PTFE ntama a wɔde to paanoo a ɛyɛ hyew kɛse no de mfaso atitiriw anan ma: adwumayɛ a ɛnyɛ nea ɛbata ho (ɛho nhia ngo anaa esiam, paanoo a ɛyɛ mmerɛw no gyae ma ɛho tew), ɔhyew a ɛtrɛw (-70°C kosi 260°C, ahobammɔ ma fononoo kɔ frigye mu), wotumi san de di dwuma bio (kyinhyia mpempem pii, ɛnyɛ den sɛ wobɛhohoro), ne ɔhyew a ɛkɔ mpo (ɛsiw ɔhyew ano, browning a ɛkari pɛ). Aduan-grade FDA compliant, wɔtra hɔ kyɛ sen parchment krataa na wɔyɛ adwuma sen silicone mats a ɔhyew a ɛkɔ yiye na ɛyɛ fɛ ne soro texture.

PTFE ntama a ɛyɛ hyew kɛse ho hia wɔ ntade a wɔde hyɛ ntam adwuma mu. Nneɛma atitiriw a wɔde di dwuma: conveyor belts a enni awiei a wɔde kɔ so fusing mfiri (ɛsiw ɔhyew a ɛyɛ hyew adhesive a ɛbata ho, wrinkle-free conveying), non-stick cover ne padding ntama ma flat heat press (ɛbɔ platens ho ban fi adhesive efĩ ho), conveyor belts ma dot paste/powder coating lines (ɛkura adhesive dots a enni dɛm bere a ɛyow/sintering), ne dade mpaboa kataso a wɔde yɛ nhwɛsode a wɔde mia. Ne kɛse fi 0.13mm (hare padding) kosi 0.55mm (heavy-duty conveyor belts).

Wɔnam akwan titiriw abien so nya anti-static PTFE ntama: coating doping (frafra conductive fillers te sɛ carbon black mu PTFE emulsion, yɛ percolation network wɔ critical concentration) ne substrate weaving (embedding conductive fibers wɔ fiberglass ntama mu). Wɔhwɛ soro resistivity so wɔ 105–109 Ω. Nnyinasosɛm no: yɛ ɔkwan a ɛma nsu fa mu a ɛma static charges no kɔ ntɛm ara, na esiw asiane a ɛbɛboaboa ano ano. Grounding yɛ ahyɛde na ama woatumi ayɛ adwuma yiye.

PTFE ntama a ɛyɛ hyew kɛse (PTFE-coated fiberglass) ma nnuru a ɛyɛ soronko a ɛko tia, egyina acid a wɔahyɛ no den (a aqua regia ka ho), alkalis a ano yɛ den (wɔ dan mu hyew mu), organic solvents, ne oxidizing agents ano. Nea ɛka ho: alkali dade a ayɛ hyew ne halogen nnuru a ɛyɛ hyew kɛse tow hyɛ PTFE so. Nneɛma a wɔde kata so a ɛsɛe no ma fiberglass nya hydrofluoric acid ne alkali a ɛyɛ hyew a wɔahyɛ no den. Ɔhyew a ɛboro 260°C ma ahoɔden a ɛko tia no so tew. Wɔ nnuru a atwa yɛn ho ahyia dodow no ara fam no, PTFE ntama da so ara yɛ nea ɛyɛ den yiye na wotumi de ho to so.

Drying yɛ anammɔn titiriw wɔ PTFE ntama a ɛyɛ hyew kɛse a wɔyɛ mu. Mfomso ahorow a ɛtaa ba ne: mpaapaemu (ɛwo ntɛmntɛm dodo, ɛho honam ani honam ani hwɛbea), ade a wɔde kata so no tu (nsu nketenkete no kɔ soro, emu nkitahodi yɛ mmerɛw), pinholes/blisters (mframa anaa nsu a ɛyɛ hyew a wɔakyere), nsensanee fitaa ne chalking (surfactant migration anaasɛ fusion a enni mũ), yellowing/coking (additives a ɛyɛ hyew dodo), delamination (shrinkage stress exciceeds adhesion), orange peel (ɛnyɛ pɛpɛɛpɛ), warpage (a ɛnyɛ pɛpɛɛpɛ shrinkage), soro dry nanso emu nsuo (honam ani afiri afiri nsuo), ne anoano a ɛyɛ den (coffe-ring effect). Ano aduru no fa drying profiles a wɔahyɛ so, mframa a ɛfata, ne substrate pretreatment ho.

PTFE emulsion impregnation of fiberglass ntama hwehwɛ aboafo ahorow na ama wɔanya biako coating, adhesion a emu yɛ den, ne sintɔ-free surfaces. Nneɛma atitiriw a wɔde ka ho ne: nneɛma a ɛma nsuo (ɛtew ɔfasuo so nhyɛsoɔ so, ɛma nsuo a ɛkɔ mu no tu mpɔn), nneɛma a ɛma ɛyɛ den (ɛhwɛ viscosity ne coating weight so), pH regulators (ɛma emulsion no gyina pH 9-10), silane coupling agents (ɛma ahwehwɛ a ɛbata ho no yɛ kɛseɛ), film-forming aids (PFA/FEP ma sintering), functional fillers (wear resistance, conductivity), defoamers (siw ano pinholes), ne humectants (a ɛyow brɛoo). Paw gyina substrate ne adwumayɛ ahwehwɛde so.

Fiberglass ntama a wɔatrɛw mu (ntama a wɔde asaawa ayɛ a ɛyɛ kɛse) yɛ soronko koraa wɔ ntama a wɔde fiberglass ayɛ a wɔtaa de di dwuma ho wɔ asaawa nhyehyɛe mu. Ɛdenam mframa a ano yɛ den a wɔde yɛ adwuma so no, wɔtetew ahwehwɛ nhama a ɛkɔ so no mu, twitwiw, na wɔde hyɛ asaawa a ɛyɛ kɛse te sɛ kotoku mu. Eyi ma ntama a ɛyɛ den, ɛyɛ mmerɛw a ɛwɔ ɔhyew a ɛkorɔn (mframa a wɔakyekyere no), ɛyɛ nea ɛne ne ho hyia yiye, ɛyɛ filtration efficiency a ɛkorɔn, ne tear/flex resistance a ɛkɔ anim – a ɛho ka yɛ den a ɛba fam kakra. Wɔde yɛ gasket a ɛyɛ hyew kɛse, paipu wraps, filter bags, ne oven seals.

Raw material ahotew ne fapem a PTFE a ɛkorɔn-ɔhyew ntama adwumayɛ. PTFE emulsion a ɛho tew kɛse (dade ions biara nni hɔ, nkae a emu duru sua biara nni mu) hwɛ hu sɛ ɔhyew a ɛko tia (ɛnyɛ kɔkɔɔ a ɛkɔ soro kodu 260°C), ɛnyɛ nea ɛbata ho a ɛyɛ den, na dielectric ahoɔden a ɛkorɔn. Wɔ fiberglass ho no, E-glass a alkali nnim (Na2O <0.8%) kura ahoɔden ne nea ɛbɔ ho ban wɔ ɔhyew a ɛkɔ soro mu; medium/high-alkali glass ma nneɛma sɛe. Sɛ woyi nneɛma a wɔde nwene kɛse fi hɔ koraa a, esiw carbonization ne delamination ano. Ahotew ka ɔsom nkwa, aduan-grade a wodi so, ne anyinam ahoɔden ahotoso so nkɛntɛnso tẽẽ.

Fiberglass ntama a wɔde di kan ma ɛyow yiye no ho hia kɛse ma PTFE a wɔde kata so akyiri yi, resin a wɔde bɛhyɛ mu, anaa lamination. Ayaresa atitiriw abiɛsa: nsu a woyi fi hɔ wɔ 105-120°C (simma 10-30 a egyina emu duru so), dewaxing/thermal cleaning wɔ 300-450°C (LOI <0.1%, kwati>500°C), ne preheating wɔ 60-100°C ansa na wɔde akata so. Di fononoo mu hyew a ɛyɛ pɛ (±5°C) so, hyɛ sɛ wɔma nsu fi mu, na bɔ ntama a wɔde silane ayɛ ho ban wɔ 110°C ase. Fa ntama a ayow sie nkotoku a wɔatoto mu anaa adan a ɛyɛ nwunu (<30°C, <40% RH).

Ɛkame ayɛ sɛ PTFE ntama a ɛyɛ hyew kɛse (PTFE-coated fiberglass) yɛ nea nnuru ntumi nyɛ adwuma, nanso nneɛma bi ma nsɛe wɔ tebea pɔtee bi mu. PTFE ntua tẽẽ ba wɔ alkali dade a wɔanwene (sodium, potassium), nneɛma a ɛyɛ den a ɛma fluorinating (F2, ClF3) wɔ ɔhyew a ɛkorɔn mu, ne alkali a ano yɛ den a wɔanwene a ɛboro 300°C so. Nsɛe a ɛnteɛ ba bere a hydrofluoric acid (HF), alkalis a ɛyɛ hyew a wɔahyɛ no den, anaa phosphoric acid a ɛyɛ hyew hyɛn nneɛma a wɔde kata so no mu sintɔ ahorow mu na ɛtow hyɛ fiberglass substrate no so no. Sɛ wopɛ nnuru a ɛtra so a, fa PTFE sini a ɛho tew a fiberglass nni mu di dwuma.