Sɛnea Fiberglass Ɔhyew Shrinkage Ka PTFE Tape Dimensional Stability

BI PTFE teapɔn a ɛtwetwe, ɛyɛ kurukuruwa, anaa ɛkyinkyin bere a wɔde di dwuma no yɛ afuw mu huammɔdi a ɛtaa ba. Mpɛn pii no, nea ɛde ba no ntini fi ade biako so: ɔhyew a ɛtwetwe fiberglass substrate no.

Bere a PTFE sintering wɔ 360-400°C ne adhesive curing wɔ 150-200°C, the fiberglass ntama kɔ ɔhyew mu ntrɛwmu mu na nea ɛho hia kɛse no, ɛtwetwe a wontumi nsakra esiane nhyɛso a aka wɔ nwene mu nti. Sɛ wɔannyi saa adwennwen yi amfi hɔ ansa na wɔde akata so a, ɛbɛyɛ sintɔ a ahintaw – ɛma teyp no twetwe, twitwiw, anaasɛ ɛpaapae bere a wɔayɛ no hyew no.

Aokai PTFE de fiberglass substrates a wɔde ɔhyew ahyɛ mu koraa di dwuma de yi ɔhaw yi fi hɔ. Saa asɛm yi kyerɛkyerɛ nea ɛde ɔhyew a ɛtwetwe ba no ntini mu, ne nkɛntɛnso wɔ adwumayɛ fã biara mu, ne ano aduru titiriw no: ntama a wɔadi kan de ɔhyew ahyɛ mu a ɛtwetwe <0.5% wɔ 400°C.

Ntini a Ɛde Ba – Adwennwen a Aka a efi Nwene Mu

Ɔhyew a ɛtwetwe no fi nhyɛso a aka a ɛwɔ mu a ɛboaboa ano bere a wɔretwe ahwehwɛ nhama na wɔrepam ntama no mu titiriw. Fiberglass ntama a ɔhyew a edi mũ nnim no bɛfa ntwitwiridii a wontumi nsakra mu bere a wɔayɛ no hyew asen ne nhyɛso a ɛma wogyae no pɛnkoro (ntwitwagye a ɛyɛ nwonwa fi ase boro 300°C).

Adwennwen biara a ɛnyɛ nea wɔayi no adi koraa anaasɛ enni anohyeto no bɛyɛ ɔhaw titiriw a ahintaw a ɛde teyp nsusuwii a entumi nnyina ba. Saa adwennwene yi 'toto' ntama nhyehyeɛ no mu bere a wɔrewene na ɛgyae bere a wɔayɛ no hyew akodu ɔhyew a ɛfata nkutoo.

Nkɛntɛnso a Ɛwɔ PTFE Sintering Bere Mu – Ɔfã a Ɛho Hia no

PTFE sintering hyew du 360-400°C, ɛboro ɔhyew a efi ase fiberglass ɔhyew shrinkage koraa, na ɛma saa fã yi yɛ ade titiriw ma dimensional adwumayɛ.

1. Locked shrinkage stress ma latent dimensional sintɔ ahorow ba

Sɛ wɔyɛ ho adwuma wɔ nhyɛso a ɛba fam mu a, fiberglass ntama no so tew kwa na ɛyɛ kɛse, na ɛma ne tenten ne ne trɛw nyɛ nea ɛfata. Sɛ wɔde nhyɛso a ɛboro so di dwuma de siw ntwitwiridii ano a, wɔde ahoɔden ma ahwehwɛ nhama no tenten. Sɛ ɛyɛ bɛyɛ 380°C a, PTFE a wɔanwene no hyɛn nhama a wɔatrɛw mu no mu na ɛkyekyere; bere a ayɛ nwini na wɔayɛ no nsɛso akyi no, wɔtow su a ɛtwetwe ahintaw no mu daa wɔ substrate no mu sɛ nhyɛso kɛse a aka a ɛtwetwe nneɛma. Sɛ wɔsan yɛ teyp no hyew wɔ akyiri yi akwan horow mu pɛ a, saa nhyɛso a aka yi kanyan substrate no shrinkage na ɛsɛe dimensional stability tẽẽ.

2. Substrate a ɛnyɛ pɛpɛɛpɛ a ɛyɛ tratraa no sɛe coating uniformity

Ɔhyew a ɛtwetwe a ɛnyɛ pɛpɛɛpɛ wɔ ntama mmeae ahorow (sɛ nhwɛso no, anoano vs. mfinimfini beae) bere a wɔreyɛ sintering no kanyan deformations a asorɔkye anoano, cupped margins, ne surface bulges ka ho . Substrate no ani a ɛnteɛ no ma adhesive coating thickness a ɛnyɛ pɛpɛɛpɛ ba wɔ akwan a edi hɔ no mu, na ɛnyɛ den sɛ ɛde mframa bubbles anaasɛ adhesion a enye ba bere a wɔreyɛ lamination, na ɛsɛe teyp a wɔawie no dimensional ne functional stability nyinaa wɔ ɔkwan a ɛnteɛ so.

Nkɛntɛnso bere a Adhesive Curing – Secondary Stress Relief

Nnua a wɔde nkata so (nneɛma a wɔde nkata so a ɛyɛ silicone nhyɛsoɔ, acrylic a wɔde nkata so, ne nea ɛkeka ho) sa wɔ 150-200°C. Saa ɔhyew yi sua sen sintering range nanso ɛdɔɔso sɛ ɛbɛma residual locked stress ayɛ adwuma wɔ substrate no mu, na ɛde nea enye pii ba.

1. Secondary shrinkage de ɔfasu no so sintɔ ne dimensional deviation ba

Sɛ wohyɛn fononoo a wɔde sa yare no mu a, nhyɛso a aka a ɛba wɔ substrate no mu no gyae na ɛma teyp a wotumi susuw no twetwe. Eyi de:

• Trɛw a wɔtew so dodo

• Micro-mpaapaemu, orange peel texture, anaasɛ cohesive huammɔdi wɔ adhesive no ani (sɛnea shrinkage ba bere koro mu bere a wɔasa no) .

• Nsakrae a ɛba bere tenten wɔ adhesive thickness ne wrinkling a release liners (esiane mismatch ntam ntama shrinkage ahoɔhare ne coating roller linear velocity)

2. Thermal curling yi processing pɛpɛɛpɛyɛ fi hɔ

Substrate layer no twetwe denneennen wɔ ɔhyew residual stress ase, bere a adhesive layer a wɔayɛ no yiye koraa no wɔ coefficient soronko a ɛkyerɛ ɔhyew ntrɛwmu, na ɛde stress mismatch a emu yɛ den ba layers abien ntam. Teyp no twitwiw ntɛm ara bere a wɔayiyi afi release liners mu anaasɛ wɔde ahyɛ ɔhyew mu bere a wɔde redi dwuma no – entumi nna fam na ɛhwere dimensional controllability ne workability.

Adwennwen a Ɛkɔ So Fi Hɔ Bere a Wɔde Di Dwuma Awiei – Bere Tenten a Ɛnyɛ Den

Residual shrinkage stress a wɔannyi mfi hɔ koraa bere a adhesive curing no kɔ so kɔ so yɛ ade a wɔawie a wɔde di dwuma. Wɔ ɔhyew a ɛkorɔn a wɔde kata so, ɔhyew a wɔde kata so, anaa ɔhyew a wɔde kyinhyia tebea horow mu (sɛ nhwɛso no, 260°C powder a wɔde kata so) ase no, teyp no twetwe nkakrankakra na ɛkɔ so daa.

Ɔhaw a ɛbɛtumi aba:

• Masking hye a wɔasesa (nsɔano nhama tu) .

• Edge lifting anaasɛ adhesion huammɔdi

• Dimensional stability a ɛyera koraa

Eyi nti na teyp binom di nkogu wɔ afuw mu mpo bere a wɔatwam wɔ nhwehwɛmu a edi kan no mu akyi – nhyɛso a ahintaw no gyae nkakrankakra bere a bere ne ɔhyew a ɛda adi no.

Core Solution – Yi Shrinkage Fi hɔ Ansa na Woayɛ Sintering

Sɛnea ɛbɛyɛ na wɔayɛ PTFE adhesive tapes a ɛyɛ den kɛse no, nhyɛso a wɔhyɛ no trɛw bere a wɔreyɛ adwuma no ntumi nsiesie nsɛm a ɛfa shrinkage ho no titiriw. Ɛsɛ sɛ woyi fiberglass shrinkage no fi hɔ koraa wɔ fibea no.

1. Aokai PTFE kwan no

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2. Fa ɔhyew a ɛkorɔn a wɔde di dwuma ansa na wɔatow ogya ka ho ansa na wɔde PTFE ahyɛ mu anaasɛ wɔde akata so – ma fiberglass ntama no nwie free shrinkage na gyae emu nhyɛso nyinaa koraa ansa na ahyɛn sintering beae no.

2. Nea efi mu ba

Sɛ wɔtew fiberglass ntama no ɔhyew mu shrinkage rate so wie a, dimensional nsakrae wɔ sintering ne adhesive curing a edi hɔ no mu no befi ɔhyew ntrɛwmu ne resin ne adhesive layers a ɛtwetwe nkutoo mu – a ne kɛse sua koraa sen residual stress-driven shrinkage. Eyi ma awerɛhyem titiriw sɛ:

• Dimensional stability (tenten ne ne tɛtrɛtɛ) .

• Nneɛma a ɛwɔ soro a ɛyɛ petee

• Ɔhyew a ɛko tia ne ahotoso a ɛtra hɔ kyɛ

Aokai PTFE paw fiberglass substrates a wɔde ɔhyew ahyɛ mu koraa a wɔakyerɛw so sɛ ɛtwetwe no nkutoo. Yebetumi de sɔhwɛ data ama wɔ adetɔfo ahiade biara ho.

Nsɛm a Wɔaboaboa Ano – Nnyinasosɛm a Ɛwɔ Ansa na Wɔbɛtew

Aokai PTFE kamfo kyerɛ sɛ wɔde fiberglass a wɔadi kan ahyɛ ɔhyew a ɛwɔ shrinkage <0.5% ma dimension-critical applications nyinaa. Wɔ adetɔfoɔ a wɔhia ultra-stable dimensions, yɛde premium grades a shrinkage <0.3% wɔ 400°C.

Saa mfiridwuma ho nsɛm yi yɛ nea wɔde ma Jiangsu Aokai Nneɛma Foforo Mfiridwuma Co., Ltd.

Sɛ wopɛ nsɛm a ɛkɔ akyiri, dwumadie tebea ne ano aduru a wɔayɛ ama yɛn nneɛma nyinaa lineup a PTFE ɔhyew a ɛkorɔn ntama, PTFE ɔhyew a ɛkorɔn adhesive tapes, PTFE mesh conveyor belts, seamless fusing mfiri abɔso, biako-afã PTFE coated ntama, ɔhyew-resistant conveyor belts ne ɔhyew a ɛkorɔn fiberglass ntama ka ho, yɛsrɛ sɛ fa akwan a ɛwɔ aseɛ ha yi so ne yɛn nni nkitaho:

• Owura Guo: +86 18944819998 akyerɛw

• Owura Liu: +86 13705266308 akyerɛw

Yɛkura ɔsom nnyinasosɛm a ɛfa adwumayɛ ne nokwaredi ho, a yɛatu yɛn ho ama sɛ yɛbɛma wo ano aduru a wɔayɛ no sɛnea wopɛ ne mmoa a wɔde ahwɛyiye yɛ wɔ adetɔn akyi!