CTI e phahameng (Comparative Tracking Index) ea FR4 epoxy fiberglass board ke ntlha ea bohlokoa e etsang hore e tšoanelehe bakeng sa lits'ebetso moo ho hlokahalang motlakase o phahameng oa motlakase. Tekanyo e phahameng ea CTI e tiisa hore thepa e ka mamella maqhubu a phahameng ntle le kotsi ea ho senyeha ha motlakase kapa ho lateloa. Thepa ena e etsa hore CTI FR4 epoxy fiberglass board e be khetho e nepahetseng bakeng sa tšebeliso ea lisebelisoa tsa motlakase, joalo ka li-transformer, switchgear le liphanele tsa taolo.

Ntle le thepa ea eona e ntle ea ho kenya motlakase, boto e phahameng ea CTI FR4 epoxy fiberglass e boetse e fana ka khanyetso e phahameng ea mocheso. Sena se etsa hore e tšoanelehe bakeng sa likopo moo thepa e pepesehileng mocheso o phahameng. Ka mohlala, e atisa ho sebelisoa ha ho etsoa liboto tsa potoloho tse hatisitsoeng (PCBs) bakeng sa lisebelisoa tsa elektronike, moo boto e kenngoa ho soldering le mekhoa e meng ea mocheso o phahameng.

Matla a mochini a phahameng CTI FR4 epoxy fiberglass board ke tšobotsi e 'ngoe ea bohlokoa e etsang hore e be thepa e ratoang lits'ebetsong tse fapaneng. Botsitso ba eona bo botle ba sebopeho le ho hanyetsa tšusumetso le abrasion ho etsa hore e be e loketseng ho sebelisoa lits'ebetsong moo matla a mochini a hlokahalang. Ka mohlala, hangata e sebelisoa ha ho etsoa likarolo tsa mochine, metsoako ea meralo le lintho tse tšehetsang tšireletso.

Ho feto-fetoha ha maemo a phahameng a CTI FR4 epoxy fiberglass board le hona ho etsa hore e tšoanelehe bakeng sa mefuta e mengata ea lits'ebetso indastering ea likoloi, ea sefofane le ea metsing. Ho hanyetsa ha eona lik'hemik'hale, mongobo, le mahlaseli a UV ho etsa hore e be thepa e ka tšeptjoang bakeng sa ho sebelisoa libakeng tse thata. E ka sebelisoa ha ho etsoa likarolo tsa likoloi, lifofane le likepe tsa likepe, moo ho tšoarellang le ho sebetsa ho leng bohlokoa.

Ka kakaretso, boto e phahameng ea CTI FR4 epoxy fiberglass ke sesebelisoa se feto-fetohang se nang le motlakase o motle haholo, ho hanyetsa mocheso le matla a mochini. Thepa ea eona e etsa hore e tšoanelehe bakeng sa mefuta e mengata ea likopo liindastering tse fapaneng. Ebang e sebelisoa lisebelisoa tsa motlakase, tlhahiso ea PCB, kaho ea mechine, kapa likarolo tsa likoloi le tsa sefofane, boto e phahameng ea CTI FR4 epoxy fiberglass e ipaka e le thepa e ka tšeptjoang le e sebetsang hantle e finyellang litlhoko tse hlokahalang tsa mekhoa ea morao-rao ea indasteri. Tekanyetso ea eona e phahameng ea CTI, e kopantsoeng le thepa ea eona ea mocheso le mochini, e netefatsa hore e ka sebetsa ka katleho maemong a thata, e leng se etsang hore e be khetho e ratoang ke baenjiniere le baqapi ba mafapha a fapaneng.

FR4 e hlahisoang keJiujiang Xinxing Insulation material Co.Ltdke CTI600, FR4 e tloaelehileng e tsoang 'marakeng ke CTI200-400, kahoo haeba kopo ea hau e le libakeng tse thata, re khethe e tla ba khetho e ntle.