{"id":2594,"date":"2026-04-27T09:06:04","date_gmt":"2026-04-27T09:06:04","guid":{"rendered":"https:\/\/www.pharmacopoeiatest.com\/?p=2594"},"modified":"2026-04-27T09:07:46","modified_gmt":"2026-04-27T09:07:46","slug":"usp-381","status":"publish","type":"post","link":"https:\/\/www.pharmacopoeiatest.com\/nl\/usp-381\/","title":{"rendered":"USP 381"},"content":{"rendered":"<div data-elementor-type=\"wp-post\" data-elementor-id=\"2594\" class=\"elementor elementor-2594\" data-elementor-post-type=\"post\">\n\t\t\t\t<div class=\"elementor-element elementor-element-74ebbd5 e-flex e-con-boxed e-con e-parent\" data-id=\"74ebbd5\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-91c17fd elementor-widget elementor-widget-heading\" data-id=\"91c17fd\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h1 class=\"elementor-heading-title elementor-size-default\">Functionaliteitstest van elastomeerafsluitingen<\/h1>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-4fe14a5 elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"4fe14a5\" data-element_type=\"widget\" data-widget_type=\"divider.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-divider\">\n\t\t\t<span class=\"elementor-divider-separator\">\n\t\t\t\t\t\t<\/span>\n\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-4a8a222 elementor-widget elementor-widget-heading\" data-id=\"4a8a222\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">USP 381<\/h2>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-dde678c e-flex e-con-boxed e-con e-parent\" data-id=\"dde678c\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-273bb55 elementor-widget elementor-widget-text-editor\" data-id=\"273bb55\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p data-start=\"5987\" data-end=\"6520\">USP 381 beschrijft de functionele testvereisten voor elastomere sluitingen, met de nadruk op doorprikbaarheid, fragmentatie en zelfafdichtende eigenschappen. Deze tests simuleren re\u00eble gebruiksomstandigheden om te waarborgen dat de sluitingen hun integriteit behouden, verontreiniging voorkomen en een veilige naaldpenetratie mogelijk maken. Om aan deze eisen te voldoen, zijn nauwkeurige krachtmetingen, gecontroleerde doorprikprocedures en betrouwbare lekdetectie vereist. De juiste instrumentatie en gestandaardiseerde methoden helpen fabrikanten om aan de wettelijke eisen te voldoen en de veiligheid van farmaceutische verpakkingen te waarborgen.<\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-57e0b85 elementor-widget elementor-widget-heading\" data-id=\"57e0b85\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Functionaliteitstest van elastomeerafsluitingen<\/h2>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-fe4166a elementor-widget elementor-widget-text-editor\" data-id=\"fe4166a\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p data-start=\"1199\" data-end=\"1298\">De <strong data-start=\"1203\" data-end=\"1246\">functietest van elastomere afsluitingen<\/strong> In USP 381 worden drie belangrijke prestatieaspecten beoordeeld:<\/p><ul data-start=\"1300\" data-end=\"1367\"><li data-section-id=\"cecj6\" data-start=\"1300\" data-end=\"1319\"><strong data-start=\"1302\" data-end=\"1319\">Doordringbaarheid<\/strong><\/li><li data-section-id=\"1jwi34l\" data-start=\"1320\" data-end=\"1339\"><strong data-start=\"1322\" data-end=\"1339\">Fragmentatie<\/strong><\/li><li data-section-id=\"1pqh1g6\" data-start=\"1340\" data-end=\"1367\"><strong data-start=\"1342\" data-end=\"1367\">Zelfafdichtend vermogen<\/strong><\/li><\/ul><p data-start=\"1369\" data-end=\"1600\">Deze tests simuleren de werkelijke gebruiksomstandigheden, met name het inbrengen van de naald bij het toedienen van geneesmiddelen. Een goede voorbereiding van de monsters is van essentieel belang, aangezien de afsluitingen v\u00f3\u00f3r de test volgens de voorgeschreven procedures moeten worden behandeld en gedroogd.<\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-95ce1a1 elementor-widget elementor-widget-heading\" data-id=\"95ce1a1\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Penetratietest voor rubberen stoppen<\/h2>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-75c69a1 e-con-full e-flex e-con e-child\" data-id=\"75c69a1\" data-element_type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-ec04e8e elementor-widget elementor-widget-text-editor\" data-id=\"ec04e8e\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p data-start=\"1650\" data-end=\"1771\">De <strong data-start=\"1654\" data-end=\"1696\">doorlaatbaarheidstest voor rubberen stoppen<\/strong> meet de kracht die nodig is om de sluiting met een injectienaald te doorboren.<\/p><h3 data-section-id=\"oz1o92\" data-start=\"1773\" data-end=\"1793\">Testprincipe<\/h3><p data-start=\"1794\" data-end=\"1965\">Een gestandaardiseerde naald (lange schuine kant, 12 \u00b1 2\u00b0) dringt verticaal door de sluiting heen. De test meet de weerstandskracht, die rechtstreeks van invloed is op de bruikbaarheid in klinische situaties.<\/p><h3 data-section-id=\"wq11jx\" data-start=\"1967\" data-end=\"1989\">Belangrijkste vereisten<\/h3><ul data-start=\"1990\" data-end=\"2100\"><li data-section-id=\"10c22n3\" data-start=\"1990\" data-end=\"2027\">Maximaal toegestane kracht: <strong data-start=\"2017\" data-end=\"2027\">\u2264 10 N<\/strong><\/li><li data-section-id=\"1ez278j\" data-start=\"2028\" data-end=\"2063\">Meetnauwkeurigheid: <strong data-start=\"2052\" data-end=\"2063\">\u00b10,25 N<\/strong><\/li><li data-section-id=\"1yge908\" data-start=\"2064\" data-end=\"2100\">Elke afsluiting maakt gebruik van een <strong data-start=\"2086\" data-end=\"2100\">nieuwe naald<\/strong><\/li><\/ul><h3 data-section-id=\"1hksdyr\" data-start=\"2102\" data-end=\"2125\">Praktisch inzicht<\/h3><p data-start=\"2126\" data-end=\"2164\">Een te grote indringkracht kan leiden tot:<\/p><ul data-start=\"2165\" data-end=\"2285\"><li data-section-id=\"xe8wie\" data-start=\"2165\" data-end=\"2202\">Moeilijkheden bij het toedienen van geneesmiddelen<\/li><li data-section-id=\"1nab9ao\" data-start=\"2203\" data-end=\"2231\">Verbuiging of beschadiging van de naald<\/li><li data-section-id=\"1vqzmwf\" data-start=\"2232\" data-end=\"2285\">Slechte gebruikerservaring voor zorgverleners<\/li><\/ul><h3 data-section-id=\"1gkez9i\" data-start=\"2287\" data-end=\"2315\">Aanbevolen instrument<\/h3><p data-start=\"2316\" data-end=\"2558\">De <strong data-start=\"2320\" data-end=\"2370\">Cell Instruments NPT-01 naaldpunctietester<\/strong> biedt nauwkeurige krachtmeting met geregelde snelheid en verplaatsing. De programmeerbare testparameters garanderen naleving van USP 381 en zorgen tegelijkertijd voor een betere herhaalbaarheid en effici\u00ebntie.<\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-e77be2a elementor-widget elementor-widget-image\" data-id=\"e77be2a\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/www.pharmacopoeiatest.com\/nl\/category\/product\/puncture-test\/\">\n\t\t\t\t\t\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"519\" height=\"1024\" src=\"https:\/\/www.pharmacopoeiatest.com\/wp-content\/uploads\/2026\/04\/USP-381-vial-stopper-functionality-test-Penetrability-Test-for-Rubber-Stoppers-519x1024.webp\" class=\"attachment-large size-large wp-image-2597\" alt=\"USP 381: functionaliteitstest voor flessenstoppen \u2013 Penetrabiliteitstest voor rubberen stoppen\" srcset=\"https:\/\/www.pharmacopoeiatest.com\/wp-content\/uploads\/2026\/04\/USP-381-vial-stopper-functionality-test-Penetrability-Test-for-Rubber-Stoppers-519x1024.webp 519w, https:\/\/www.pharmacopoeiatest.com\/wp-content\/uploads\/2026\/04\/USP-381-vial-stopper-functionality-test-Penetrability-Test-for-Rubber-Stoppers-152x300.webp 152w, https:\/\/www.pharmacopoeiatest.com\/wp-content\/uploads\/2026\/04\/USP-381-vial-stopper-functionality-test-Penetrability-Test-for-Rubber-Stoppers-768x1514.webp 768w, https:\/\/www.pharmacopoeiatest.com\/wp-content\/uploads\/2026\/04\/USP-381-vial-stopper-functionality-test-Penetrability-Test-for-Rubber-Stoppers-779x1536.webp 779w, https:\/\/www.pharmacopoeiatest.com\/wp-content\/uploads\/2026\/04\/USP-381-vial-stopper-functionality-test-Penetrability-Test-for-Rubber-Stoppers-1039x2048.webp 1039w, https:\/\/www.pharmacopoeiatest.com\/wp-content\/uploads\/2026\/04\/USP-381-vial-stopper-functionality-test-Penetrability-Test-for-Rubber-Stoppers-6x12.webp 6w, https:\/\/www.pharmacopoeiatest.com\/wp-content\/uploads\/2026\/04\/USP-381-vial-stopper-functionality-test-Penetrability-Test-for-Rubber-Stoppers-scaled.webp 1299w\" sizes=\"(max-width: 519px) 100vw, 519px\" \/>\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-feea50e elementor-widget elementor-widget-heading\" data-id=\"feea50e\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Fragmentatietest<\/h2>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-bc23b60 elementor-widget elementor-widget-text-editor\" data-id=\"bc23b60\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p data-start=\"2588\" data-end=\"2684\">Bij de fragmentatietest wordt nagegaan of er rubberdeeltjes vrijkomen bij herhaalde naaldprikken.<\/p><h3 data-section-id=\"1ql2t3y\" data-start=\"2686\" data-end=\"2715\">Overzicht van de testprocedure<\/h3><ul data-start=\"2716\" data-end=\"2930\"><li data-section-id=\"1yd303t\" data-start=\"2716\" data-end=\"2765\">De sluitingen worden op de flacons aangebracht en geconditioneerd<\/li><li data-section-id=\"1uvvl40\" data-start=\"2766\" data-end=\"2833\">Elke sluiting is doorboord <strong data-start=\"2794\" data-end=\"2831\">vier keer op verschillende locaties<\/strong><\/li><li data-section-id=\"uwdzxz\" data-start=\"2834\" data-end=\"2896\">De gewonnen vloeistof wordt gefilterd door een <strong data-start=\"2875\" data-end=\"2894\">filter van \u2264 0,5 \u03bcm<\/strong><\/li><li data-section-id=\"8cha51\" data-start=\"2897\" data-end=\"2930\">Zichtbare deeltjes worden geteld<\/li><\/ul><h3 data-section-id=\"5d1q1o\" data-start=\"2932\" data-end=\"2957\">Acceptatiecriteria<\/h3><ul data-start=\"2958\" data-end=\"2999\"><li data-section-id=\"xvrylq\" data-start=\"2958\" data-end=\"2999\"><strong data-start=\"2960\" data-end=\"2999\">Niet meer dan vijf zichtbare fragmenten<\/strong><\/li><\/ul><h3 data-section-id=\"158i3g5\" data-start=\"3001\" data-end=\"3021\">Waarom het belangrijk is<\/h3><p data-start=\"3022\" data-end=\"3126\">Fragmentatie vormt een direct risico op besmetting. Deeltjes die in injecteerbare geneesmiddelen terechtkomen, kunnen leiden tot:<\/p><ul data-start=\"3127\" data-end=\"3203\"><li data-section-id=\"1xfrf68\" data-start=\"3127\" data-end=\"3153\">Risico\u2019s voor de pati\u00ebntveiligheid<\/li><li data-section-id=\"10i7v7z\" data-start=\"3154\" data-end=\"3183\">Niet-naleving van regelgeving<\/li><li data-section-id=\"dwfxol\" data-start=\"3184\" data-end=\"3203\">Terugroepen van producten<\/li><\/ul><p data-start=\"3205\" data-end=\"3313\"><strong data-start=\"3205\" data-end=\"3233\">Microscopische verificatie<\/strong> wordt gebruikt wanneer de identificatie van de deeltjes onzeker is, waardoor de betrouwbaarheid van het resultaat wordt gewaarborgd.<\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-c29c0a8 elementor-widget elementor-widget-heading\" data-id=\"c29c0a8\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Test op zelfafdichtende eigenschappen van elastomeer afsluitingen<\/h2>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-f3d6a1d e-con-full e-flex e-con e-child\" data-id=\"f3d6a1d\" data-element_type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-b26648c elementor-widget elementor-widget-text-editor\" data-id=\"b26648c\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p data-start=\"3362\" data-end=\"3474\">De <strong data-start=\"3366\" data-end=\"3407\">test op de zelfafdichtende werking van elastomere afsluitingen<\/strong> controleert of de sluiting na meerdere doorboringen weer goed afsluit.<\/p><h3 data-section-id=\"oh8qbz\" data-start=\"3476\" data-end=\"3493\">Testmethode<\/h3><ul data-start=\"3494\" data-end=\"3674\"><li data-section-id=\"ggzab5\" data-start=\"3494\" data-end=\"3536\">Elke sluiting is doorboord <strong data-start=\"3522\" data-end=\"3534\">10 keer<\/strong><\/li><li data-section-id=\"pmo2fq\" data-start=\"3537\" data-end=\"3595\">De flesjes worden ondergedompeld in <strong data-start=\"3561\" data-end=\"3593\">0,11 TP3T-methyleenblauwoplossing<\/strong><\/li><li data-section-id=\"ae9dix\" data-start=\"3596\" data-end=\"3633\">Een vacu\u00fcm van <strong data-start=\"3610\" data-end=\"3620\">27 kPa<\/strong> wordt toegepast<\/li><li data-section-id=\"1296mch\" data-start=\"3634\" data-end=\"3674\">De monsters worden onderzocht op het binnendringen van kleurstof<\/li><\/ul><h3 data-section-id=\"5d1q1o\" data-start=\"3676\" data-end=\"3701\">Acceptatiecriteria<\/h3><ul data-start=\"3702\" data-end=\"3738\"><li data-section-id=\"7544vr\" data-start=\"3702\" data-end=\"3738\"><strong data-start=\"3704\" data-end=\"3738\">In geen enkel flesje is kleurstof doorgedrongen<\/strong><\/li><\/ul><h3 data-section-id=\"1w86a7q\" data-start=\"3740\" data-end=\"3761\">Inzicht in testen<\/h3><p data-start=\"3762\" data-end=\"3844\">Deze test simuleert het gebruik van flacons met meerdere doses. Een slechte afdichting kan leiden tot:<\/p><ul data-start=\"3845\" data-end=\"3917\"><li data-section-id=\"u9or8\" data-start=\"3845\" data-end=\"3872\">Microbi\u00eble besmetting<\/li><li data-section-id=\"zpsekz\" data-start=\"3873\" data-end=\"3894\">Verlies van steriliteit<\/li><li data-section-id=\"76r0zi\" data-start=\"3895\" data-end=\"3917\">Kortere houdbaarheid<\/li><\/ul><h3 data-section-id=\"1gkez9i\" data-start=\"3919\" data-end=\"3947\">Aanbevolen instrument<\/h3><p data-start=\"3948\" data-end=\"4182\">De <strong data-start=\"3952\" data-end=\"3990\">Cell Instruments LT-03 lektester<\/strong> biedt een stabiele vacu\u00fcmregeling en visuele detectie, waardoor het apparaat bij uitstek geschikt is voor het testen op het binnendringen van methyleenblauw. De aanpasbare kamers zijn geschikt voor flacons van verschillende afmetingen, wat de flexibiliteit bij het testen vergroot.<\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-5db9dc5 elementor-widget elementor-widget-image\" data-id=\"5db9dc5\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/www.pharmacopoeiatest.com\/nl\/vacuum-leak-tester-for-syringe-plunger-stopper-and-seal\/\">\n\t\t\t\t\t\t\t<img decoding=\"async\" width=\"589\" height=\"1024\" src=\"https:\/\/www.pharmacopoeiatest.com\/wp-content\/uploads\/2026\/04\/Leak-tester-for-uso-381-Elastomeric-Closure-Self-Sealing-Test-589x1024.webp\" class=\"attachment-large size-large wp-image-2598\" alt=\"Lektester voor USP 381: test op zelfafdichtende eigenschappen van elastomeer sluitingen\" srcset=\"https:\/\/www.pharmacopoeiatest.com\/wp-content\/uploads\/2026\/04\/Leak-tester-for-uso-381-Elastomeric-Closure-Self-Sealing-Test-589x1024.webp 589w, https:\/\/www.pharmacopoeiatest.com\/wp-content\/uploads\/2026\/04\/Leak-tester-for-uso-381-Elastomeric-Closure-Self-Sealing-Test-173x300.webp 173w, https:\/\/www.pharmacopoeiatest.com\/wp-content\/uploads\/2026\/04\/Leak-tester-for-uso-381-Elastomeric-Closure-Self-Sealing-Test-768x1336.webp 768w, https:\/\/www.pharmacopoeiatest.com\/wp-content\/uploads\/2026\/04\/Leak-tester-for-uso-381-Elastomeric-Closure-Self-Sealing-Test-883x1536.webp 883w, https:\/\/www.pharmacopoeiatest.com\/wp-content\/uploads\/2026\/04\/Leak-tester-for-uso-381-Elastomeric-Closure-Self-Sealing-Test-1178x2048.webp 1178w, https:\/\/www.pharmacopoeiatest.com\/wp-content\/uploads\/2026\/04\/Leak-tester-for-uso-381-Elastomeric-Closure-Self-Sealing-Test-7x12.webp 7w, https:\/\/www.pharmacopoeiatest.com\/wp-content\/uploads\/2026\/04\/Leak-tester-for-uso-381-Elastomeric-Closure-Self-Sealing-Test-scaled.webp 1472w\" sizes=\"(max-width: 589px) 100vw, 589px\" \/>\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-0cae69b elementor-widget elementor-widget-text-editor\" data-id=\"0cae69b\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p data-start=\"6536\" data-end=\"6949\">Zorg ervoor dat wordt voldaan aan <a href=\"https:\/\/www.uspnf.com\/sites\/default\/files\/usp_pdf\/EN\/USPNF\/revisions\/381_elastomeric_closure_for_injections_rb_notice.pdf\" target=\"_blank\" rel=\"noopener\">USP 381<\/a> door nauwkeurige doorlaatbaarheids-, fragmentatie- en zelfafdichtingstests uit te voeren. Met geavanceerde instrumenten zoals de NPT-01 en LT-03 kunnen laboratoria nauwkeurige, herhaalbare en effici\u00ebnte tests uitvoeren. Optimaliseer uw kwaliteitscontroleproces, beperk risico\u2019s en voldoe aan wereldwijde farmaceutische normen met betrouwbare testoplossingen voor elastomeersluitingen, afgestemd op de behoeften van uw toepassing.<\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>","protected":false},"excerpt":{"rendered":"<p>Functionaliteitstest voor elastomere afsluitingen \u2013 USP 381 USP 381 beschrijft de eisen voor functionele tests van elastomere afsluitingen, met de nadruk op doorboorbaarheid, fragmentatie en zelfafdichtend vermogen. Deze tests simuleren re\u00eble gebruiksomstandigheden om te waarborgen dat de afsluitingen hun integriteit behouden, verontreiniging voorkomen en een veilige naaldpenetratie mogelijk maken. Om aan de eisen te voldoen, zijn nauwkeurige krachtmetingen, gecontroleerde doorprikprocedures en betrouwbare lekdetectie vereist. De juiste instrumentatie en [\u2026]<\/p>","protected":false},"author":2,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_uag_custom_page_level_css":"","site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""}},"footnotes":""},"categories":[26],"tags":[],"class_list":["post-2594","post","type-post","status-publish","format-standard","hentry","category-blog"],"acf":[],"uagb_featured_image_src":{"full":false,"thumbnail":false,"medium":false,"medium_large":false,"large":false,"1536x1536":false,"2048x2048":false,"trp-custom-language-flag":false},"uagb_author_info":{"display_name":"pharmacopoeiatest","author_link":"https:\/\/www.pharmacopoeiatest.com\/nl\/author\/pharmacopoeiatest\/"},"uagb_comment_info":0,"uagb_excerpt":"Elastomeric Closures Functionality Test USP 381 USP 381 defines functional testing requirements for elastomeric closures, focusing on penetrability, fragmentation, and self-sealing performance. These tests simulate real usage conditions to ensure closures maintain integrity, prevent contamination, and allow safe needle penetration. Compliance requires precise force measurement, controlled puncture procedures, and reliable leak detection. Proper instrumentation and&hellip;","_links":{"self":[{"href":"https:\/\/www.pharmacopoeiatest.com\/nl\/wp-json\/wp\/v2\/posts\/2594","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.pharmacopoeiatest.com\/nl\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.pharmacopoeiatest.com\/nl\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.pharmacopoeiatest.com\/nl\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.pharmacopoeiatest.com\/nl\/wp-json\/wp\/v2\/comments?post=2594"}],"version-history":[{"count":6,"href":"https:\/\/www.pharmacopoeiatest.com\/nl\/wp-json\/wp\/v2\/posts\/2594\/revisions"}],"predecessor-version":[{"id":2605,"href":"https:\/\/www.pharmacopoeiatest.com\/nl\/wp-json\/wp\/v2\/posts\/2594\/revisions\/2605"}],"wp:attachment":[{"href":"https:\/\/www.pharmacopoeiatest.com\/nl\/wp-json\/wp\/v2\/media?parent=2594"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.pharmacopoeiatest.com\/nl\/wp-json\/wp\/v2\/categories?post=2594"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.pharmacopoeiatest.com\/nl\/wp-json\/wp\/v2\/tags?post=2594"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}