{"id":292,"date":"2026-02-04T07:35:39","date_gmt":"2026-02-04T07:35:39","guid":{"rendered":"https:\/\/www.bottletest.com\/?post_type=product&#038;p=292"},"modified":"2026-02-05T08:13:37","modified_gmt":"2026-02-05T08:13:37","slug":"top-load-tester","status":"publish","type":"product","link":"https:\/\/www.bottletest.com\/uk\/product\/top-load-tester\/","title":{"rendered":"TLT-01 \u0422\u0435\u0441\u0442\u0435\u0440 \u043c\u0430\u043a\u0441\u0438\u043c\u0430\u043b\u044c\u043d\u043e\u0433\u043e \u043d\u0430\u0432\u0430\u043d\u0442\u0430\u0436\u0435\u043d\u043d\u044f"},"content":{"rendered":"<h2 class=\"wp-block-heading\">Vertical Load Test for Bottle: Purpose and Practical Meaning<\/h2>\n\n\n\n<p>\u0423 \"The <strong>\u0422\u0435\u0441\u0442 \u043d\u0430 \u0432\u0435\u0440\u0442\u0438\u043a\u0430\u043b\u044c\u043d\u0435 \u043d\u0430\u0432\u0430\u043d\u0442\u0430\u0436\u0435\u043d\u043d\u044f \u0434\u043b\u044f \u043f\u043b\u044f\u0448\u043a\u0438<\/strong> focuses on how a container behaves when a compressive force is applied along its central axis. This loading condition simulates real-world stresses such as pallet stacking, warehouse storage, and top pressure during transportation.<\/p>\n\n\n\n<p>Key performance indicators obtained from a top load tester include:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Maximum vertical load capacity<\/strong> before deformation or failure<\/li>\n\n\n\n<li><strong>Yield load<\/strong>, where structural stiffness begins to decrease<\/li>\n\n\n\n<li><strong>Deformation behavior<\/strong> under controlled compression<\/li>\n\n\n\n<li><strong>Failure mode<\/strong>, such as buckling or brittle fracture<\/li>\n<\/ul>\n\n\n\n<p>For glass containers, the test emphasizes resistance to sudden breakage. For plastic bottles, the test reveals ductility, stiffness, and design robustness.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Top Load Test for Bottles According to ASTM D2659<\/h2>\n\n\n\n<p>\u0423 \"The <strong>top load test for bottles<\/strong> made from thermoplastics follows the principles defined in <strong>ASTM D2659<\/strong>, which addresses column crush properties of blown plastic containers.<\/p>\n\n\n\n<p>ASTM D2659 specifies testing under a <strong>constant compressive deflection rate<\/strong>, ensuring that results remain comparable across laboratories. The method focuses on:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u041d\u0430\u0432\u0430\u043d\u0442\u0430\u0436\u0435\u043d\u043d\u044f \u0432\u0438\u0445\u043e\u0434\u0443 \u043f\u0440\u0438 \u0434\u0440\u043e\u0431\u043b\u0435\u043d\u043d\u0456<\/li>\n\n\n\n<li>\u041f\u0440\u043e\u0433\u0438\u043d \u043f\u0440\u0438 \u0432\u0438\u0445\u043e\u0434\u0456<\/li>\n\n\n\n<li>Crushing load at failure<\/li>\n\n\n\n<li>\u0412\u0438\u0434\u0438\u043c\u0430 \u0436\u043e\u0440\u0441\u0442\u043a\u0456\u0441\u0442\u044c \u043d\u0430 \u0440\u043e\u0437\u0447\u0430\u0432\u043b\u044e\u0432\u0430\u043d\u043d\u044f<\/li>\n<\/ul>\n\n\n\n<p>A compliant top load tester must maintain a <strong>stable and controllable test speed<\/strong>, typically between 12.5 mm\/min and 50 mm\/min. Proper specimen alignment and venting play a decisive role in test accuracy and safety.<\/p>\n\n\n\n<p>By following ASTM D2659, packaging engineers can use top load data for <strong>quality control, acceptance testing, and R&amp;D comparisons<\/strong>, especially when evaluating design changes or material substitutions.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Bottle Vertical Load Testing Based on ISO 8113<\/h2>\n\n\n\n<p>For glass packaging, <strong>ISO 8113<\/strong> defines the standardized method to measure resistance to vertical load. This international standard ensures consistency when evaluating bottles used in beverages, food, and pharmaceuticals.<\/p>\n\n\n\n<p>ISO 8113 emphasizes:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Temperature equilibrium between sample and environment<\/li>\n\n\n\n<li>Accurate axial alignment of the container<\/li>\n\n\n\n<li>Use of protective pads or closures to simulate real sealing conditions<\/li>\n\n\n\n<li>Controlled force application until a specified load or breakage<\/li>\n<\/ul>\n\n\n\n<p>A professional top load tester designed for ISO 8113 supports both <strong>pass tests<\/strong> (loading to a predefined value) and <strong>progressive tests<\/strong> (loading until failure). These results help manufacturers confirm that glass containers meet internal specifications and customer requirements.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">How Top Load Tester Work<\/h2>\n\n\n\n<p>A top load tester applies a <strong>controlled vertical compressive force<\/strong> through precision platens while continuously measuring force and displacement. The system records real-time load\u2013displacement curves, allowing users to observe structural response throughout the test.<\/p>\n\n\n\n<p>Modern systems from Cell Instruments integrate:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>High-accuracy load cells<\/li>\n\n\n\n<li>Precision displacement measurement<\/li>\n\n\n\n<li>PLC-based control with intuitive HMI<\/li>\n\n\n\n<li>Digital data output for traceability<\/li>\n<\/ul>\n\n\n\n<p>This configuration ensures that every top load test for bottles remains <strong>repeatable, traceable, and compliant<\/strong> with ASTM and ISO standards.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Why Top Load Testing Builds Confidence and Trust<\/h2>\n\n\n\n<p>Reliable vertical load data supports better decisions across the packaging lifecycle. A validated top load tester helps:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Prevent container collapse during logistics<\/li>\n\n\n\n<li>Reduce material usage without compromising safety<\/li>\n\n\n\n<li>Demonstrate compliance during audits and customer evaluations<\/li>\n\n\n\n<li>Improve consistency across production batches<\/li>\n<\/ul>\n\n\n\n<p>By aligning testing practices with <a href=\"https:\/\/store.astm.org\/d2659-16r23.html?_gl=1*a5mpmp*_gcl_aw*R0NMLjE3Njg3ODk3MzcuQ2owS0NRaUFwckxMQmhDTUFSSXNBRURoZFBmZnpaMHVBMGMtdjB4RWdqR0hGSWVCaVZjeTJBM3RfRHV0ajduOVh3QlJuQUVlbGdZOU00TWFBcWlSRUFMd193Y0I.*_gcl_au*MTkwOTY2MzAwNC4xNzY1Nzc5ODUz\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">ASTM D2659<\/a> and <a href=\"https:\/\/www.iso.org\/standard\/35617.html\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">ISO 8113<\/a>, manufacturers strengthen both <strong>technical credibility and customer trust<\/strong>.<\/p>","protected":false},"featured_media":303,"parent":0,"template":"","meta":{"_acf_changed":false},"product-category":[26,27,14],"class_list":["post-292","product","type-product","status-publish","has-post-thumbnail","hentry","product-category-astm-d2659","product-category-iso-8113","product-category-top-load-test"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.bottletest.com\/uk\/wp-json\/wp\/v2\/product\/292","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.bottletest.com\/uk\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/www.bottletest.com\/uk\/wp-json\/wp\/v2\/types\/product"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.bottletest.com\/uk\/wp-json\/wp\/v2\/media\/303"}],"wp:attachment":[{"href":"https:\/\/www.bottletest.com\/uk\/wp-json\/wp\/v2\/media?parent=292"}],"wp:term":[{"taxonomy":"product-category","embeddable":true,"href":"https:\/\/www.bottletest.com\/uk\/wp-json\/wp\/v2\/product-category?post=292"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}