖe wo tɔ ta katã dzi ɖena kpɔtɔna togbɔ be ga si wozãna do ŋgɔ la lolo wu hã. Kpɔ ɖaseɖigbalẽwo dzi tẽ ɣesiaɣi kple dɔwɔƒe siwo naa ɖaseɖigbalẽwo.

PTFE conveyor belts (Teflon belts) na nuɖuɖu ŋuti dɔwɔwɔ ƒe kawo nyona ɖe edzi to viɖe vevi ene me: dɔwɔwɔ nyuie si me meléna o (eɖea gbeɖuɖɔ kple ƒoƒo dzi kpɔtɔna), dzoxɔxɔ ƒe mɔɖeɖe ɖe nu ŋu le mɔ gbadza nu (-100°C va ɖo 260°C na be woate ŋu aɖa nu wòazu tsikpe), dzadzɛnyenye bɔbɔe kple dɔlékuiwo ƒe tsitretsitsi (anyigba si me ʋuʋudedi mele o, si wɔ ɖeka kple FDA), kple dɔwɔwɔ ƒe gazazã dzi ɖeɖe kpɔtɔ (ŋusẽzazã si bɔbɔ ɖe anyi wu, alidziblanu ƒe agbenɔƒe didi). Esɔ na abolo siwo woɖa, nuɖuɖu siwo wofa tsikpe me, tsokolet, kple nusiwo léna ɖe nu ŋu.

Wozãa PTFE ƒe dzoxɔxɔ gã ƒe kasɛt le atikewɔwɔ ƒe akpa etɔ̃ me: dɔlékuiwutikewo takpɔkpɔ (autoclave trays, heat-seal packaging), dɔwɔnu ƒe anyigba dzi dɔdamɔnu (low-friction coating, electrical insulation), kple mɔ̃ siwo woate ŋu ade ame me (vascular grafts, sutures). Woto ISO 10993 dzi ɖo kpe nugbagbewo ƒe ɖekawɔwɔ dzi, eye FDA 21 CFR 177.1550 ɖo gɔmeɖoanyi nuwo ƒe dedienɔnɔ anyi.

Nu enee wotsɔ dea dzesi PTFE avɔ si ƒe dzoxɔxɔ lolo ƒe nutsyɔtsyɔ ƒe ɖekawɔwɔ: nutsyɔtsyɔ ƒe wɔwɔme (nusuewo ƒe lolome 0.15-0.35 μm, ʋeʋẽ, nu sesẽ siwo le eme), nutsyɔtsyɔ & sintering ƒe ɖoɖo (blade coating si wolɔ̃na hena ɖekawɔwɔ), substrate ƒe nyonyome (weave pattern, pre-treatment), kple ewɔwɔ ƒe nɔnɔme (20-25°C, <60% RH). Dip + blade ƒo ƒu ƒe dɔwɔwɔ daa asɔ le gege ɖe eme kple anyigba ƒe glidzaglidza.

PTFE ƒe anyigbadzidɔwɔwɔ na kadodo ƒe adhesion zãa mɔnu vevi eve: dzoxɔxɔ gã ƒe ʋeʋẽ (yame ƒe nɔnɔme ƒe tsitretsitsi si de ŋgɔ wu, 9.5 MPa ƒe ŋusẽ kple coupling agent, gake eɖea aɖiyawo ɖe go) kple sodium-naphthalene etching (5 MPa enumake adhesion, gaƒoƒo 24-48 ƒe fesre kpui, gbeɖuɖɔ si me afɔku le). Tiae le nutomedzikpɔkpɔ kple ɣeyiɣi didi ƒe dɔwɔwɔ tsɔtsɔ sɔ kple ɣeyiɣi kpui ƒe dɔwɔwɔ nu.

Dzadzɛnyenye kple beléle nɛ nyuie didia PTFE avɔ si me dzoxɔxɔ le ŋutɔ ƒe agbenɔƒe ɖe edzi. Klɔe le eŋudɔwɔwɔ vɔ megbe kple le fafa vɔ megbe. Zã brɔs falɛfalɛwo, atike siwo mewɔa akpa aɖeke o, alo aha sesẽ hena ɖiƒoƒo. Mègazã acid/alkali sesẽwo, bleach, alo ga tsɔtsrɔ̃ gbeɖe o. Silicone-mi sisi edziedzi ɖea eƒe vuvu dzi kpɔtɔna. Wɔ ɖe mɔfiame siawo dzi be nàxe mɔ ɖe nusiwo wotsɔ blae nu.

PTFE ƒe dzoxɔxɔ gã ƒe tape mete ŋu nɔa te ɖe keklẽŋusẽ si nye ionizing radiation nu nyuie o. Le gamma 1 kGy ko me la, tensile ŋusẽ ɖiɖina va ɖoa ~25% le gbãtɔ me. Esɔ na nuto siwo me womezãa atike suewo le o (nuɖuɖu/atikewɔwɔ me vidzidzi <10 kGy) ko. Le nuklia dɔwɔƒewo alo yamenutomeyimɔ̃wo gome la, zã polyimide alo PEEK ɖe eteƒe.

PTFE emulsion ƒe nyonyome dodokpɔ lɔ nu vevi ade ɖe eme: nu sesẽ siwo le eme (60±2% le T/FSI ɖesiaɖe me 067-2021), pH (9.0-11.0), nusuewo ƒe lolome mama (laser diffraction/DLS), eƒe ʋeʋẽ (12-30 mPa·s le 25°C), eƒe liƒo (centrifugal, dzoxɔxɔ, tsikpe-tsikpe), kple eƒe dzedzeme. Mɔfiame sia ƒo nu tso dodokpɔmɔnu siwo wozãna ɖaa ŋu na parameter ɖesiaɖe.

Le PTFE ƒe dzoxɔxɔ gã ƒe kasɛtwo gome le nyɔnyrɔ ɖe tsi me ɣeyiɣi didi me la, PTFE ƒe gɔmeɖoanyia gakpɔtɔ nyea atike si mewɔa dɔ o, gake nusi léna ɖe nu ŋu lae nye nusi gbɔdzɔ. Tsi gbɔdzɔa silicone PSA; dzetsi naa xɔxlɔ̃ kabakaba. Le atike sesẽwo gome la, fluorosilicone alo perfluoropolyether adhesives – alo PTFE tape si me adhesive mele o – hiã. Peel ƒe ŋusẽ bu va ɖo 40% le gaƒoƒo 48 le tsi me megbe.