{"id":28455,"date":"2025-12-26T16:49:00","date_gmt":"2025-12-26T08:49:00","guid":{"rendered":"https:\/\/sinoextrud.com\/?p=28455"},"modified":"2025-12-21T10:08:24","modified_gmt":"2025-12-21T02:08:24","slug":"pozadavky-na-prilnavost-povlaku-na-vytlacovani-hliniku","status":"publish","type":"post","link":"https:\/\/sinoextrud.com\/cs\/aluminum-extrusion-coating-adhesion-requirements\/","title":{"rendered":"Po\u017eadavky na p\u0159ilnavost hlin\u00edkov\u00e9ho povlaku?"},"content":{"rendered":"

\"\u010c\u00edna
\u010c\u00edna hlin\u00edkov\u00e9 vytla\u010dov\u00e1n\u00ed 6061 6063 eloxovan\u00e9 hlin\u00edkov\u00e9 trubky<\/figcaption><\/figure>\n<\/p>\n

N\u00e1t\u011bry selh\u00e1vaj\u00ed \u010dast\u011bji kv\u016fli \u0161patn\u00e9 p\u0159ilnavosti ne\u017e kv\u016fli \u0161patn\u00e9 volb\u011b materi\u00e1lu. Odlupov\u00e1n\u00ed, puch\u00fd\u0159e a odlupov\u00e1n\u00ed se obvykle objevuj\u00ed a\u017e po instalaci. Mnoho kupuj\u00edc\u00edch se zam\u011b\u0159uje na tlou\u0161\u0165ku a barvu n\u00e1t\u011bru. P\u0159ilnavost se kontroluje p\u0159\u00edli\u0161 pozd\u011b.<\/p>\n

P\u0159ilnavost hlin\u00edkov\u00e9ho vytla\u010dovan\u00e9ho povlaku z\u00e1vis\u00ed na stavu povrchu, zp\u016fsobu p\u0159\u00edpravy, typu povlaku a zku\u0161ebn\u00edch norm\u00e1ch pou\u017eit\u00fdch k ov\u011b\u0159en\u00ed pevnosti spoje.<\/strong><\/p>\n

V re\u00e1ln\u00fdch projektech vedou probl\u00e9my s p\u0159ilnavost\u00ed k p\u0159epracov\u00e1n\u00ed, zpo\u017ed\u011bn\u00ed a st\u00ed\u017enostem z\u00e1kazn\u00edk\u016f. Tento \u010dl\u00e1nek vysv\u011btluje, kter\u00e9 normy pro adhezi plat\u00ed, jak se adheze testuje, pro\u010d je d\u016fle\u017eit\u00e9 p\u0159edb\u011b\u017en\u00e9 \u010di\u0161t\u011bn\u00ed a kter\u00e9 n\u00e1t\u011bry se nejl\u00e9pe spojuj\u00ed s eloxovan\u00fdm hlin\u00edkem.<\/p>\n

Jak\u00e9 normy p\u0159ilnavosti plat\u00ed pro n\u00e1t\u011bry?<\/h2>\n

Mnoho vad n\u00e1t\u011br\u016f m\u00e1 p\u016fvod v nejasn\u00fdch norm\u00e1ch. Bez definovan\u00fdch krit\u00e9ri\u00ed p\u0159ilnavosti hodnot\u00ed dodavatel\u00e9 a odb\u011bratel\u00e9 kvalitu odli\u0161n\u011b. To zp\u016fsobuje spory.<\/p>\n

P\u0159ilnavost povlaku na hlin\u00edkov\u00fdch v\u00fdlisk\u00e1ch se b\u011b\u017en\u011b definuje podle norem pro zkou\u0161ky k\u0159\u00ed\u017eov\u00e9ho \u0161rafov\u00e1n\u00ed, odtr\u017een\u00ed nebo ohybu specifikovan\u00fdch metodami ISO a ASTM.<\/strong><\/p>\n

\"Hlin\u00edkov\u00fd
Hlin\u00edkov\u00fd v\u00fdlisek 6063 pr\u00e1\u0161kov\u00e9 lakov\u00e1n\u00ed Hlin\u00edkov\u00e9 st\u0159e\u0161n\u00ed ta\u0161ky profil<\/figcaption><\/figure>\n<\/p>\n

Pro\u010d jsou vy\u017eadov\u00e1ny normy adheze<\/h3>\n

Adhezn\u00ed normy poskytuj\u00ed spole\u010dn\u00fd jazyk. Definuj\u00ed, jak velk\u00e1 s\u00edla nebo po\u0161kozen\u00ed jsou p\u0159ijateln\u00e9 p\u0159ed poruchou. Bez norem se kontrola st\u00e1v\u00e1 subjektivn\u00ed.<\/p>\n

Pom\u00e1haj\u00ed normy:<\/p>\n

    \n
  • Porovn\u00e1n\u00ed dodavatel\u016f <\/li>\n
  • Nastaven\u00ed limit\u016f vyhov\u011bl nebo nevyhov\u011bl <\/li>\n
  • Sn\u00ed\u017een\u00ed spor\u016f o kvalitu <\/li>\n<\/ul>\n

    \u0158\u00edd\u00ed tak\u00e9 nastaven\u00ed lakovac\u00ed linky a p\u0159\u00edpravu povrchu.<\/p>\n

    B\u011b\u017en\u011b odkazovan\u00e9 normy<\/h3>\n

    V\u011bt\u0161ina pr\u016fmyslov\u00fdch hlin\u00edkov\u00fdch n\u00e1t\u011br\u016f se \u0159\u00edd\u00ed malou skupinou norem.<\/p>\n\n\n\n\n\n\n\n
    Standardn\u00ed<\/th>\nTyp testu<\/th>\nTypick\u00e9 pou\u017eit\u00ed<\/th>\n<\/tr>\n<\/thead>\n
    ASTM D3359<\/td>\nK\u0159\u00ed\u017eov\u00e9 \u0161rafov\u00e1n\u00ed<\/td>\nPr\u00e1\u0161kov\u00e9 lakov\u00e1n\u00ed<\/td>\n<\/tr>\n
    ISO 2409<\/td>\nK\u0159\u00ed\u017eov\u00fd \u0159ez<\/td>\neloxovan\u00e9 nebo lakovan\u00e9<\/td>\n<\/tr>\n
    ASTM D4541<\/td>\nVytahovac\u00ed<\/td>\nVysoce v\u00fdkonn\u00e9 n\u00e1t\u011bry<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

    Tyto normy jsou v\u0161eobecn\u011b uzn\u00e1van\u00e9 a snadno kontrolovateln\u00e9.<\/p>\n

    Jak jsou normy specifikov\u00e1ny v objedn\u00e1vk\u00e1ch<\/h3>\n

    V dobr\u00fdch objedn\u00e1vk\u00e1ch nen\u00ed uvedeno pouze \u201cdobr\u00e1 p\u0159ilnavost\u201d. Je v nich uvedeno:<\/p>\n

      \n
    • Zku\u0161ebn\u00ed metoda <\/li>\n
    • P\u0159ij\u00edmac\u00ed t\u0159\u00edda nebo rating <\/li>\n
    • M\u00edsto a \u010detnost test\u016f <\/li>\n<\/ul>\n

      Nap\u0159\u00edklad u architektonick\u00fdch n\u00e1t\u011br\u016f se \u010dasto vy\u017eaduje t\u0159\u00edda k\u0159\u00ed\u017eov\u00e9ho \u0161rafov\u00e1n\u00ed 0 nebo 1.<\/p>\n

      Praktick\u00e9 probl\u00e9my v tov\u00e1rn\u00e1ch<\/h3>\n

      V praxi se m\u016f\u017ee p\u0159ilnavost v r\u00e1mci jednoho profilu li\u0161it. Rohy, svary a siln\u00e9 profily se chovaj\u00ed odli\u0161n\u011b.<\/p>\n

      Z tohoto d\u016fvodu v\u00e1\u017en\u00ed z\u00e1jemci:<\/p>\n

        \n
      • Definice kritick\u00fdch oblast\u00ed testov\u00e1n\u00ed <\/li>\n
      • Vy\u017eadovat rutinn\u00ed audity linek <\/li>\n
      • Veden\u00ed z\u00e1znam\u016f o jednotliv\u00fdch d\u00e1vk\u00e1ch <\/li>\n<\/ul>\n

        Tento p\u0159\u00edstup sni\u017euje po\u010det n\u00e1hodn\u00fdch selh\u00e1n\u00ed po doru\u010den\u00ed.<\/p>\n

        <\/svg> P\u0159ilnavost n\u00e1t\u011br\u016f se b\u011b\u017en\u011b hodnot\u00ed pomoc\u00ed zku\u0161ebn\u00edch norem ASTM a ISO.<\/b>Pravda<\/span><\/p>

        Tyto normy definuj\u00ed p\u0159ijateln\u00e9 metody a hodnocen\u00ed p\u0159ilnavosti.<\/p><\/div>\n

        <\/svg> Neexistuj\u00ed \u017e\u00e1dn\u00e9 form\u00e1ln\u00ed normy pro p\u0159ilnavost povlaku na hlin\u00edkov\u00fdch v\u00fdlisc\u00edch.<\/b>False<\/span><\/p>

        \u0160iroce se pou\u017e\u00edv\u00e1 v\u00edce mezin\u00e1rodn\u00edch norem.<\/p><\/div>\n

        Jak se testuje p\u0159ilnavost na vytla\u010dovan\u00fdch povr\u0161\u00edch?<\/h2>\n

        Testov\u00e1n\u00ed adheze nen\u00ed slo\u017eit\u00e9. P\u0159esto nespr\u00e1vn\u00e9 testov\u00e1n\u00ed vede k nespr\u00e1vn\u00fdm z\u00e1v\u011br\u016fm. V\u00fdb\u011br metody mus\u00ed odpov\u00eddat typu n\u00e1t\u011bru a aplikaci.<\/p>\n

        Adheze na hlin\u00edkov\u00fdch v\u00fdlisc\u00edch se testuje mechanick\u00fdm nam\u00e1h\u00e1n\u00edm povlaku \u0159ez\u00e1n\u00edm, ta\u017een\u00edm, oh\u00fdb\u00e1n\u00edm nebo n\u00e1razov\u00fdmi metodami.<\/strong><\/p>\n

        \"Hlin\u00edkov\u00fd
        Hlin\u00edkov\u00fd v\u00fdlisek 6063 eloxovan\u00fd \u0161atn\u00ed ty\u010d Hlin\u00edkov\u00fd profil<\/figcaption><\/figure>\n<\/p>\n

        Zkou\u0161ky k\u0159\u00ed\u017eov\u00e9ho \u0161rafov\u00e1n\u00ed a k\u0159\u00ed\u017eov\u00e9ho \u0159ezu<\/h3>\n

        Jedn\u00e1 se o nejb\u011b\u017en\u011bj\u0161\u00ed metodu. M\u0159\u00ed\u017eka se pro\u0159\u00edzne skrz povlak a\u017e k podkladu. P\u00e1ska se nalep\u00ed a odstran\u00ed.<\/p>\n

        V\u00fdsledek se hodnot\u00ed podle toho, kolik povlaku se odd\u011bl\u00ed.<\/p>\n

        V\u00fdhody:<\/p>\n

          \n
        • Rychle <\/li>\n
        • N\u00edzk\u00e9 n\u00e1klady <\/li>\n
        • Snadn\u00e9 opakov\u00e1n\u00ed <\/li>\n<\/ul>\n

          Omezen\u00ed:<\/p>\n

            \n
          • Po\u0161kozen\u00ed povrchu <\/li>\n
          • Subjektivn\u00ed hodnocen\u00ed hran <\/li>\n<\/ul>\n

            Zkou\u0161ka vyta\u017een\u00ed<\/h3>\n

            Zkou\u0161ka odtr\u017een\u00edm m\u011b\u0159\u00ed skute\u010dnou s\u00edlu pot\u0159ebnou k odtr\u017een\u00ed povlaku. K povrchu se p\u0159ilep\u00ed panenka a t\u00e1hne se kolmo.<\/p>\n

            Tato metoda poskytuje \u010d\u00edseln\u00e9 hodnoty. Je u\u017eite\u010dn\u00e1 pro tlust\u00e9 nebo kritick\u00e9 povlaky.<\/p>\n

            Nicm\u00e9n\u011b:<\/p>\n

              \n
            • Po\u0161kozuje \u010d\u00e1st <\/li>\n
            • P\u0159\u00edprava povrchu ovliv\u0148uje pevnost lepidla <\/li>\n
            • Nevhodn\u00e9 pro tenk\u00e9 dekorativn\u00ed vrstvy <\/li>\n<\/ul>\n

              Zkou\u0161ky ohybu a deformace<\/h3>\n

              N\u011bkter\u00e9 v\u00fdlisky jsou po pota\u017een\u00ed oh\u00fdb\u00e1ny nebo tvarov\u00e1ny. Zkou\u0161kami ohybu se zji\u0161\u0165uje, zda povlak p\u0159i deformaci neprask\u00e1 nebo se neodlupuje.<\/p>\n

              Tyto testy jsou b\u011b\u017en\u00e9 v:<\/p>\n

                \n
              • Automobilov\u00e9 d\u00edly <\/li>\n
              • Sn\u00edmky s n\u00e1sledn\u00fdm zpracov\u00e1n\u00edm <\/li>\n<\/ul>\n

                V\u00fdb\u011br spr\u00e1vn\u00e9ho testu<\/h3>\n\n\n\n\n\n\n\n
                Zku\u0161ebn\u00ed metoda<\/th>\nNejlep\u0161\u00ed pro<\/th>\nNen\u00ed ide\u00e1ln\u00ed pro<\/th>\n<\/tr>\n<\/thead>\n
                K\u0159\u00ed\u017eov\u00e9 \u0161rafov\u00e1n\u00ed<\/td>\nPr\u00e1\u0161kov\u00e9 lakov\u00e1n\u00ed<\/td>\nVelmi siln\u00e9 vrstvy<\/td>\n<\/tr>\n
                Vytahovac\u00ed<\/td>\nN\u00e1t\u011bry pro n\u00e1ro\u010dn\u00e9 pou\u017eit\u00ed<\/td>\nTenk\u00e9 dekorativn\u00ed povrchy<\/td>\n<\/tr>\n
                Zkou\u0161ka ohybem<\/td>\nTvarovan\u00e9 profily<\/td>\nPevn\u00e9 struktury<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

                Testov\u00e1n\u00ed by m\u011blo odr\u00e1\u017eet skute\u010dn\u00e9 provozn\u00ed podm\u00ednky.<\/p>\n

                <\/svg> Testov\u00e1n\u00ed k\u0159\u00ed\u017eov\u00e9ho \u0161rafov\u00e1n\u00ed kontroluje p\u0159ilnavost povlaku \u0159ez\u00e1n\u00edm a odstra\u0148ov\u00e1n\u00edm p\u00e1sky.<\/b>Pravda<\/span><\/p>

                Tato metoda hodnot\u00ed vazbu povlaku pozorov\u00e1n\u00edm odlepov\u00e1n\u00ed.<\/p><\/div>\n

                <\/svg> Zkou\u0161ky vyta\u017een\u00edm nepo\u0161kozuj\u00ed hlin\u00edkov\u00fd v\u00fdlisek.<\/b>False<\/span><\/p>

                Trvale po\u0161kozuj\u00ed testovanou oblast.<\/p><\/div>\n

                M\u016f\u017ee p\u0159ed\u010di\u0161t\u011bn\u00ed zlep\u0161it p\u0159ilnavost n\u00e1t\u011bru?<\/h2>\n

                \u0160patn\u00e1 p\u0159ilnavost \u010dasto za\u010d\u00edn\u00e1 je\u0161t\u011b p\u0159ed nanesen\u00edm n\u00e1t\u011bru. Zne\u010di\u0161t\u011bn\u00ed povrchu blokuje lepen\u00ed. Mnoho poruch vznik\u00e1 vynech\u00e1n\u00edm nebo zkr\u00e1cen\u00edm \u010distic\u00edch krok\u016f.<\/p>\n

                Spr\u00e1vn\u00e9 p\u0159ed\u010di\u0161t\u011bn\u00ed v\u00fdrazn\u011b zlep\u0161uje p\u0159ilnavost povlaku odstran\u011bn\u00edm olej\u016f, oxid\u016f a zbytk\u016f z povrchu hlin\u00edkov\u00fdch v\u00fdlisk\u016f.<\/strong><\/p>\n

                \"20
                20 mm X 20 mm hlin\u00edkov\u00fd v\u00fdlisek<\/figcaption><\/figure>\n<\/p>\n

                Zdroje povrchov\u00e9 kontaminace<\/h3>\n

                V\u00fdlisky opou\u0161t\u011bj\u00ed lis se zbytky. Manipulace s nimi p\u0159id\u00e1v\u00e1 dal\u0161\u00ed.<\/p>\n

                Mezi b\u011b\u017en\u00e9 kontaminanty pat\u0159\u00ed:<\/p>\n

                  \n
                • Vytla\u010dovac\u00ed maziva <\/li>\n
                • \u0158ezn\u00e9 oleje <\/li>\n
                • Otisky prst\u016f <\/li>\n
                • P\u0159\u00edrodn\u00ed oxidov\u00e9 vrstvy <\/li>\n<\/ul>\n

                  I \u010dist\u011b vypadaj\u00edc\u00ed povrchy mohou blokovat p\u0159ilnavost.<\/p>\n

                  Metody p\u0159ed\u010di\u0161t\u011bn\u00ed pou\u017e\u00edvan\u00e9 v pr\u016fmyslu<\/h3>\n

                  P\u0159ed lakov\u00e1n\u00edm se b\u011b\u017en\u011b prov\u00e1d\u00ed n\u011bkolik f\u00e1z\u00ed \u010di\u0161t\u011bn\u00ed.<\/p>\n

                  Odma\u0161\u0165ov\u00e1n\u00ed<\/h4>\n

                  Alkalick\u00e9 odma\u0161\u0165ov\u00e1n\u00ed nebo odma\u0161\u0165ov\u00e1n\u00ed rozpou\u0161t\u011bdlem odstra\u0148uje oleje a organick\u00e9 l\u00e1tky.<\/p>\n

                  Lept\u00e1n\u00ed<\/h4>\n

                  Kysel\u00e9 nebo alkalick\u00e9 lept\u00e1n\u00ed odstra\u0148uje povrchov\u00e9 oxidy a vytv\u00e1\u0159\u00ed mikrodrsnosti.<\/p>\n

                  Konverzn\u00ed povlak<\/h4>\n

                  Syst\u00e9my bez chrom\u00e1t\u016f nebo chromu zlep\u0161uj\u00ed chemick\u00e9 spojen\u00ed mezi hlin\u00edkem a povlakem.<\/p>\n

                  Vliv \u010di\u0161t\u011bn\u00ed na v\u00fdsledky adheze<\/h3>\n

                  P\u0159i v\u00fdrob\u011b se spr\u00e1vn\u00fdm \u010di\u0161t\u011bn\u00edm \u010dasto zlep\u0161\u00ed v\u00fdsledky k\u0159\u00ed\u017eov\u00e9ho \u0161rafov\u00e1n\u00ed o jednu a\u017e dv\u011b t\u0159\u00eddy. Sni\u017euje tak\u00e9 dlouhodobou delaminaci.<\/p>\n\n\n\n\n\n\n\n
                  \u00darove\u0148 \u010di\u0161t\u011bn\u00ed<\/th>\nTypick\u00fd v\u00fdsledek adheze<\/th>\n<\/tr>\n<\/thead>\n
                  Minim\u00e1ln\u00ed st\u00edr\u00e1n\u00ed<\/td>\n\u0160patn\u00fd a\u017e dobr\u00fd<\/td>\n<\/tr>\n
                  Pouze odma\u0161t\u011bn\u00ed<\/td>\nSpravedliv\u00e9<\/td>\n<\/tr>\n
                  \u00dapln\u00e1 p\u0159edb\u011b\u017en\u00e1 \u00faprava<\/td>\nDobr\u00fd a\u017e vynikaj\u00edc\u00ed<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

                  To ukazuje, pro\u010d se investice do p\u0159edb\u011b\u017en\u00e9ho o\u0161et\u0159en\u00ed vyplat\u00ed.<\/p>\n

                  \u010cast\u00e9 chyby v projektech<\/h3>\n

                  N\u011bkte\u0159\u00ed kupuj\u00edc\u00ed po\u017eaduj\u00ed levn\u00e9 lakov\u00e1n\u00ed a vynech\u00e1vaj\u00ed p\u0159edb\u011b\u017enou \u00fapravu. Prvotn\u00ed vzhled vypad\u00e1 dob\u0159e. Po n\u011bkolika m\u011bs\u00edc\u00edch se objev\u00ed z\u00e1vady.<\/p>\n

                  Mezi osv\u011bd\u010den\u00e9 postupy pat\u0159\u00ed:<\/p>\n

                    \n
                  • Kontrola linek p\u0159edb\u011b\u017en\u00e9ho zpracov\u00e1n\u00ed <\/li>\n
                  • Kontrola koncentrace chemick\u00fdch l\u00e1tek <\/li>\n
                  • Sledov\u00e1n\u00ed kvality oplachov\u00e9 vody <\/li>\n<\/ul>\n

                    Tyto kontroly chr\u00e1n\u00ed konzistenci p\u0159ilnavosti.<\/p>\n

                    <\/svg> P\u0159ed\u010di\u0161t\u011bn\u00ed povrchu zlep\u0161uje p\u0159ilnavost povlaku na hlin\u00edkov\u00fdch v\u00fdlisc\u00edch.<\/b>Pravda<\/span><\/p>

                    Odstra\u0148uje ne\u010distoty a zlep\u0161uje lepen\u00ed.<\/p><\/div>\n

                    <\/svg> P\u0159ilnavost n\u00e1t\u011bru nen\u00ed ovlivn\u011bna zne\u010di\u0161t\u011bn\u00edm povrchu.<\/b>False<\/span><\/p>

                    Kontaminace blokuje spr\u00e1vn\u00e9 lepen\u00ed.<\/p><\/div>\n

                    Kter\u00e9 n\u00e1t\u011bry nejl\u00e9pe dr\u017e\u00ed na eloxovan\u00e9m hlin\u00edku?<\/h2>\n

                    Eloxovan\u00fd hlin\u00edk m\u00e1 stabiln\u00ed vrstvu oxidu. Tato vrstva zvy\u0161uje odolnost proti korozi. M\u011bn\u00ed se tak\u00e9 zp\u016fsob spojov\u00e1n\u00ed n\u00e1t\u011br\u016f.<\/p>\n

                    Nejlep\u0161\u00ed p\u0159ilnavost vykazuj\u00ed n\u00e1t\u011bry, kter\u00e9 se chemicky spoj\u00ed nebo mechanicky zakl\u00edn\u00ed do p\u00f3r\u016f eloxovan\u00e9ho hlin\u00edku.<\/strong><\/p>\n

                    \"D\u0159ev\u011bn\u00e9
                    D\u0159ev\u011bn\u00e9 zrno 40mm hlin\u00edkov\u00e9 vytla\u010dovac\u00ed profily<\/figcaption><\/figure>\n<\/p>\n

                    Povaha eloxovan\u00fdch povrch\u016f<\/h3>\n

                    Eloxov\u00e1n\u00ed vytv\u00e1\u0159\u00ed por\u00e9zn\u00ed strukturu oxidu. Tyto p\u00f3ry mohou p\u0159ij\u00edmat barviva nebo tmely. Ovliv\u0148uj\u00ed tak\u00e9 p\u0159ilnavost povlaku.<\/p>\n

                    Nezape\u010det\u011bn\u00e9 eloxov\u00e1n\u00ed umo\u017e\u0148uje lep\u0161\u00ed mechanick\u00e9 ukotven\u00ed. Pln\u011b ut\u011bsn\u011bn\u00e9 povrchy sni\u017euj\u00ed p\u0159ilnavost.<\/p>\n

                    Povlaky b\u011b\u017en\u011b aplikovan\u00e9 na eloxovan\u00fd hlin\u00edk<\/h3>\n

                    Ne v\u0161echny n\u00e1t\u011bry se chovaj\u00ed stejn\u011b.<\/p>\n\n\n\n\n\n\n\n\n
                    Typ povlaku<\/th>\nP\u0159ilnavost na eloxovan\u00e9m povrchu<\/th>\n<\/tr>\n<\/thead>\n
                    Pr\u00e1\u0161kov\u00e9 lakov\u00e1n\u00ed<\/td>\nDobr\u00fd s \u0159\u00e1dnou p\u0159\u00edpravou<\/td>\n<\/tr>\n
                    Epoxidov\u00e1 barva<\/td>\nVelmi dobr\u00e9<\/td>\n<\/tr>\n
                    Akrylov\u00e1 barva<\/td>\nSt\u0159edn\u00ed<\/td>\n<\/tr>\n
                    Na b\u00e1zi silikonu<\/td>\n\u0160patn\u00fd<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

                    Tato tabulka v\u00e1m pom\u016f\u017ee p\u0159i v\u00fdb\u011bru n\u00e1t\u011bru.<\/p>\n

                    P\u0159\u00edprava p\u0159ed lakov\u00e1n\u00edm eloxovan\u00fdch d\u00edl\u016f<\/h3>\n

                    Lehk\u00e9 od\u0159en\u00ed nebo chemick\u00e1 aktivace zlep\u0161uj\u00ed p\u0159ilnavost. Samotn\u00e9 \u010di\u0161t\u011bn\u00ed \u010dasto nesta\u010d\u00ed.<\/p>\n

                    V re\u00e1ln\u00e9 v\u00fdrob\u011b:<\/p>\n

                      \n
                    • Pou\u017e\u00edv\u00e1 se lehk\u00e9 trysk\u00e1n\u00ed <\/li>\n
                    • Chemick\u00e1 aktivace otev\u00edr\u00e1 p\u00f3ry <\/li>\n
                    • Zabr\u00e1n\u00ed se nadm\u011brn\u00e9mu ut\u011bsn\u011bn\u00ed <\/li>\n<\/ul>\n

                      Poznatky z ter\u00e9nn\u00edch aplikac\u00ed<\/h3>\n

                      Projekty selh\u00e1vaj\u00ed, pokud jsou eloxovan\u00e9 d\u00edly pota\u017eeny bez revize. P\u0159edpokl\u00e1d\u00e1 se, \u017ee oxidov\u00e1 vrstva pom\u00e1h\u00e1. Ve skute\u010dnosti m\u016f\u017ee sni\u017eovat lepen\u00ed, pokud je uzav\u0159ena.<\/p>\n

                      Jasn\u00e1 komunikace mezi procesy eloxov\u00e1n\u00ed a nan\u00e1\u0161en\u00ed povlak\u016f je velmi d\u016fle\u017eit\u00e1. Kompatibilita proces\u016f mus\u00ed b\u00fdt ov\u011b\u0159ena p\u0159ed zah\u00e1jen\u00edm s\u00e9riov\u00e9 v\u00fdroby.<\/p>\n

                      <\/svg> Por\u00e9zn\u00ed eloxovan\u00e9 povrchy mohou zlep\u0161it mechanick\u00e9 ukotven\u00ed povlak\u016f.<\/b>Pravda<\/span><\/p>

                      Otev\u0159en\u00e9 p\u00f3ry umo\u017e\u0148uj\u00ed lep\u0161\u00ed lepen\u00ed.<\/p><\/div>\n

                      <\/svg> V\u0161echny n\u00e1t\u011bry stejn\u011b dob\u0159e p\u0159ilnou k ut\u011bsn\u011bn\u00e9mu eloxovan\u00e9mu hlin\u00edku.<\/b>False<\/span><\/p>

                      T\u011bsn\u011bn\u00ed sni\u017euje p\u0159ilnavost mnoha n\u00e1t\u011br\u016f.<\/p><\/div>\n

                      Z\u00e1v\u011br<\/h2>\n

                      P\u0159ilnavost povlaku na hlin\u00edkov\u00fdch v\u00fdlisc\u00edch z\u00e1vis\u00ed na jasn\u00fdch norm\u00e1ch, spr\u00e1vn\u00e9m testov\u00e1n\u00ed, spr\u00e1vn\u00e9m p\u0159ed\u010di\u0161t\u011bn\u00ed a kompatibilit\u011b povlaku. V\u010dasn\u00e9 definov\u00e1n\u00ed po\u017eadavk\u016f na p\u0159ilnavost pom\u00e1h\u00e1 p\u0159edch\u00e1zet odlupov\u00e1n\u00ed, p\u0159epracov\u00e1n\u00ed a dlouhodob\u00e9mu selh\u00e1n\u00ed.<\/p>","protected":false},"excerpt":{"rendered":"

                      China Aluminum Extrusion 6061 6063 Anodized Aluminum Pipe Coatings fail more often from poor adhesion than from poor material choice. Peeling, blistering, and flaking usually appear after installation. Many buyers focus on coating thickness and color. Adhesion is checked too late. Aluminum extrusion coating adhesion depends on surface condition, preparation method, coating type, and test […]<\/p>\n","protected":false},"author":6,"featured_media":6477,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_seopress_titles_title":"","_seopress_titles_desc":"","_seopress_robots_index":"","_seopress_robots_follow":"","_seopress_robots_imageindex":"","_seopress_robots_snippet":"","_seopress_robots_primary_cat":"none","_seopress_robots_breadcrumbs":"","_seopress_robots_freeze_modified_date":"","_seopress_robots_custom_modified_date":"","_seopress_robots_canonical":"","_seopress_social_fb_title":"","_seopress_social_fb_desc":"","_seopress_social_fb_img":"","_seopress_social_fb_img_attachment_id":0,"_seopress_social_fb_img_width":0,"_seopress_social_fb_img_height":0,"_seopress_social_twitter_title":"","_seopress_social_twitter_desc":"","_seopress_social_twitter_img":"","_seopress_social_twitter_img_attachment_id":0,"_seopress_social_twitter_img_width":0,"_seopress_social_twitter_img_height":0,"_seopress_redirections_value":"","_seopress_redirections_enabled":"","_seopress_redirections_enabled_regex":"","_seopress_redirections_logged_status":"both","_seopress_redirections_param":"","_seopress_redirections_type":301,"_seopress_analysis_target_kw":"","_seopress_news_disabled":"","_seopress_video_disabled":"","_seopress_video":[],"_seopress_pro_schemas_manual":[],"_seopress_pro_rich_snippets_disable_all":"","_seopress_pro_rich_snippets_disable":[],"_seopress_pro_schemas":[],"footnotes":""},"categories":[1],"tags":[],"class_list":["post-28455","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-custom-mold"],"meta_box":{"post-to-quiz_to":[]},"_links":{"self":[{"href":"https:\/\/sinoextrud.com\/cs\/wp-json\/wp\/v2\/posts\/28455","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/sinoextrud.com\/cs\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/sinoextrud.com\/cs\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/sinoextrud.com\/cs\/wp-json\/wp\/v2\/users\/6"}],"replies":[{"embeddable":true,"href":"https:\/\/sinoextrud.com\/cs\/wp-json\/wp\/v2\/comments?post=28455"}],"version-history":[{"count":1,"href":"https:\/\/sinoextrud.com\/cs\/wp-json\/wp\/v2\/posts\/28455\/revisions"}],"predecessor-version":[{"id":29627,"href":"https:\/\/sinoextrud.com\/cs\/wp-json\/wp\/v2\/posts\/28455\/revisions\/29627"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/sinoextrud.com\/cs\/wp-json\/wp\/v2\/media\/6477"}],"wp:attachment":[{"href":"https:\/\/sinoextrud.com\/cs\/wp-json\/wp\/v2\/media?parent=28455"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/sinoextrud.com\/cs\/wp-json\/wp\/v2\/categories?post=28455"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/sinoextrud.com\/cs\/wp-json\/wp\/v2\/tags?post=28455"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}