PTFE surface jiyya ga bonding manne yana amfani da manyan hanyoyi guda biyu: high-zazzabi narkewa (mafi girma weather juriya, 9.5 MPa ƙarfi tare da hada guda biyu wakili, amma saki mai guba gas) da sodium-naphthalene etching (5 MPa nan da nan adhesion, kunkuntar 24-48 hour taga, m sharar gida). Zaɓi bisa ga kula da muhalli da kuma dogon lokaci vs. aikin ɗan gajeren lokaci.

Daidaitaccen tsaftacewa da kulawa yana tsawaita rayuwar masana'anta mai zafin jiki na PTFE. Tsaftace bayan amfani da kuma bayan sanyaya. Yi amfani da goga masu laushi, kayan wanka na tsaka tsaki, ko barasa don tabo. Kada a taɓa amfani da ƙaƙƙarfan acid/alkalis, bleach, ko goge ƙarfe. Lubrication mai na silicone na yau da kullun yana rage lalacewa. Bi waɗannan jagororin don hana lalacewar sutura.

PTFE babban tef ɗin zafin jiki yana da ƙarancin juriya ga ionizing radiation. A kawai 1 kGy bayyanar gamma, ƙarfin ɗaure ya ragu zuwa ~ 25% na asali. Ya dace kawai don ƙananan yanayi (abinci / haifuwa na likita <10 kGy). Don masana'antar nukiliya ko jirgin sama, yi amfani da polyimide ko PEEK maimakon.

Gwajin ingancin emulsion na PTFE ya ƙunshi alamomin maɓalli shida: m abun ciki (60 ± 2% da T / FSI 067-2021), pH (9.0-11.0), rarrabuwar barbashi (laser diffraction / DLS), danko (12-30 mPa · s a 25 ° C), kwanciyar hankali (centrifugal, thermal). Wannan jagorar ta ƙunshi daidaitattun hanyoyin gwaji don kowane siga.

Don kaset ɗin zafi mai zafi na PTFE a ƙarƙashin nutsewar dogon lokaci, PTFE substrate ɗin ya kasance marar amfani da sinadarai, amma manne Layer shine wurin rauni. Ruwa yana raunana PSA silicone; ruwan gishiri yana hanzarta lalata. Don sinadarai masu haɗari, ana buƙatar fluorosilicone ko perfluoropolyether adhesives - ko tef ɗin PTFE mara mannewa - ana buƙata. Ƙarfin kwasfa har zuwa 40% bayan sa'o'i 48 a cikin ruwa.

PTFE babban tef ɗin da aka yi amfani da shi a aikace-aikacen hulɗar abinci dole ne ya kasance cikin ƙayyadaddun iyakokin zafin jiki: ≤260°C don ci gaba da amfani, ≤300°C na gajerun kololuwa (mintuna), kuma ba zai taɓa sama da 327°C (ruɓewa ba). Dokokin FDA da EU ba su fayyace ƙayyadaddun lokaci na duniya ba - amintaccen lokacin tuntuɓar ya dogara da zafin jiki kuma dole ne a tabbatar da shi ta gwajin ƙaura da ke kwaikwaya ainihin yanayi.

PTFE high-zazzabi masana'anta da silicone masana'anta duka amfani da fiberglass zane a matsayin tushe amma bambanta a shafi abu (PTFE guduro vs silicone roba). PTFE ya yi fice a cikin rashin tsayawa, juriya, da juriya na sinadarai har zuwa 260 ° C. Silicone masana'anta yana ba da ingantaccen sassauci, rufin lantarki, da juriya na wuta (har zuwa 230 ° C). Zaɓi bisa fifikonku.

PTFE high-zazzabi masana'anta (PTFE membrane abu) babban zaɓi ne don gine-ginen tensile. Babban fa'idodi: Rayuwar waje ta shekara 30+, shimfidar tsabtace kai (ruwa yana wanke datti), watsa haske mai laushi (6-13%), ƙimar wuta ta Class A, da ƙarfin ƙarfe kamar ƙasa a ƙarƙashin 1.5 kg/m². Ana amfani da shi a filayen wasa, filayen jirgin sama, da manyan gine-gine a duniya.

PTFE babban tef ɗin zafin jiki yana buƙatar ajiya mai kyau don kula da mannewa, sassauci, da aikin sakin sa. Mahimmin buƙatun sun haɗa da sarrafa zafin jiki (10-30°C), zafi ƙasa da 60%, nisantar haske, keɓancewar sinadarai, sanyawa a tsaye, da samun iska. Bi tsarin sarrafa kayan FIFO kuma bincika akai-akai.

Zaɓin madaidaicin tef ɗin zafin jiki na PTFE don gado mai zafi na firinta na 3D yana buƙatar mayar da hankali kan alamomi huɗu: juriya na zafin jiki (har zuwa 260 ° C +), fiberglass-reinforced substrate (0.18mm manufa), goyan bayan silicone tare da saman saman mara ƙarfi, da faɗin / haƙuri daidai. Wannan jagorar yana taimaka muku guje wa warping, saura, da gazawar bugawa.