Jiangsu Aokai Nyu Matirial, we na wan pɔshɔnal manifakta fɔ PTFE ay-tɛmpracha klos, de gi dip analisis. Mat sanding tritmɛnt de briŋ fondamental chenj dɛn to di sɔfayz strɔkchɔ fɔ PTFE ay-tɛmpracha klos. i de transfכm di כrijinal כltra-inεt, כlta-smol sεf to wan bondabl, izi wet fכ fכnshכnal sεf frכm tri dimεnshכn: fכshal mכfכlכji, kכt integriti εn sכfayz kεmikכl stet.
di sεf we dεn nכ trit fכ PTFE hεy-tεmprachכ klos na rili smol כnda maykroskכp, we fכm bay wan kכntinyu film fכ mεlt-sintered polytetrafluoroethylene. Sandin tritmɛnt de chenj in maykro-mɔfɔlɔji bad bad wan:
· Shap inkris na di surface roughness: Mekanikal sanding (abrasive belt, steel waya brush) ɔ san blasting (corundum, white fused alumina) de kɔt ɛn impak di surface, we de kɔt bɔku bɔku disɔda maykro-grɔv, pit ɛn pik. Kɔr rɔfnɛs indikɛtɔ dɛn Ra (arithmɛtik min dɛvyayshɔn fɔ di prɔfayl we dɛn asɛs) ɛn Rz (tɛn-pɔynt ayt fɔ irɛgyulariti) de multiply signifyant.
· fכmeshכn fכ mεkanikal ankכring strכkchכ: dεn maykro-grכv dεm ya nכto simpul skrach, bכt 3D intalכk strכkchכ dεm. dis na di kכr fכ di ankכring ifekt: adhesive dεm de pεnεtrate insay dεn gap dεm ya εn kכl fכ fכm fכshal intalכk fכ sכbsכktiv bכnd כ kכt.
· Altered surface uniformity: Prɔpa sanding de gi ivin mat finish. di prכpכr prכsεs kכntrכl de mek כva-sεnd εria dεm (sεvεri tinned kכt) εn כn sand smol pat dεm, we de rεsult in irεgul hεtirojεnik mכfכlכji.
2. Kɔtin Intɛgriti: Frɔm Kɔntinyu Intakt Film to Damej, Ɛksplɔz Sabstret
Dis na di mɔs krichɔ risk we nid strikt prɔses kɔntrol, we de disayd dairekt wan di kɔr savis pefɔmɛns fɔ di prɔdak:
· Thinning of PTFE layer: Sanding na essentially wan fizik matirial rimobul prɔses. di PTFE kotin fכ ay tεmprachכ klos jεnarali de frכm tεn to כndrεd maykron tik. If yu sand pasmak, i de ridyus di tik we di kɔtin de tik bad bad wan, i de mek di dayelɛktrik trɛnk ɛn kemikal kɔrɛshɔn rɛsistɛns savis layf go dɔŋ.
· Risk fɔ mek di fayv glas sabstret we de na do (di mɔs siriɔs strɔkchɔral dɛfɛkt): We di dip we dɛn de grind pas di tik we di PTFE kɔtin gɛt, di fayv glas fabrik we de ɔnda go abrayd away, we go mek i nɔ wok fayn:
1. Lɔs fɔ prɔpati we nɔ de stik: Glas fayv dɛn we de na do kin atak di tin dɛn wantɛm wantɛm;
2. mכsichכ εn kεmikכl pεnεtreshכn: Wata vapour εn kεmikכl dεm de infiltrate di fabrik via kapilari akshכn fכ glas fayb dεm, we de mek dεn delaminεshכn εn di pεrformεns dεgradashכn kwik kwik wan;
3. Ridyus mɛkanikal trɛnk: Abrashɔn pan glas fayv dɛn kin mek shap drɔp in tɛnsiɛl trɛnk na di wan ol klos.
· Jɛnɛreshɔn fɔ maykrokrak ɛn akumulet dɛbris: Abraziv kɔt pan PTFE de kɔba britl fraktrɔs ɛn daktayl tearing, we de mek maykrokrak ɛn bur along di grov ed ɛn bɔt. Meanwhile, strip PTFE chips kin ri-diposit loosely pan di surface, fom ayland-layk loose structures we kompromi di rilaybiliti of subsequent coating or bonding.
3. Surface Chemical State: Frɔm Ultra-Inɛt to Aktivet
Pan ɔl we fɔ sand na di fɔs tin we dɛn kin du fɔ trit di bɔdi, i kin mek bak chenj dɛn to di kemikal prɔpati dɛn we de na di wɔl:
· εlevεt sכfayz εnεji: Pure PTFE gεt כltra-lכw sεf εnεji (18–20 mN/m), wit wata kכntakt εngl ova 108°. afta dεn sand, nyu fכm rכf sεf dεm εn brok mכlikul chen dεm de εkspכz hεy-εnεji aktv sayt dεm fכ sכm tεm, we de lif sכfayz εnεji oba 40 mN/m. Wata droplet dεm de spre εn wet di sכfa, we de sho tεmporari haydrofilisiti, we de fεd sכmtεm as tεm de go.
· tεmporari introdכkshכn fכ polar fכnshכnal grup dεm: hεy-εnεji grindin de trigεr riakshכn bitwin brok PTFE mכlikul chen dεm εn כksijεn/mכsichכ insay εya, instantly jεnarεt polar fכnshכnal grup dεm lεk kabכnayl (C=O) εn haydroksil (-OH). dis grup dεm de mek kεmikכl bכnd fכ fכda kεmikכl modifyushכn כ adhesive lamination.
Sɔma fɔ di Ɔvala Impekt dɛn
In shot, wan kwalifay sanding tritmɛnt de mek wan yunifom, rɔf, aktiv maykro-nano strɔkchɔ pan PTFE klos we nɔ de damej di ɔndalayn fayv glas sabstret.
· Pozitiv transfכmeshכn: I de mek mεkanikal intalכk tεkschכ fכ sכlv PTFE in inhεrent pwεl adheshon prכblεm.
fכ dat, di kכr fכ dis prכsεs de insay prεsis kכntrכl fכ di mεtirial rεmכv dip — na di tכp PTFE sεf layεr nכmכ de abrayd, we nכ tכch di fayv glas rεinfכsmεnt skel. di klos we dεn trit dεn kin sεnd am to kכt כ bכnd prכsεs dεm wantεm wantεm fכ tek ful advantej pan in optimal aktibכt sεf stet.
Wi de fala ɔltɛm to pɔshɔnal ɛn intɛgriti-oriɛnted savis filɔsofi, wit ɔl wi at fɔ gi wan-stɔp industrial sɔlvishɔn ɛn tink gud wan kastoma savis fɔ ɔl patna dɛn!
