{"id":6552,"date":"2025-03-12T15:27:02","date_gmt":"2025-03-12T07:27:02","guid":{"rendered":"https:\/\/www.qualitester.com\/?page_id=6552"},"modified":"2025-03-12T15:29:18","modified_gmt":"2025-03-12T07:29:18","slug":"astm-d3078","status":"publish","type":"page","link":"https:\/\/www.qualitester.com\/ja\/standards\/astm-d3078\/","title":{"rendered":"ASTM D3078"},"content":{"rendered":"<h1 style=\"text-align: center;\" data-pm-slice=\"1 1 []\">ASTM D3078<\/h1>\n<p data-pm-slice=\"1 1 []\">In the packaging industry, ensuring product integrity is crucial. ASTM D3078, the <strong>\u6c17\u6ce1\u653e\u51fa\u306b\u3088\u308b\u30d5\u30ec\u30ad\u30b7\u30d6\u30eb\u5305\u88c5\u306e\u6f0f\u308c\u306e\u5224\u5b9a\u306e\u305f\u3081\u306e\u6a19\u6e96\u8a66\u9a13\u65b9\u6cd5<\/strong>, is widely used for <strong>leak detection<\/strong> in sealed packages. This method helps manufacturers maintain <a href=\"https:\/\/www.qualitester.com\/ja\/\" target=\"_blank\" rel=\"noopener\"><strong>\u54c1\u8cea\u7ba1\u7406<\/strong><\/a> and compliance with industry standards.<\/p>\n<h2 data-pm-slice=\"1 1 []\">ASTM D3078\u3068\u306f\u4f55\u3067\u3059\u304b\uff1f<\/h2>\n<p data-pm-slice=\"1 1 []\"><a href=\"https:\/\/www.qualitester.com\/ja\/%e8%a3%bd%e5%93%81%e3%82%ab%e3%83%86%e3%82%b4%e3%83%aa\/astm\/astm-d3078\/\" target=\"_blank\" rel=\"noopener\">ASTM D3078<\/a> is a <strong>non-destructive<\/strong> testing method designed to detect leaks in <strong>flexible packaging<\/strong> through <strong>bubble emission<\/strong> when subjected to vacuum conditions. It is particularly effective for identifying seal integrity issues in <strong>food, pharmaceutical, and medical packaging<\/strong>.<\/p>\n<h2 data-pm-slice=\"1 1 []\">Bubble Emission Test: Principle and Equipment<\/h2>\n<p data-pm-slice=\"1 1 []\">\u306e <strong>\u30d0\u30d6\u30eb\u653e\u51fa\u8a66\u9a13<\/strong> relies on visual detection of air escaping from a submerged package under vacuum pressure. The necessary equipment includes:<\/p>\n<ul data-spread=\"false\">\n<li><strong>\u771f\u7a7a\u30c1\u30e3\u30f3\u30d0\u30fc<\/strong>: A transparent, vacuum-tight container with an inlet\/outlet valve and a vacuum gauge.<\/li>\n<li><strong>Test Fluid<\/strong>: Usually <strong>water<\/strong> or a surfactant solution.<\/li>\n<li><strong>Specimens<\/strong>: Flexible packaging with or without contents.<\/li>\n<\/ul>\n<h2>Bubble Leak Test Procedure<\/h2>\n<p>\u306e <strong>\u6c17\u6ce1\u30ea\u30fc\u30af\u30c6\u30b9\u30c8\u624b\u9806<\/strong> follows these steps:<\/p>\n<ol start=\"1\" data-spread=\"false\">\n<li><strong>\u6e96\u5099<\/strong>: Ensure the test specimen and fluid are at <strong>room temperature<\/strong>.<\/li>\n<li><strong>\u6c34\u6ca1<\/strong>: Place the specimen in the vacuum chamber and <strong>fully submerge<\/strong> it in test fluid (at least <strong>1 inch\/25 mm<\/strong> of coverage).<\/li>\n<li><strong>Vacuum Application<\/strong>:\n<ul data-spread=\"false\">\n<li>Seal the chamber and slowly <strong>apply vacuum<\/strong> at approximately <strong>1 in. Hg\/s<\/strong>.<\/li>\n<li>Observe for <strong>continuous bubbling<\/strong>, which indicates a leak.<\/li>\n<\/ul>\n<\/li>\n<li><strong>Hold and Observation<\/strong>:\n<ul data-spread=\"false\">\n<li>Maintain vacuum for at least <strong>30 seconds<\/strong>.<\/li>\n<li>Check for <strong>fluid ingress<\/strong> inside the package.<\/li>\n<\/ul>\n<\/li>\n<li><strong>Release and Examination<\/strong>: Remove the vacuum, retrieve the specimen, and inspect for test fluid inside.<\/li>\n<\/ol>\n<h3>\u7d50\u679c\u306e\u89e3\u91c8<\/h3>\n<ul data-spread=\"false\">\n<li><strong>Fails Test<\/strong>: If continuous bubbles appear or fluid enters the package.<\/li>\n<li><strong>Passes Test<\/strong>: If no bubbles or fluid penetration occurs.<\/li>\n<\/ul>\n<h2>Significance of ASTM D3078 in Packaging Quality Control<\/h2>\n<ol start=\"1\" data-spread=\"false\">\n<li><strong>\u88fd\u54c1\u306e\u5b89\u5168\u6027\u3092\u78ba\u4fdd\u3057\u307e\u3059<\/strong>: Prevents contamination in <strong>food and pharmaceutical packaging<\/strong>.<\/li>\n<li><strong>Enhances Compliance<\/strong>: Meets industry regulations and <strong>\u54c1\u8cea\u4fdd\u8a3c<\/strong> \u306e\u57fa\u6e96\u3092\u6e80\u305f\u3059\u3002.<\/li>\n<li><strong>Improves Packaging Integrity<\/strong>: Detects <strong>manufacturing defects<\/strong> early.<\/li>\n<li><strong>\u30b3\u30b9\u30c8\u52b9\u7387\u304c\u9ad8\u3044<\/strong>: Offers a <strong>quick, reliable<\/strong> method for routine testing.<\/li>\n<\/ol>\n<h2>\u5236\u9650\u4e8b\u9805\u3068\u8003\u616e\u4e8b\u9805<\/h2>\n<ul data-spread=\"false\">\n<li>Not suitable for <strong>rigid or semi-rigid<\/strong> packages.<\/li>\n<li><strong>Volume expansion<\/strong> of highly flexible packages can <strong>reduce test sensitivity<\/strong>.<\/li>\n<li>Vacuum level should be adjusted to <strong>avoid damaging fragile packages<\/strong>.<\/li>\n<\/ul>\n<p>ASTM D3078 is a crucial <strong>leak detection method<\/strong> for flexible packaging, ensuring <strong>product integrity and compliance<\/strong>. .\u305d\u306e <strong>\u30d0\u30d6\u30eb\u653e\u51fa\u8a66\u9a13<\/strong> provides an effective way to identify seal failures, helping manufacturers maintain high <strong>quality standards<\/strong> in their packaging processes.<\/p>","protected":false},"excerpt":{"rendered":"<p>ASTM D3078 \u5305\u88c5\u696d\u754c\u306b\u304a\u3044\u3066\u3001\u88fd\u54c1\u306e\u5b8c\u5168\u6027\u3092\u78ba\u4fdd\u3059\u308b\u3053\u3068\u306f\u6975\u3081\u3066\u91cd\u8981\u3067\u3059\u3002\u300c\u6c17\u6ce1\u653e\u51fa\u6cd5\u306b\u3088\u308b\u8edf\u5305\u88c5\u306e\u6f0f\u308c\u691c\u67fb\u306b\u95a2\u3059\u308b\u6a19\u6e96\u8a66\u9a13\u65b9\u6cd5\u300d\u3067\u3042\u308bASTM D3078\u306f\u3001\u5bc6\u5c01\u5305\u88c5\u306e\u6f0f\u308c\u691c\u51fa\u306b\u5e83\u304f\u5229\u7528\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u3053\u306e\u65b9\u6cd5\u306f\u3001\u88fd\u9020\u696d\u8005\u304c\u54c1\u8cea\u7ba1\u7406\u3092\u7dad\u6301\u3057\u3001\u696d\u754c\u57fa\u6e96\u306b\u6e96\u62e0\u3059\u308b\u306e\u306b\u5f79\u7acb\u3061\u307e\u3059\u3002 ASTM D3078\u3068\u306f\uff1f ASTM D3078\u306f\u3001\u771f\u7a7a\u72b6\u614b\u306b\u7f6e\u304b\u308c\u305f\u67d4\u8edf\u5305\u88c5\u304b\u3089\u6c17\u6ce1\u304c\u653e\u51fa\u3055\u308c\u308b\u73fe\u8c61\u3092\u5229\u7528\u3057\u3066\u6f0f\u308c\u3092\u691c\u51fa\u3059\u308b\u3088\u3046\u306b\u8a2d\u8a08\u3055\u308c\u305f\u975e\u7834\u58ca\u691c\u67fb\u6cd5\u3067\u3059\u3002\u98df\u54c1\u3001\u533b\u85ac\u54c1\u3001\u533b\u7642\u7528\u5305\u88c5\u306b\u304a\u3051\u308b\u30b7\u30fc\u30eb\u306e\u5b8c\u5168\u6027\u306e\u554f\u984c\u3092\u7279\u5b9a\u3059\u308b\u306e\u306b\u7279\u306b\u6709\u52b9\u3067\u3059\u3002 \u6c17\u6ce1\u653e\u51fa\u8a66\u9a13\uff1a\u539f\u7406\u3068\u88c5\u7f6e \u6c17\u6ce1\u653e\u51fa\u8a66\u9a13\u306f\u3001\u6c34\u4e2d\u306b\u6c88\u3081\u3089\u308c\u305f\u30d1\u30c3\u30b1\u30fc\u30b8\u304b\u3089\u6f0f\u308c\u51fa\u308b\u7a7a\u6c17\u3092\u76ee\u8996\u3067\u691c\u51fa\u3059\u308b\u3082\u306e\u3067\u3059\u2026\u2026<\/p>\n<p class=\"read-more\"> <a class=\"\" href=\"https:\/\/www.qualitester.com\/ja\/standards\/astm-d3078\/\"> <span class=\"screen-reader-text\">ASTM D3078<\/span> \u3082\u3063\u3068\u8aad\u3080 \"<\/a><\/p>","protected":false},"author":4,"featured_media":0,"parent":4948,"menu_order":42,"comment_status":"closed","ping_status":"closed","template":"","meta":{"site-sidebar-layout":"default","site-content-layout":"default","ast-global-header-display":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"disabled","ast-breadcrumbs-content":"","ast-featured-img":"disabled","footer-sml-layout":"","theme-transparent-header-meta":"default","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","footnotes":""},"class_list":["post-6552","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.qualitester.com\/ja\/wp-json\/wp\/v2\/pages\/6552","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.qualitester.com\/ja\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.qualitester.com\/ja\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www.qualitester.com\/ja\/wp-json\/wp\/v2\/users\/4"}],"replies":[{"embeddable":true,"href":"https:\/\/www.qualitester.com\/ja\/wp-json\/wp\/v2\/comments?post=6552"}],"version-history":[{"count":0,"href":"https:\/\/www.qualitester.com\/ja\/wp-json\/wp\/v2\/pages\/6552\/revisions"}],"up":[{"embeddable":true,"href":"https:\/\/www.qualitester.com\/ja\/wp-json\/wp\/v2\/pages\/4948"}],"wp:attachment":[{"href":"https:\/\/www.qualitester.com\/ja\/wp-json\/wp\/v2\/media?parent=6552"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}