{"id":433,"date":"2025-06-17T15:40:00","date_gmt":"2025-06-17T07:40:00","guid":{"rendered":"https:\/\/www.ampouletest.com\/?page_id=433"},"modified":"2026-02-02T08:15:34","modified_gmt":"2026-02-02T00:15:34","slug":"iso-720-hydrolytic-resistance-of-glass-containers","status":"publish","type":"page","link":"https:\/\/www.ampouletest.com\/nb\/iso-720-hydrolytic-resistance-of-glass-containers","title":{"rendered":"ISO 720"},"content":{"rendered":"<div data-elementor-type=\"wp-page\" data-elementor-id=\"433\" class=\"elementor elementor-433\" data-elementor-post-type=\"page\">\n\t\t\t\t<div class=\"elementor-element elementor-element-c60fdbb e-flex e-con-boxed e-con e-parent\" data-id=\"c60fdbb\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-db6fcba e-con-full e-flex e-con e-child\" data-id=\"db6fcba\" data-element_type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-9d1f798 e-con-full e-flex e-con e-child\" data-id=\"9d1f798\" data-element_type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-8cc5a79 e-con-full e-flex e-con e-child\" data-id=\"8cc5a79\" data-element_type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-b6b67d4 elementor-widget elementor-widget-heading\" data-id=\"b6b67d4\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h1 class=\"elementor-heading-title elementor-size-default\">ISO 720 Hydrolytic Resistance<\/h1>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-5a032b0 elementor-widget elementor-widget-heading\" data-id=\"5a032b0\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">of Glass Ampoule<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-c754e2a elementor-widget elementor-widget-text-editor\" data-id=\"c754e2a\" 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\t\t<p data-start=\"309\" data-end=\"787\">The <strong data-start=\"428\" data-end=\"439\">ISO 720<\/strong> standard outlines a critical method for evaluating the <strong data-start=\"495\" data-end=\"540\">hydrolytic resistance of glass containers<\/strong>, especially those used in pharmaceutical packaging like <strong data-start=\"597\" data-end=\"615\">glass ampoules<\/strong>. This test ensures that the chemical stability of glass is maintained when exposed to high temperatures and water, preserving the integrity and safety of pharmaceutical products.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-69e503e elementor-button-align-stretch elementor-widget elementor-widget-form\" data-id=\"69e503e\" data-element_type=\"widget\" data-settings=\"{&quot;button_width&quot;:&quot;20&quot;,&quot;step_next_label&quot;:&quot;Next&quot;,&quot;step_previous_label&quot;:&quot;Previous&quot;,&quot;step_type&quot;:&quot;number_text&quot;,&quot;step_icon_shape&quot;:&quot;circle&quot;}\" data-widget_type=\"form.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<form class=\"elementor-form\" method=\"post\" name=\"New Form\" action=\"\">\n\t\t\t<input type=\"hidden\" name=\"post_id\" value=\"433\"\/>\n\t\t\t<input type=\"hidden\" name=\"form_id\" value=\"69e503e\"\/>\n\t\t\t<input type=\"hidden\" name=\"referer_title\" value=\"Ampoule Test\" \/>\n\n\t\t\t\n\t\t\t<div class=\"elementor-form-fields-wrapper elementor-labels-above\">\n\t\t\t\t\t\t\t\t<div class=\"elementor-field-type-text elementor-field-group elementor-column elementor-field-group-name elementor-col-100 elementor-field-required\">\n\t\t\t\t\t\t\t\t\t\t\t\t<label for=\"form-field-name\" class=\"elementor-field-label\">\n\t\t\t\t\t\t\t\tName\t\t\t\t\t\t\t<\/label>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<input size=\"1\" type=\"text\" name=\"form_fields[name]\" id=\"form-field-name\" class=\"elementor-field elementor-size-sm  elementor-field-textual\" placeholder=\"Name\" required=\"required\" aria-required=\"true\">\n\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<div class=\"elementor-field-type-text elementor-field-group elementor-column elementor-field-group-field_07115be elementor-col-100\">\n\t\t\t\t\t\t\t\t\t\t\t\t<label for=\"form-field-field_07115be\" class=\"elementor-field-label\">\n\t\t\t\t\t\t\t\tCompany\t\t\t\t\t\t\t<\/label>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<input size=\"1\" type=\"text\" name=\"form_fields[field_07115be]\" id=\"form-field-field_07115be\" class=\"elementor-field elementor-size-sm  elementor-field-textual\" placeholder=\"Company\">\n\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<div class=\"elementor-field-type-email elementor-field-group elementor-column elementor-field-group-email elementor-col-100 elementor-field-required\">\n\t\t\t\t\t\t\t\t\t\t\t\t<label for=\"form-field-email\" class=\"elementor-field-label\">\n\t\t\t\t\t\t\t\tEmail\t\t\t\t\t\t\t<\/label>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<input size=\"1\" type=\"email\" name=\"form_fields[email]\" id=\"form-field-email\" class=\"elementor-field elementor-size-sm  elementor-field-textual\" placeholder=\"Email\" required=\"required\" aria-required=\"true\">\n\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<div class=\"elementor-field-type-textarea elementor-field-group elementor-column elementor-field-group-message elementor-col-100\">\n\t\t\t\t\t\t\t\t\t\t\t\t<label for=\"form-field-message\" class=\"elementor-field-label\">\n\t\t\t\t\t\t\t\tMessage\t\t\t\t\t\t\t<\/label>\n\t\t\t\t\t\t<textarea class=\"elementor-field-textual elementor-field  elementor-size-sm\" name=\"form_fields[message]\" id=\"form-field-message\" rows=\"4\" placeholder=\"Message\"><\/textarea>\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<div class=\"elementor-field-type-recaptcha_v3 elementor-field-group elementor-column elementor-field-group-field_ef845c1 elementor-col-100 recaptcha_v3-bottomright\">\n\t\t\t\t\t<div class=\"elementor-field\" id=\"form-field-field_ef845c1\"><div class=\"elementor-g-recaptcha\" data-sitekey=\"6LeuX60rAAAAAElodUi54YrM7mqC6fGZX8tx93-Z\" data-type=\"v3\" data-action=\"Form\" data-badge=\"bottomright\" data-size=\"invisible\"><\/div><\/div>\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<div class=\"elementor-field-group elementor-column elementor-field-type-submit elementor-col-20 e-form__buttons\">\n\t\t\t\t\t<button class=\"elementor-button elementor-size-sm\" type=\"submit\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">Send<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/button>\n\t\t\t\t<\/div>\n\t\t\t<\/div>\n\t\t<input type=\"hidden\" name=\"trp-form-language\" value=\"nb\"\/><\/form>\n\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>\n\t\t<div class=\"elementor-element elementor-element-163fe1b e-con-full e-flex e-con e-child\" data-id=\"163fe1b\" data-element_type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\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<div class=\"elementor-element elementor-element-f29ff9c e-flex e-con-boxed e-con e-parent\" data-id=\"f29ff9c\" 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-fadf197 elementor-widget elementor-widget-heading\" data-id=\"fadf197\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Understanding ISO 720 and Its Importance in the Pharmaceutical Industry<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-7e073a9 elementor-widget elementor-widget-text-editor\" data-id=\"7e073a9\" 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\t\t<p data-start=\"1063\" data-end=\"1554\">The <strong data-start=\"1145\" data-end=\"1161\">ISO 720:2020<\/strong> standard, titled <em data-start=\"1179\" data-end=\"1272\">Glass \u2014 Hydrolytic resistance of glass grains at 121 \u00b0C \u2014 Method of test and classification<\/em>, provides a method for determining how much alkaline material glass releases under controlled conditions. This is essential for pharmaceutical manufacturers who rely on <strong data-start=\"1442\" data-end=\"1460\">glass ampoules<\/strong> and vials to safely contain injectable drugs, oral solutions, and other critical medications.<\/p><p data-start=\"1556\" data-end=\"1782\">Pharmaceutical glass packaging that releases excess alkali into its contents can alter drug composition, posing risks to patient safety. Hence, ISO 720 is a fundamental benchmark for material quality and regulatory compliance.<\/p>\t\t\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<div class=\"elementor-element elementor-element-fcfe601 e-flex e-con-boxed e-con e-parent\" data-id=\"fcfe601\" 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-285ac2f elementor-widget elementor-widget-heading\" data-id=\"285ac2f\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Hydrolytic Resistance of Glass Containers: Core Principles<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-030866f e-con-full e-flex e-con e-child\" data-id=\"030866f\" data-element_type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-3c265f6 elementor-widget__width-initial elementor-widget elementor-widget-image\" data-id=\"3c265f6\" 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<figure class=\"wp-caption\">\n\t\t\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/www.ampouletest.com\/nb\/glass-grain-hydrolytic-resistance-tester-usp-iso\/\">\n\t\t\t\t\t\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"600\" height=\"600\" src=\"https:\/\/www.ampouletest.com\/wp-content\/uploads\/2025\/06\/ISO-720-Hydrolytic-Resistance-of-Glass-Ampoule-1.webp\" class=\"attachment-full size-full wp-image-442\" alt=\"ISO 720 Hydrolytic Resistance of Glass Ampoule\" srcset=\"https:\/\/www.ampouletest.com\/wp-content\/uploads\/2025\/06\/ISO-720-Hydrolytic-Resistance-of-Glass-Ampoule-1.webp 600w, https:\/\/www.ampouletest.com\/wp-content\/uploads\/2025\/06\/ISO-720-Hydrolytic-Resistance-of-Glass-Ampoule-1-300x300.webp 300w, https:\/\/www.ampouletest.com\/wp-content\/uploads\/2025\/06\/ISO-720-Hydrolytic-Resistance-of-Glass-Ampoule-1-150x150.webp 150w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/>\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t\t\t<figcaption class=\"widget-image-caption wp-caption-text\">Glass Grains Test<\/figcaption>\n\t\t\t\t\t\t\t\t\t\t<\/figure>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-a8ac35c e-con-full e-flex e-con e-child\" data-id=\"a8ac35c\" data-element_type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-b451adc elementor-widget__width-inherit elementor-widget elementor-widget-text-editor\" data-id=\"b451adc\" 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\t\t<p data-start=\"1789\" data-end=\"2028\"><strong data-start=\"1854\" data-end=\"1899\">Hydrolytic resistance of glass containers<\/strong> refers to a material\u2019s ability to withstand chemical attack from water at elevated temperatures. The ISO 720 procedure involves:<\/p><ul><li data-start=\"2032\" data-end=\"2109\"><strong data-start=\"2032\" data-end=\"2056\">Crushing and sieving<\/strong> glass samples to a specific grain size (300\u2013425 \u03bcm).<\/li><li data-start=\"2112\" data-end=\"2202\"><strong data-start=\"2112\" data-end=\"2133\">Extracting alkali<\/strong> by heating the grains in <strong data-start=\"2159\" data-end=\"2186\">grade 2 water at 121 \u00b0C<\/strong> for 30 minutes.<\/li><li data-start=\"2205\" data-end=\"2294\"><strong data-start=\"2205\" data-end=\"2241\">Titrating the extracted solution<\/strong> with hydrochloric acid using a methyl red indicator.<\/li><\/ul><p data-start=\"2296\" data-end=\"2461\">The amount of acid consumed during titration quantifies the glass\u2019s resistance. Higher acid consumption indicates higher alkali release, signifying lower resistance.<\/p><p data-start=\"2463\" data-end=\"2623\">This test is critical for ampoules, vials, and bottles made from soda-lime or borosilicate glass, which are frequently used in sterile pharmaceutical packaging.<\/p>\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>\n\t\t\t\t<div class=\"elementor-element elementor-element-cbab5bf elementor-widget elementor-widget-heading\" data-id=\"cbab5bf\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Glass Ampoules Testing According to ISO 720<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-17a8f0b elementor-widget elementor-widget-text-editor\" data-id=\"17a8f0b\" 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\t\t<p data-start=\"2630\" data-end=\"2896\"><strong data-start=\"2680\" data-end=\"2706\">Glass ampoules testing<\/strong> under ISO 720 is not just about passing a chemical durability test\u2014it\u2019s about ensuring compliance, product safety, and protecting end users. Here\u2019s a brief breakdown of the key test phases:<\/p><ul><li data-start=\"2900\" data-end=\"3021\"><strong data-start=\"2900\" data-end=\"2923\">Sample Preparation:<\/strong> Ensure annealing is adequate. Wrap, crush, and sieve glass samples to achieve the specified size.<\/li><li data-start=\"3024\" data-end=\"3138\"><strong data-start=\"3024\" data-end=\"3048\">Ultrasonic Cleaning:<\/strong> Use acetone and ultrasonic waves to thoroughly clean glass grains, removing contaminants.<\/li><li data-start=\"3141\" data-end=\"3210\"><strong data-start=\"3141\" data-end=\"3152\">Drying:<\/strong> Dry at 140 \u00b0C for 20 minutes to remove residual moisture.<\/li><li data-start=\"3213\" data-end=\"3300\"><strong data-start=\"3213\" data-end=\"3229\">Autoclaving:<\/strong> Subject the samples to a controlled temperature cycle reaching 121 \u00b0C.<\/li><li data-start=\"3303\" data-end=\"3437\"><strong data-start=\"3303\" data-end=\"3332\">Titration and Evaluation:<\/strong> Measure the amount of acid needed to neutralize the extract solution, classifying the glass accordingly.<\/li><\/ul><p data-start=\"3439\" data-end=\"3558\">To ensure reproducibility and accuracy, this test demands precision handling and reliable sample preparation equipment.<\/p>\t\t\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<div class=\"elementor-element elementor-element-6d5e9de e-flex e-con-boxed e-con e-parent\" data-id=\"6d5e9de\" 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-8e82f12 elementor-widget elementor-widget-heading\" data-id=\"8e82f12\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Automated Support with the GHR-01A Glass Grain Hydrolytic Resistance Tester<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-7d65f4e elementor-widget elementor-widget-text-editor\" data-id=\"7d65f4e\" 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\t\t<p data-start=\"3565\" data-end=\"3887\">Cell Instruments\u2019 <strong data-start=\"3665\" data-end=\"3676\">GHR-01A<\/strong> is designed to automate and optimize glass grain preparation for ISO 720 and ISO 719 testing. Its intelligent functions streamline the most challenging phases of the test\u2014crushing, sieving, and safety handling.<\/p><p data-start=\"3889\" data-end=\"3919\"><strong data-start=\"3889\" data-end=\"3919\">Key Advantages of GHR-01A:<\/strong><\/p><ul><li data-start=\"3923\" data-end=\"4018\"><strong data-start=\"3923\" data-end=\"3955\">Automated Crushing &amp; Sieving<\/strong>: Delivers consistent particle size with minimal manual effort.<\/li><li data-start=\"4021\" data-end=\"4090\"><strong data-start=\"4021\" data-end=\"4042\">Precision Control<\/strong>: Reduces variability, improves sample accuracy.<\/li><li data-start=\"4093\" data-end=\"4170\"><strong data-start=\"4093\" data-end=\"4112\">Enhanced Safety<\/strong>: Protective features guard users against glass splinters.<\/li><li data-start=\"4173\" data-end=\"4257\"><strong data-start=\"4173\" data-end=\"4196\">Eco-Friendly Design<\/strong>: Collects waste responsibly and reduces contamination risks.<\/li><li data-start=\"4260\" data-end=\"4327\"><strong data-start=\"4260\" data-end=\"4287\">User-Friendly Interface<\/strong>: Intuitive operation via an HMI screen.<\/li><\/ul><p data-start=\"4329\" data-end=\"4512\">By automating key steps, the GHR-01A ensures repeatable, high-quality results\u2014making it a valuable asset for pharmaceutical labs and packaging manufacturers aiming for ISO compliance.<\/p>\t\t\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<div class=\"elementor-element elementor-element-bbe91e5 e-flex e-con-boxed e-con e-parent\" data-id=\"bbe91e5\" 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-6c739f4 elementor-widget elementor-widget-heading\" data-id=\"6c739f4\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Best Practices for Performing ISO 720 Testing<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-183e820 elementor-widget elementor-widget-text-editor\" data-id=\"183e820\" 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\t\t<p data-start=\"4519\" data-end=\"4643\">To achieve accurate and compliant results, follow these recommendations:<\/p><ol><li data-start=\"4648\" data-end=\"4722\"><strong data-start=\"4648\" data-end=\"4676\">Verify Annealing Quality<\/strong>: Poorly annealed glass can skew test results.<\/li><li data-start=\"4726\" data-end=\"4806\"><strong data-start=\"4726\" data-end=\"4748\">Control Grain Size<\/strong>: Ensure particles fall between 300\u2013425 \u03bcm for valid data.<\/li><li data-start=\"4810\" data-end=\"4900\"><strong data-start=\"4810\" data-end=\"4833\">Avoid Contamination<\/strong>: Use clean equipment and fresh reagents; handle samples with care.<\/li><li data-start=\"4904\" data-end=\"4989\"><strong data-start=\"4904\" data-end=\"4932\">Perform Timely Titration<\/strong>: Complete chemical analysis within 1 hour after heating.<\/li><li data-start=\"4993\" data-end=\"5079\"><strong data-start=\"4993\" data-end=\"5021\">Use Calibrated Equipment<\/strong>: Accurate thermocouples and titration setups are crucial.<\/li><\/ol><p data-start=\"5081\" data-end=\"5217\">Implementing ISO 720 correctly helps manufacturers maintain product stability, achieve regulatory compliance, and assure customer trust.<\/p>\t\t\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<div class=\"elementor-element elementor-element-3abc6b6 e-flex e-con-boxed e-con e-parent\" data-id=\"3abc6b6\" 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-5363c6b elementor-widget elementor-widget-heading\" data-id=\"5363c6b\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Why ISO 720 Matters to Quality Control Professionals<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-bcd529d elementor-widget elementor-widget-text-editor\" data-id=\"bcd529d\" 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\t\t<p data-start=\"5224\" data-end=\"5441\">For professionals in pharmaceutical packaging and quality assurance, ISO 720 provides a scientifically validated method to assess glass performance. It helps:<\/p><ul><li data-start=\"5445\" data-end=\"5498\">Classify glass into hydrolytic resistance categories.<\/li><li data-start=\"5501\" data-end=\"5549\">Support material selection for drug containment.<\/li><li data-start=\"5552\" data-end=\"5610\">Prevent chemical interactions that compromise drug safety.<\/li><li data-start=\"5613\" data-end=\"5662\">Maintain compliance with international standards.<\/li><\/ul><p data-start=\"5664\" data-end=\"5793\">Testing the <strong data-start=\"5676\" data-end=\"5721\">hydrolytic resistance of glass containers<\/strong> isn&#8217;t just a lab procedure\u2014it&#8217;s a quality gatekeeper for public health.<\/p>\t\t\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>ISO 720 Hydrolytic Resistance of Glass Ampoule The ISO 720 standard outlines a critical method for evaluating the hydrolytic resistance of glass containers, especially those used in pharmaceutical packaging like glass ampoules. This test ensures that the chemical stability of glass is maintained when exposed to high temperatures and water, preserving the integrity and safety [&hellip;]<\/p>","protected":false},"author":3,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-433","page","type-page","status-publish","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.2 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>ISO 720 Hydrolytic Resistance of Glass Containers\/Ampoule<\/title>\n<meta name=\"description\" content=\"ISO 720 for hydrolytic resistance of glass containers. Learn how Cell Instruments\u2019 GHR-01A ensures accurate, compliant results.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.ampouletest.com\/nb\/iso-720-hydrolytic-resistance-of-glass-containers\/\" \/>\n<meta property=\"og:locale\" content=\"nb_NO\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"ISO 720 Hydrolytic Resistance of Glass Containers\/Ampoule\" \/>\n<meta property=\"og:description\" content=\"ISO 720 for hydrolytic resistance of glass containers. Learn how Cell Instruments\u2019 GHR-01A ensures accurate, compliant results.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.ampouletest.com\/nb\/iso-720-hydrolytic-resistance-of-glass-containers\/\" \/>\n<meta property=\"og:site_name\" content=\"Ampoule Test\" \/>\n<meta property=\"article:modified_time\" content=\"2026-02-02T00:15:34+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.ampouletest.com\/wp-content\/uploads\/2025\/06\/ISO-720-Hydrolytic-Resistance-of-Glass-Ampoule-1.webp\" \/>\n\t<meta property=\"og:image:width\" content=\"600\" \/>\n\t<meta property=\"og:image:height\" content=\"600\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/webp\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.ampouletest.com\/iso-720-hydrolytic-resistance-of-glass-containers\",\"url\":\"https:\/\/www.ampouletest.com\/iso-720-hydrolytic-resistance-of-glass-containers\",\"name\":\"ISO 720 Hydrolytic Resistance of Glass Containers\/Ampoule\",\"isPartOf\":{\"@id\":\"https:\/\/www.ampouletest.com\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\/\/www.ampouletest.com\/iso-720-hydrolytic-resistance-of-glass-containers#primaryimage\"},\"image\":{\"@id\":\"https:\/\/www.ampouletest.com\/iso-720-hydrolytic-resistance-of-glass-containers#primaryimage\"},\"thumbnailUrl\":\"https:\/\/www.ampouletest.com\/wp-content\/uploads\/2025\/06\/ISO-720-Hydrolytic-Resistance-of-Glass-Ampoule-1.webp\",\"datePublished\":\"2025-06-17T07:40:00+00:00\",\"dateModified\":\"2026-02-02T00:15:34+00:00\",\"description\":\"ISO 720 for hydrolytic resistance of glass containers. Learn how Cell Instruments\u2019 GHR-01A ensures accurate, compliant results.\",\"breadcrumb\":{\"@id\":\"https:\/\/www.ampouletest.com\/iso-720-hydrolytic-resistance-of-glass-containers#breadcrumb\"},\"inLanguage\":\"nb-NO\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/www.ampouletest.com\/iso-720-hydrolytic-resistance-of-glass-containers\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"nb-NO\",\"@id\":\"https:\/\/www.ampouletest.com\/iso-720-hydrolytic-resistance-of-glass-containers#primaryimage\",\"url\":\"https:\/\/www.ampouletest.com\/wp-content\/uploads\/2025\/06\/ISO-720-Hydrolytic-Resistance-of-Glass-Ampoule-1.webp\",\"contentUrl\":\"https:\/\/www.ampouletest.com\/wp-content\/uploads\/2025\/06\/ISO-720-Hydrolytic-Resistance-of-Glass-Ampoule-1.webp\"},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/www.ampouletest.com\/iso-720-hydrolytic-resistance-of-glass-containers#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/www.ampouletest.com\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"ISO 720\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/www.ampouletest.com\/#website\",\"url\":\"https:\/\/www.ampouletest.com\/\",\"name\":\"Softgel Test\",\"description\":\"Ampoule Test Solutions\",\"publisher\":{\"@id\":\"https:\/\/www.ampouletest.com\/#organization\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/www.ampouletest.com\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"nb-NO\"},{\"@type\":\"Organization\",\"@id\":\"https:\/\/www.ampouletest.com\/#organization\",\"name\":\"Softgel Test\",\"url\":\"https:\/\/www.ampouletest.com\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"nb-NO\",\"@id\":\"https:\/\/www.ampouletest.com\/#\/schema\/logo\/image\/\",\"url\":\"https:\/\/www.ampouletest.com\/wp-content\/uploads\/2025\/01\/Softgel-Test-Logo.webp\",\"contentUrl\":\"https:\/\/www.ampouletest.com\/wp-content\/uploads\/2025\/01\/Softgel-Test-Logo.webp\",\"width\":836,\"height\":238,\"caption\":\"Softgel Test\"},\"image\":{\"@id\":\"https:\/\/www.ampouletest.com\/#\/schema\/logo\/image\/\"}}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"ISO 720 Hydrolytic Resistance of Glass Containers\/Ampoule","description":"ISO 720 for hydrolytic resistance of glass containers. Learn how Cell Instruments\u2019 GHR-01A ensures accurate, compliant results.","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/www.ampouletest.com\/nb\/iso-720-hydrolytic-resistance-of-glass-containers\/","og_locale":"nb_NO","og_type":"article","og_title":"ISO 720 Hydrolytic Resistance of Glass Containers\/Ampoule","og_description":"ISO 720 for hydrolytic resistance of glass containers. Learn how Cell Instruments\u2019 GHR-01A ensures accurate, compliant results.","og_url":"https:\/\/www.ampouletest.com\/nb\/iso-720-hydrolytic-resistance-of-glass-containers\/","og_site_name":"Ampoule Test","article_modified_time":"2026-02-02T00:15:34+00:00","og_image":[{"width":600,"height":600,"url":"https:\/\/www.ampouletest.com\/wp-content\/uploads\/2025\/06\/ISO-720-Hydrolytic-Resistance-of-Glass-Ampoule-1.webp","type":"image\/webp"}],"twitter_card":"summary_large_image","schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/www.ampouletest.com\/iso-720-hydrolytic-resistance-of-glass-containers","url":"https:\/\/www.ampouletest.com\/iso-720-hydrolytic-resistance-of-glass-containers","name":"ISO 720 Hydrolytic Resistance of Glass Containers\/Ampoule","isPartOf":{"@id":"https:\/\/www.ampouletest.com\/#website"},"primaryImageOfPage":{"@id":"https:\/\/www.ampouletest.com\/iso-720-hydrolytic-resistance-of-glass-containers#primaryimage"},"image":{"@id":"https:\/\/www.ampouletest.com\/iso-720-hydrolytic-resistance-of-glass-containers#primaryimage"},"thumbnailUrl":"https:\/\/www.ampouletest.com\/wp-content\/uploads\/2025\/06\/ISO-720-Hydrolytic-Resistance-of-Glass-Ampoule-1.webp","datePublished":"2025-06-17T07:40:00+00:00","dateModified":"2026-02-02T00:15:34+00:00","description":"ISO 720 for hydrolytic resistance of glass containers. Learn how Cell Instruments\u2019 GHR-01A ensures accurate, compliant results.","breadcrumb":{"@id":"https:\/\/www.ampouletest.com\/iso-720-hydrolytic-resistance-of-glass-containers#breadcrumb"},"inLanguage":"nb-NO","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.ampouletest.com\/iso-720-hydrolytic-resistance-of-glass-containers"]}]},{"@type":"ImageObject","inLanguage":"nb-NO","@id":"https:\/\/www.ampouletest.com\/iso-720-hydrolytic-resistance-of-glass-containers#primaryimage","url":"https:\/\/www.ampouletest.com\/wp-content\/uploads\/2025\/06\/ISO-720-Hydrolytic-Resistance-of-Glass-Ampoule-1.webp","contentUrl":"https:\/\/www.ampouletest.com\/wp-content\/uploads\/2025\/06\/ISO-720-Hydrolytic-Resistance-of-Glass-Ampoule-1.webp"},{"@type":"BreadcrumbList","@id":"https:\/\/www.ampouletest.com\/iso-720-hydrolytic-resistance-of-glass-containers#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/www.ampouletest.com\/"},{"@type":"ListItem","position":2,"name":"ISO 720"}]},{"@type":"WebSite","@id":"https:\/\/www.ampouletest.com\/#website","url":"https:\/\/www.ampouletest.com\/","name":"Softgel Test","description":"Ampoule Test Solutions","publisher":{"@id":"https:\/\/www.ampouletest.com\/#organization"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/www.ampouletest.com\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"nb-NO"},{"@type":"Organization","@id":"https:\/\/www.ampouletest.com\/#organization","name":"Softgel Test","url":"https:\/\/www.ampouletest.com\/","logo":{"@type":"ImageObject","inLanguage":"nb-NO","@id":"https:\/\/www.ampouletest.com\/#\/schema\/logo\/image\/","url":"https:\/\/www.ampouletest.com\/wp-content\/uploads\/2025\/01\/Softgel-Test-Logo.webp","contentUrl":"https:\/\/www.ampouletest.com\/wp-content\/uploads\/2025\/01\/Softgel-Test-Logo.webp","width":836,"height":238,"caption":"Softgel Test"},"image":{"@id":"https:\/\/www.ampouletest.com\/#\/schema\/logo\/image\/"}}]}},"_links":{"self":[{"href":"https:\/\/www.ampouletest.com\/nb\/wp-json\/wp\/v2\/pages\/433","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.ampouletest.com\/nb\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.ampouletest.com\/nb\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www.ampouletest.com\/nb\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/www.ampouletest.com\/nb\/wp-json\/wp\/v2\/comments?post=433"}],"version-history":[{"count":5,"href":"https:\/\/www.ampouletest.com\/nb\/wp-json\/wp\/v2\/pages\/433\/revisions"}],"predecessor-version":[{"id":668,"href":"https:\/\/www.ampouletest.com\/nb\/wp-json\/wp\/v2\/pages\/433\/revisions\/668"}],"wp:attachment":[{"href":"https:\/\/www.ampouletest.com\/nb\/wp-json\/wp\/v2\/media?parent=433"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}