{"id":9853,"date":"2026-02-24T15:11:45","date_gmt":"2026-02-24T07:11:45","guid":{"rendered":"https:\/\/www.packqc.com\/standard\/nf-t54-116-2\/"},"modified":"2026-04-16T09:58:49","modified_gmt":"2026-04-16T01:58:49","slug":"nf-t54-116","status":"publish","type":"standard","link":"https:\/\/www.packqc.com\/cs\/standard\/nf-t54-116\/","title":{"rendered":"NF T54-116"},"content":{"rendered":"

Kl\u00ed\u010dov\u00e9 testovac\u00ed normy<\/h2>\n\n\n\n

The NF T54-116<\/strong> norma specifikuje zku\u0161ebn\u00ed metodu, kter\u00e1 ur\u010duje odolnost f\u00f3lie proti n\u00e1razu<\/strong> m\u011b\u0159en\u00edm energie pot\u0159ebn\u00e9 k prora\u017een\u00ed plastov\u00e9 f\u00f3lie pomoc\u00ed kyvadlov\u00e9ho ramene s p\u016flkulovou n\u00e1razovou hlavic\u00ed. Je srovnateln\u00fd s celosv\u011btov\u011b uzn\u00e1van\u00fdm ASTM D3420<\/strong> standard, kter\u00fd hodnot\u00ed odolnost plastov\u00e9 f\u00f3lie proti kyvadlov\u00e9mu n\u00e1razu<\/strong> na podobn\u00fdch principech. Na str\u00e1nk\u00e1ch Spencerova n\u00e1razov\u00e1 zkou\u0161ka<\/strong> je dal\u0161\u00ed p\u0159\u00edbuznou metodou, kter\u00e1 se hojn\u011b pou\u017e\u00edv\u00e1 v Severn\u00ed Americe a slou\u017e\u00ed jako m\u011b\u0159\u00edtko pro za\u0159\u00edzen\u00ed pro r\u00e1zov\u00e9 zkou\u0161ky spencer<\/strong>.<\/p>\n\n\n\n

A\u010dkoli se jednotliv\u00e9 normy m\u00edrn\u011b li\u0161\u00ed v p\u0159\u00edprav\u011b vzork\u016f, energetick\u00fdch stupnic\u00edch a up\u00ednac\u00edch mechanismech, v\u0161echny se zam\u011b\u0159uj\u00ed na kvantifikaci odolnost plastov\u00e9 f\u00f3lie proti n\u00e1razu<\/strong> opakovateln\u00fdm a p\u0159esn\u00fdm zp\u016fsobem.<\/p>\n\n\n\n

Princip NF T54-116<\/h2>\n\n\n\n

The kyvadlov\u00e1 r\u00e1zov\u00e1 zkou\u0161ka<\/strong> popsan\u00e9 v NF T54-116 zahrnuje:<\/p>\n\n\n\n

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  • A vzorek plastov\u00e9 f\u00f3lie<\/strong> (obvykle 100 \u00d7 100 mm nebo \u00d8100 mm) pevn\u011b upnuty pomoc\u00ed pneumatick\u00e9ho syst\u00e9mu.<\/li>\n\n\n\n
  • Kyvadlo s p\u016flkulov\u00fd n\u00e1razov\u00fd t\u011bleso<\/strong> (b\u011b\u017en\u011b \u00d838,1 mm) se k\u00fdve pod pevn\u00fdm \u00fahlem.<\/li>\n\n\n\n
  • Po n\u00e1razu na vzorek se kyvadlo zbytkov\u00e1 energie<\/strong> se zm\u011b\u0159\u00ed a ode\u010dte od po\u010d\u00e1te\u010dn\u00ed potenci\u00e1ln\u00ed energie.<\/li>\n\n\n\n
  • The absorbovan\u00e1 energie<\/strong> (v joulech), kter\u00e1 vyjad\u0159uje odolnost f\u00f3lie proti prop\u00edchnut\u00ed nebo roztr\u017een\u00ed.<\/li>\n<\/ul>\n\n\n\n

    Hodnoty energie jsou pot\u00e9 normalizov\u00e1ny na tlou\u0161\u0165ku vzorku, aby byla zaji\u0161t\u011bna konzistence u r\u016fzn\u00fdch typ\u016f materi\u00e1l\u016f.<\/p>\n\n\n\n

    Tato metoda je u\u017eite\u010dn\u00e1 zejm\u00e9na pro testov\u00e1n\u00ed flexibiln\u00ed obalov\u00e9 f\u00f3lie, lamin\u00e1ty, bari\u00e9rov\u00e9 materi\u00e1ly<\/strong>, a dokonce zdravotnick\u00e9 vaky<\/strong>, kde je kritick\u00fdm probl\u00e9mem selh\u00e1n\u00ed prop\u00edchnut\u00ed.<\/p>\n\n\n\n

    Aplikace a v\u00fdhody<\/h2>\n\n\n\n

    Porozum\u011bn\u00ed zkou\u0161ka odolnosti proti kyvadlov\u00e9mu n\u00e1razu<\/strong> m\u00e1 z\u00e1sadn\u00ed v\u00fdznam v odv\u011btv\u00edch, jako jsou:<\/p>\n\n\n\n

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    • Obal<\/strong>: Zabra\u0148uje selh\u00e1n\u00ed obalu p\u0159i manipulaci a p\u0159eprav\u011b.<\/li>\n\n\n\n
    • Farmaceutick\u00fd<\/strong>: Zaji\u0161\u0165uje, aby s\u00e1\u010dky s l\u00e9\u010divy a blistry z\u016fstaly neporu\u0161en\u00e9.<\/li>\n\n\n\n
    • J\u00eddlo a n\u00e1poje<\/strong>: Ov\u011b\u0159uje odolnost vakuov\u00fdch a t\u011bsnic\u00edch f\u00f3li\u00ed.<\/li>\n\n\n\n
    • L\u00e9ka\u0159sk\u00e1 za\u0159\u00edzen\u00ed<\/strong>: Ov\u011b\u0159uje integritu steriln\u00ed bari\u00e9ry p\u0159i z\u00e1t\u011b\u017ei.<\/li>\n<\/ul>\n\n\n\n

      Mezi v\u00fdhody t\u00e9to metody pat\u0159\u00ed:<\/p>\n\n\n\n

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      • Kvantitativn\u00ed porovn\u00e1n\u00ed materi\u00e1l\u016f p\u0159i v\u00fdvoji v\u00fdrobku.<\/li>\n\n\n\n
      • Rychl\u00e1 kontrola kvality p\u0159i s\u00e9riov\u00e9 v\u00fdrob\u011b.<\/li>\n\n\n\n
      • Soulad s normami astm pro r\u00e1zov\u00e9 zkou\u0161ky plast\u016f a glob\u00e1ln\u00edmi normami.<\/li>\n<\/ul>\n\n\n\n

        Jak prov\u00e9st zkou\u0161ku odolnosti filmu proti n\u00e1razu <\/h2>\n\n\n\n

        1. P\u0159\u00edprava vzork\u016f<\/strong>
        Roz\u0159\u00edzn\u011bte deset vzork\u016f na po\u017eadovanou velikost (100 \u00d7 100 mm) a kondicionujte je p\u0159i teplot\u011b 23 \u00b0C \u00b1 2 \u00b0C po dobu nejm\u00e9n\u011b 2 hodin.<\/p>\n\n\n\n

        2. Vyberte parametry testu<\/strong>
        Zvolte vhodnou n\u00e1razovou hlavu a protiz\u00e1va\u017e\u00ed podle pevnosti materi\u00e1lu. Ujist\u011bte se, \u017ee absorpce energie je v rozmez\u00ed 10-80% pln\u00e9ho rozsahu.<\/p>\n\n\n\n

        3. Proveden\u00ed testu<\/strong>
        Zajist\u011bte vzorek pomoc\u00ed pneumatick\u00fdch svorek. Uvoln\u011bte kyvadlo a nechte ho dopadnout na st\u0159ed vzorku.<\/p>\n\n\n\n

        4. Z\u00e1znam v\u00fdsledk\u016f<\/strong>
        Ode\u010dt\u011bte absorbovanou energii z \u010d\u00edseln\u00edku. V\u0161imn\u011bte si, zda vzorek vykazuje k\u0159ehk\u00e9 nebo tv\u00e1rn\u00e9 poru\u0161en\u00ed.<\/p>\n\n\n\n

        5. Zpr\u00e1va o zji\u0161t\u011bn\u00edch<\/strong>
        Zahr\u0148te hodnoty energie (J) normalizovan\u00e9 podle tlou\u0161\u0165ky vzorku (\u00b5m), pr\u016fm\u011br, sm\u011brodatnou odchylku a kvalitativn\u00ed pozorov\u00e1n\u00ed, jako je vzhled perforace.<\/p>\n\n\n\n

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