2026-07-07 na ɛwɔ hɔ
Saa akwankyerɛ yi ka PTFE teapɔn a ɛyɛ hyew a ɛkorɔn a wɔpaw ma injection molding demolding ne anti-stick applications ho. Ɔhyew a egyina paw so: ≤260°C ma plastic ahorow a wɔde di dwuma wɔ ɔkwan a ɛkɔ akyiri so (silicone PSA teyp a ɛyɛ gyinapɛn, 0.13-0.18mm); 260-300°C ma mfiridwuma mu plastic a ɛyɛ hyew te sɛ PC, PA66, POM (silicone adhesive a ɛyɛ hyew kɛse, 0.18-0.25mm); 300-400°C ma PEEK, LCP, PPS a ɛbɛn mmirikatufo a wɔyɛ hyew (adhesive tape di nkogu; fa PTFE ntama a adhesive nnim anaa PFA film di dwuma). Nneɛma a egyina paw: tacky nneɛma hia high-release pure PTFE surfaces; ahwehwɛ / mineral ahyɛ nneɛma ma hwehwɛ heavy-duty 0.25mm + wear-resistant tape; nneɛma a wɔde ka ho a ɛporɔw hwehwɛ ade a wɔde nkata so a nnuru ntumi nkɔ mu ne substrate a ɛyɛ den; static-sensitive applications hia anti-static tuntum PTFE teapɔn.
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2026-07-07 na ɛwɔ hɔ
Wɔnam PTFE a ɛtwetwe ntama a ɛyɛ hyew kɛse so na ɛyɛ denam PTFE a wɔde kata fiberglass ntama a ahoɔden kɛse wom so, na ɛma ahoɔden a ɛtwetwe, ɔhyew a ɛko tia, nea ɛnkyere so, nnuru a ɛko tia, ne friction a ɛba fam. Nneɛma atitiriw a wɔde di dwuma ne: mfiridwuma mu nneɛma a wɔde fa nneɛma mu (ɔhyew a wɔde kyekyere nneɛma, aduan a wɔde to, ntama a wɔde dry, krataa/film a wɔde hyɛ); composite molding release ntama ne ɔhyew press cushion liners; welding ntama a ɛbɔ ho ban ne jackets a wɔde siw ɔhyew ano; anyinam ahoɔden motor ne transformer insulation; bearing ahorow a ɛtwetwe ne nea wɔde gyina nsu afiri mu; nnuru a wɔde yiyi mu ne valve a wɔde siw ano wɔ mmeae a asɛe. Ahoɔden a ɛkorɔn a ɛtwetwe no hwɛ hu sɛ ɛbɛtra hɔ akyɛ wɔ nhyɛso, tetew, flexing mpɛn pii, ne ɔhyew a ɛkorɔn mfiridwuma mu nhyɛso wɔ saa dwumadie ahodoɔ a emu yɛ duru yi mu.
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2026-07-07 na ɛwɔ hɔ
Wɔ sintering mu no, PTFE asinasin a ɛwɔ fiberglass ntama so no nwene boro 327°C, na ɛsɛe mfitiase folded-chain lamellae ne nneɛma nketenkete ahye ma ɛyɛ amorphous melt. Sɛ ɛyɛ nwini a, PTFE san yɛ ahwehwɛ a ɛyɛ spherulites a ɛyɛ radially oriented lamellae, a crystallinity yɛ 50–70%. Onwini dodow na ɛkyerɛ sɛnea ahwehwɛ no yɛ pɛ: onwini a ɛyɛ brɛoo no ma ahwehwɛ a ɛkorɔn, spherulites akɛse, ɛyɛ den kɛse; sɛ wodum ntɛmntɛm a, ɛma spherulites a ɛyɛ fɛ na ɛma wotumi yɛ nsakrae yiye.
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