Core Performance Indicators a Ɛsɛ sɛ Wosusuw Ho Bere a Wɔde PTFE High-Temperature Tape redi dwuma wɔ Vacuum Coating, Vacuum Heat Treatment ne Vacuum Environments Afoforo mu

Jiangsu Aokai New Materials, adwumayɛfo a wɔyɛ PTFE teyp a ɛyɛ hyew kɛse no kyɛ adwumayɛfo akwankyerɛ. Sɛ wɔde di dwuma wɔ vacuum coating, vacuum heat treatment ne vacuum mmeae afoforo a, PTFE high-temperature tape wɔ core performance requirements soronko koraa sɛ wɔde toto wim dwumadie ho a. Mframa a ɛba fam a ɛba fam, mframa a ɛyɛ hyew a ɛba fam ne ahotew a ɛkɔ soro ne nneɛma a ɛho hia sen biara. Wɔabobɔ nsɛnkyerɛnne atitiriw a ɛsɛ sɛ wɔsɔ hwɛ no din sɛnea edidi so yi:

1. Vacuum Outgassing Property (Asɛm a Ɛho Hia Sen Biara) .

Eyi ne adwumayɛ ho nkyerɛkyerɛmu a ɛyɛ gyinaesi ma vacuum dwumadie. Wɔ nhyɛso a ɛba fam ne ɔhyew a ɛkɔ soro ase no, teyp no bɛma mframa a ɛyɛ hyew, na ɛma vacuum degree no sɛe. Condensed volatiles fĩ optical components, sputtering targets ne workpieces, na ɛde foggy coatings, film adhesion a enye na mpo product no pow koraa.

· Total Mass Loss (TML): Ahwehwɛde a ɛwɔ hɔ nyinaa TML ≤ 1.0%; dwumadie a ɛkorɔn te sɛ ahunmu ne aniwa adwumayɛbea hwehwɛ TML ≤ 0.5%.

· Nneɛma a Wɔaboaboa Ano a Ɛtumi Yɛ Nsuo (CVCM): Wɔhwɛ so yie, mpɛn pii no CVCM ≤ 0.1%; tebea horow a ɛyɛ den yiye hwehwɛ sɛ CVCM ≤ 0.01%.

2. Ɔhyew a Ɛko Tia Grade

· Ɔsom hyew a ɛkɔ so: PTFE-coated fiberglass substrate a PTFE tape tumi gyina bere tenten a ɛda adi wɔ 260°C. Nanso, ɛsɛ sɛ wɔhwɛ sɛnea ade a wɔde nkata ade no mu no ntumi gyina ɔhyew ano bere koro mu. Silicone PSA a wɔtaa de di dwuma no ma ɔhyew a ɛkɔ so gyina bɛyɛ 200°C, bere a silicone a wɔde nkata so a ɛyɛ adwuma yiye betumi adu 260°C.

· Bere tiaa mu ɔhyew a ɛsen biara: Hwɛ sɛ ebia ɔhyew a ɛkɔ soro ntɛm ara bere a wɔreyɛ adwuma no boro teyp no bere tiaa mu ɔhyew anohyeto (mpɛn pii no ≤300°C). Ɔhyew a ɛboro so bɛma ade a wɔde nkata so no ayɛ carbon na aporɔw, na ɛde efĩ kɛse aba vacuum chamber no mu. Hyɛ no nsow: Sɛ vacuum heat treatment temperature boro 260°C koraa a, PTFE tape no nyɛ adwuma bio; polyimide (Kapton) teapɔn anaa aluminium foil teapɔn na wɔbɛfa no mmom.

3. Adhesive Type & High-Ɔhyew a Ɛkura Tumi

· Adhesive nhyehyɛe paw: Silicone nhyɛso-te nka adhesive ne titiriw paw ma vacuum applications esiane ne soro ɔhyew a ɛko tia. Ne nyinaa mu no, silicone a wɔde nkata so a ɛnyɛ den no kura siloxanes a ɛnyɛ molecule pii, a ɛyɛ hyew wɔ vacuum a ɛyɛ hyew mu na ɛde efĩ ba nneɛma a wɔde yɛ adwuma, titiriw mmeae a wɔde aniwa hu ne mmeae a anyinam ahoɔden di nkitaho. Enti, ɛho hia sɛ wɔde silicone a wɔde nkata so anaa nea ɛnyɛ silicone a wɔde nkata so a wɔatew ho titiriw.

· Tumi a ɛkura ɔhyew a ɛkorɔn: Wɔ vacuum ne ɔhyew a ɛkorɔn tebea horow a wɔaka abom mu no, creep, edge lifting anaasɛ full peeling of the tape bɛsiw vacuum pipelines tẽẽ na ɛde efĩ fibea foforo aba. Ɛsɛ sɛ wɔgye bere tenten a wɔde kura shear mu wɔ adwumayɛ hyew mu no tom.

4. Ahotew & Ionic Contamination

· Cleanroom compatibility: Ɛnsɛ sɛ teyp no yɛ nea fiber shedding ne lint biara nni mu wɔ ntwea so. Wɔpɛ teyp a wɔyɛ wɔ mmeae a ɛhɔ tew.

· Ionic a ɛba fam: Wɔ vacuum akwan a wɔfa so yɛ adwuma wɔ semiconductor ne MEMS nnwuma mu no, halogen ions (Cl) ne metal ions (Na, K) a ɛwɔ teyp no mu no bɛtɔ wɔ ɔhyew a ɛkorɔn mu, asɛe circuits anaasɛ ɛbɛsakra doping dodow. Bisa ionic extractables sɔhwɛ amanneɛbɔ fi wɔn a wɔde ma no hɔ.

· Zero silicone oil migration: Sɛ yɛyi condensable volatiles to nkyɛn a, free silicone oil a ɛwɔ adhesives mu no betumi awea afa nneɛma a ɛwɔ soro no so na ama adi nkogu wɔ bonding ne welding akwan a edi hɔ no mu. Kyerɛ zero silicone ngo migration grade ma dwumadie a ɛho hia.

5. Surface Anti-Static Adwumayɛ

PTFE fi awosu mu yɛ ade a ɛma nneɛma kɔ soro. Ɛnyɛ den sɛ static charge boaboa ano wɔ ne soro denam friction anaasɛ peeling wɔ vacuum chambers mu. Electrostatic discharge betumi asɛe ɛlɛtrɔnik nneɛma a ɛyɛ mmerɛw anaasɛ atwetwe efĩ nketenkete.

· Indicator ahwehwɛde: Sɛnea ɛbɛyɛ a wɔbɛbɔ electrostatic-sensitive zones ho ban na wɔabɔ ho ban no, anti-static PTFE tape ho hia a ɛwɔ soro resistivity a efi 106 ~ 109 Ω/sq, na ɛsɛ sɛ wɔhwɛ so stable anti-static adwumayɛ wɔ ɔhyew a ɛkorɔn akyi.

6. Plasma & Nnuru a Ɛko Tia

· Plasma a ɛko tia: Wɔ sputtering ne PECVD akwan horow mu no, wɔbɛkyerɛw teyp a wɔde ahyɛ plasma wim tebea mu, na ama fluorine free radicals a efĩ sini ahorow a wɔde asie na ɛporɔw vacuum chambers no afi hɔ. Di kan hwɛ sɛnea wɔde bedi dwuma, anaasɛ dan kɔ polyimide teyp a ɛko tia plasma kɛse so sɛ ɛho hia a.

· Nnuru a ɛko tia: Ebia ngo a aka ne nnuru a wɔde tew nneɛma ho wɔ hɔ bere a wɔde vacuum ɔhyew ayɛ adwuma no; adhesive ne substrate nyinaa bɛko atia swelling ne nnuru a ɛyɛ adwuma.

7. Nsusuwii Gyinabea & Ɔhyew Shrinkage Rate

Ɔhyew a ɛtwetwe dodo wɔ ɔhyew a ɛkɔ soro mu no bɛma anoano a wɔakata so no ada adi anaasɛ ɛbɛma nwi a ɛbata ho aba, na asɛe akataso no pɛpɛɛpɛ ne sɛnea ɛne no hyia.

· Nsɛnkyerɛnneɛ ahwehwɛdeɛ: Hwɛ thermal shrinkage data a wɔn a wɔyɛ no de ama (wɔasɔ ahwɛ wɔ simma 30 akyi wɔ 260°C). Premium vacuum-grade tape nya shrinkage a ɛba fam 2% anaa mpo ɛba fam.

Nkamfo a Wɔde Paw Wɔn Ho Nsɛm a Wɔaboaboa Ano

Sɛ woretɔ PTFE teapɔn a ɛyɛ hyew kɛse ma mmeae a mframa bɔ a, ɔhyew a ɛko tia nkutoo nnɔɔso. Bisa ASTM E595 outgassing sɔhwɛ amanneɛbɔ fi suppliers, ka pefee vacuum service tebea na hwehwɛ soronko low-outgassing tapes a wɔatew ho silicone adhesive. Wɔ nneɛma a wɔyɛ ho nhyehyɛe a ɛho hia ho no, yɛ coupon sɔhwɛ nketewa de susuw nhyɛso a ɛsakrasakra fã bi wɔ vacuum gauges so na hwɛ efĩ a ebetumi aba nneɛma a wɔawie mu.

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