{"id":6320,"date":"2025-01-08T16:00:52","date_gmt":"2025-01-08T08:00:52","guid":{"rendered":"https:\/\/www.air-tester.com\/?p=6320"},"modified":"2026-06-15T15:22:09","modified_gmt":"2026-06-15T07:22:09","slug":"2026-qi-mi-xing-ce-shi-fang-fa","status":"publish","type":"post","link":"https:\/\/www.air-tester.com\/en\/2026-qi-mi-xing-ce-shi-fang-fa.html\/","title":{"rendered":"Common Airtightness Testing Methods for 2026: Jingcheng Engineering's Guide to Selecting Leak Testing Solutions"},"content":{"rendered":"<p>Have you ever wondered how an insulated cup for everyday use can be drip-proof? How does a high-tech cell phone have excellent waterproof performance?<br><strong>The answer lies in the airtightness test<\/strong>This seemingly specialized testing technology is in fact related to our lives and plays a vital role in product quality control. This seems to be a professional testing technology, but it is closely related to our lives, and plays a vital role in product quality control. This article will take you in-depth understanding of the air tightness testing of this professional and close to life in the field.<\/p>\n\n\n\n<h2 class=\"wp-block-heading cheese-cake\" style=\"margin-top:var(--wp--preset--spacing--70)\">1. Basic knowledge of airtightness testing<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" style=\"margin-top:0\">1.1 What is an airtightness test?<\/h3>\n\n\n\n<p>When it comes to airtightness testing, it's like giving a product a 'medical checkup'.<strong>Through a variety of specialized testing methods, we can determine if a product is leaking at a specific pressure, as well as the exact location and extent of the leak.<\/strong>This test not only ensures product quality, but also improves productivity and reduces costs.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" style=\"margin-top:var(--wp--preset--spacing--60)\">1.2 Importance of airtightness testing<\/h3>\n\n\n\n<figure class=\"wp-block-image size-full is-resized\"><img fetchpriority=\"high\" decoding=\"async\" width=\"1000\" height=\"666\" src=\"https:\/\/www.air-tester.com\/wp-content\/uploads\/2025\/01\/qi-mi-xing-jian-ce-yuan-li-07.jpg\"  class=\"wp-image-6322\" style=\"width:1200px;height:auto\" srcset=\"https:\/\/www.air-tester.com\/wp-content\/uploads\/2025\/01\/qi-mi-xing-jian-ce-yuan-li-07.jpg 1000w, https:\/\/www.air-tester.com\/wp-content\/uploads\/2025\/01\/qi-mi-xing-jian-ce-yuan-li-07-18x12.jpg 18w, https:\/\/www.air-tester.com\/wp-content\/uploads\/2025\/01\/qi-mi-xing-jian-ce-yuan-li-07-600x400.jpg 600w\" sizes=\"(max-width: 1000px) 100vw, 1000px\" title=\"2026\u5e38\u7528\u7684\u6c14\u5bc6\u6027\u6d4b\u8bd5\u65b9\u6cd5\uff0c\u7cbe\u8bda\u5de5\u79d1\u6cc4\u6f0f\u6d4b\u8bd5\u89e3\u51b3\u65b9\u6848\u9009\u62e9\u6307\u5357\u63d2\u56fe\" alt=\"2026\u5e38\u7528\u7684\u6c14\u5bc6\u6027\u6d4b\u8bd5\u65b9\u6cd5\uff0c\u7cbe\u8bda\u5de5\u79d1\u6cc4\u6f0f\u6d4b\u8bd5\u89e3\u51b3\u65b9\u6848\u9009\u62e9\u6307\u5357\u63d2\u56fe\" \/><figcaption class=\"wp-element-caption\"><em>The Importance of Airtightness Testing<\/em><\/figcaption><\/figure>\n\n\n\n<p>Imagine what would happen if your kettle leaked or your cell phone got water in it. An airtightness test is a key part of preventing these problems. It is able to:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Ensure product performance and longevity<\/li>\n\n\n\n<li>Improve user experience<\/li>\n\n\n\n<li>Reducing Quality Risks for Businesses<\/li>\n\n\n\n<li>Compliance with relevant industry standards and regulatory requirements<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" style=\"margin-top:var(--wp--preset--spacing--60)\">1.3 Applicable industries and application scenarios<\/h3>\n\n\n\n<p>From everyday life to high-tech applications, airtightness testing is used everywhere:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>automobile manufacturing<\/strong>: Fuel systems, brake systems, engine blocks, battery packs, etc.<\/li>\n\n\n\n<li><strong>electronic product<\/strong>: Smartphones, tablets, wearables, smart home products, etc.<\/li>\n\n\n\n<li><strong>Medical Equipment<\/strong>: infusion devices, ventilators, pacemakers, biopharmaceutical containers, etc.<\/li>\n\n\n\n<li><strong>Packaging Industry<\/strong>: Food packaging, pharmaceutical packaging, cosmetic packaging, etc.<\/li>\n\n\n\n<li><strong>aerospace<\/strong>: Vehicle sealing compartments, propulsion systems, hydraulic systems, etc.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading cheese-cake\" style=\"margin-top:var(--wp--preset--spacing--70)\">2. Common airtightness test methods: principles, advantages and disadvantages, and applications<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" style=\"margin-top:0\">2.1 Bubble leakage detection method: simple and intuitive, low cost<\/h3>\n\n\n\n<figure class=\"wp-block-image size-full is-resized\"><img decoding=\"async\" width=\"1000\" height=\"666\" src=\"https:\/\/www.air-tester.com\/wp-content\/uploads\/2025\/01\/qi-mi-xing-jian-ce-yuan-li-02.jpg\"  class=\"wp-image-6323\" style=\"width:1200px;height:auto\" srcset=\"https:\/\/www.air-tester.com\/wp-content\/uploads\/2025\/01\/qi-mi-xing-jian-ce-yuan-li-02.jpg 1000w, https:\/\/www.air-tester.com\/wp-content\/uploads\/2025\/01\/qi-mi-xing-jian-ce-yuan-li-02-18x12.jpg 18w, https:\/\/www.air-tester.com\/wp-content\/uploads\/2025\/01\/qi-mi-xing-jian-ce-yuan-li-02-600x400.jpg 600w\" sizes=\"(max-width: 1000px) 100vw, 1000px\" title=\"2026\u5e38\u7528\u7684\u6c14\u5bc6\u6027\u6d4b\u8bd5\u65b9\u6cd5\uff0c\u7cbe\u8bda\u5de5\u79d1\u6cc4\u6f0f\u6d4b\u8bd5\u89e3\u51b3\u65b9\u6848\u9009\u62e9\u6307\u5357\u63d2\u56fe1\" alt=\"2026\u5e38\u7528\u7684\u6c14\u5bc6\u6027\u6d4b\u8bd5\u65b9\u6cd5\uff0c\u7cbe\u8bda\u5de5\u79d1\u6cc4\u6f0f\u6d4b\u8bd5\u89e3\u51b3\u65b9\u6848\u9009\u62e9\u6307\u5357\u63d2\u56fe1\" \/><figcaption class=\"wp-element-caption\"><em>Principle diagram of immersion bubble leakage detection method<\/em><\/figcaption><\/figure>\n\n\n\n<p>This is probably the most intuitive test.<strong>By observing whether bubbles are generated when the measured object is immersed in the liquid, we can visualize the location of the leak.<\/strong>. Although not as accurate as other methods, it is still a practical option in some scenarios.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Principle:<\/strong>Immerse the product in water and observe if bubbles are produced.<\/li>\n\n\n\n<li><strong>Pros:<\/strong>Simple to operate, low cost, and can visually locate leaks.<\/li>\n\n\n\n<li><strong>Drawbacks:<\/strong>Inability to quantitatively measure, low accuracy, and possible contamination of the product.<\/li>\n\n\n\n<li><strong>Typical Applications:<\/strong>Simple seals, low pressure vessels, etc.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" style=\"margin-top:var(--wp--preset--spacing--60)\">2.2 Pressure decay method: widely used and economical<\/h3>\n\n\n\n<figure class=\"wp-block-image size-full is-resized\"><img decoding=\"async\" width=\"1000\" height=\"666\" src=\"https:\/\/www.air-tester.com\/wp-content\/uploads\/2025\/01\/qi-mi-xing-jian-ce-yuan-li-03.jpg\"  class=\"wp-image-6324\" style=\"width:1200px;height:auto\" srcset=\"https:\/\/www.air-tester.com\/wp-content\/uploads\/2025\/01\/qi-mi-xing-jian-ce-yuan-li-03.jpg 1000w, https:\/\/www.air-tester.com\/wp-content\/uploads\/2025\/01\/qi-mi-xing-jian-ce-yuan-li-03-18x12.jpg 18w, https:\/\/www.air-tester.com\/wp-content\/uploads\/2025\/01\/qi-mi-xing-jian-ce-yuan-li-03-600x400.jpg 600w\" sizes=\"(max-width: 1000px) 100vw, 1000px\" title=\"2026\u5e38\u7528\u7684\u6c14\u5bc6\u6027\u6d4b\u8bd5\u65b9\u6cd5\uff0c\u7cbe\u8bda\u5de5\u79d1\u6cc4\u6f0f\u6d4b\u8bd5\u89e3\u51b3\u65b9\u6848\u9009\u62e9\u6307\u5357\u63d2\u56fe2\" alt=\"2026\u5e38\u7528\u7684\u6c14\u5bc6\u6027\u6d4b\u8bd5\u65b9\u6cd5\uff0c\u7cbe\u8bda\u5de5\u79d1\u6cc4\u6f0f\u6d4b\u8bd5\u89e3\u51b3\u65b9\u6848\u9009\u62e9\u6307\u5357\u63d2\u56fe2\" \/><figcaption class=\"wp-element-caption\"><em>Pressure decay method (referred to as pressure drop method) airtightness testing schematic diagram<\/em><\/figcaption><\/figure>\n\n\n\n<p>This is one of my most frequently recommended tests.<strong>By monitoring the pressure change over time in a confined space, we can accurately determine if there is a leak.<\/strong>. This method is simple and relatively low cost, and is particularly suitable for rapid testing in mass production.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Principle:<\/strong>The product under test is filled with a gas at a certain pressure and then closed, and the change in pressure inside the product is monitored for a certain period of time. If the pressure drop exceeds a preset threshold, it is determined that the product is leaking.<\/li>\n\n\n\n<li><strong>Pros:<\/strong>Simple to operate, relatively low cost, and suitable for rapid on-line inspection of mass production.<\/li>\n\n\n\n<li><strong>Drawbacks:<\/strong>Detection accuracy is relatively limited and susceptible to environmental factors such as temperature fluctuations, making it difficult to detect small leaks.<\/li>\n\n\n\n<li><strong>Typical Applications:<\/strong>Automotive parts, plastic containers, simple electronic products, etc.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" style=\"margin-top:var(--wp--preset--spacing--60)\">2.3 Differential pressure method: precise measurement, environmental compensation<\/h3>\n\n\n\n<figure class=\"wp-block-image size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"1000\" height=\"666\" src=\"https:\/\/www.air-tester.com\/wp-content\/uploads\/2025\/01\/qi-mi-xing-jian-ce-yuan-li-04.jpg\"  class=\"wp-image-6325\" style=\"width:1200px;height:auto\" srcset=\"https:\/\/www.air-tester.com\/wp-content\/uploads\/2025\/01\/qi-mi-xing-jian-ce-yuan-li-04.jpg 1000w, https:\/\/www.air-tester.com\/wp-content\/uploads\/2025\/01\/qi-mi-xing-jian-ce-yuan-li-04-18x12.jpg 18w, https:\/\/www.air-tester.com\/wp-content\/uploads\/2025\/01\/qi-mi-xing-jian-ce-yuan-li-04-600x400.jpg 600w\" sizes=\"(max-width: 1000px) 100vw, 1000px\" title=\"2026\u5e38\u7528\u7684\u6c14\u5bc6\u6027\u6d4b\u8bd5\u65b9\u6cd5\uff0c\u7cbe\u8bda\u5de5\u79d1\u6cc4\u6f0f\u6d4b\u8bd5\u89e3\u51b3\u65b9\u6848\u9009\u62e9\u6307\u5357\u63d2\u56fe3\" alt=\"2026\u5e38\u7528\u7684\u6c14\u5bc6\u6027\u6d4b\u8bd5\u65b9\u6cd5\uff0c\u7cbe\u8bda\u5de5\u79d1\u6cc4\u6f0f\u6d4b\u8bd5\u89e3\u51b3\u65b9\u6848\u9009\u62e9\u6307\u5357\u63d2\u56fe3\" \/><figcaption class=\"wp-element-caption\"><em>Differential pressure method airtightness testing schematic diagram<\/em><\/figcaption><\/figure>\n\n\n\n<p>The differential pressure method is<strong>Leakage is determined by comparing the pressure difference between a standard vessel and the object being measured, as if weighing it on a balance.<\/strong>. This method is highly accurate and particularly suitable for the inspection of precision parts.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Principle:<\/strong>The product under test is filled with gas at the same pressure as the standard at the same time and the pressure difference between the two is compared.<\/li>\n\n\n\n<li><strong>Pros:<\/strong>It can effectively eliminate the influence of environmental factors such as temperature changes, and has high detection accuracy and repeatability.<\/li>\n\n\n\n<li><strong>Drawbacks:<\/strong>Requires preparation of standardized parts, increasing testing costs; high equipment maintenance requirements.<\/li>\n\n\n\n<li><strong>Typical Applications:<\/strong>Precision components, high-end electronic products, etc.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" style=\"margin-top:var(--wp--preset--spacing--60)\">2.4 Helium Leak Detection: Ultra-high precision, accurate positioning<\/h3>\n\n\n\n<figure class=\"wp-block-image size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"1000\" height=\"666\" src=\"https:\/\/www.air-tester.com\/wp-content\/uploads\/2025\/01\/qi-mi-xing-jian-ce-yuan-li-05.jpg\"  class=\"wp-image-6326\" style=\"width:1200px;height:auto\" srcset=\"https:\/\/www.air-tester.com\/wp-content\/uploads\/2025\/01\/qi-mi-xing-jian-ce-yuan-li-05.jpg 1000w, https:\/\/www.air-tester.com\/wp-content\/uploads\/2025\/01\/qi-mi-xing-jian-ce-yuan-li-05-18x12.jpg 18w, https:\/\/www.air-tester.com\/wp-content\/uploads\/2025\/01\/qi-mi-xing-jian-ce-yuan-li-05-600x400.jpg 600w\" sizes=\"(max-width: 1000px) 100vw, 1000px\" title=\"2026\u5e38\u7528\u7684\u6c14\u5bc6\u6027\u6d4b\u8bd5\u65b9\u6cd5\uff0c\u7cbe\u8bda\u5de5\u79d1\u6cc4\u6f0f\u6d4b\u8bd5\u89e3\u51b3\u65b9\u6848\u9009\u62e9\u6307\u5357\u63d2\u56fe4\" alt=\"2026\u5e38\u7528\u7684\u6c14\u5bc6\u6027\u6d4b\u8bd5\u65b9\u6cd5\uff0c\u7cbe\u8bda\u5de5\u79d1\u6cc4\u6f0f\u6d4b\u8bd5\u89e3\u51b3\u65b9\u6848\u9009\u62e9\u6307\u5357\u63d2\u56fe4\" \/><figcaption class=\"wp-element-caption\"><em>Schematic diagram of helium leakage test<\/em><\/figcaption><\/figure>\n\n\n\n<p>If there is a most accurate test method, it is helium leak detection.<strong>Helium's small molecular size and rapid diffusion make it an ideal tracer gas<\/strong>. Although the equipment investment is high, this method is indispensable in demanding fields such as aerospace.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Principle:<\/strong>Fill the product under test with helium and use a specialized leak detector to detect the leaking helium.<\/li>\n\n\n\n<li><strong>Pros:<\/strong>Extremely high detection sensitivity for pinpointing leaks regardless of the environment.<\/li>\n\n\n\n<li><strong>Drawbacks:<\/strong>High cost of equipment and gas, requiring specialized operators.<\/li>\n\n\n\n<li><strong>Typical Applications:<\/strong>Aerospace, semiconductors, high-end medical equipment, etc.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading cheese-cake\" style=\"margin-top:var(--wp--preset--spacing--70)\">Precision Engineering: Providing you with professional leakage testing solutions<\/h2>\n\n\n\n<p>Choosing the right airtightness test method requires consideration of the type of product, application scenario, sealing requirements, cost budget, and relevant standards and regulations (e.g., ISO, GB, ASTM, etc.).<\/p>\n\n\n\n<figure class=\"wp-block-image size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"1000\" height=\"666\" src=\"https:\/\/www.air-tester.com\/wp-content\/uploads\/2025\/01\/qi-mi-xing-jian-ce-yuan-li-08.jpg\"  class=\"wp-image-6327\" style=\"width:1200px;height:auto\" srcset=\"https:\/\/www.air-tester.com\/wp-content\/uploads\/2025\/01\/qi-mi-xing-jian-ce-yuan-li-08.jpg 1000w, https:\/\/www.air-tester.com\/wp-content\/uploads\/2025\/01\/qi-mi-xing-jian-ce-yuan-li-08-18x12.jpg 18w, https:\/\/www.air-tester.com\/wp-content\/uploads\/2025\/01\/qi-mi-xing-jian-ce-yuan-li-08-600x400.jpg 600w\" sizes=\"(max-width: 1000px) 100vw, 1000px\" title=\"2026\u5e38\u7528\u7684\u6c14\u5bc6\u6027\u6d4b\u8bd5\u65b9\u6cd5\uff0c\u7cbe\u8bda\u5de5\u79d1\u6cc4\u6f0f\u6d4b\u8bd5\u89e3\u51b3\u65b9\u6848\u9009\u62e9\u6307\u5357\u63d2\u56fe5\" alt=\"2026\u5e38\u7528\u7684\u6c14\u5bc6\u6027\u6d4b\u8bd5\u65b9\u6cd5\uff0c\u7cbe\u8bda\u5de5\u79d1\u6cc4\u6f0f\u6d4b\u8bd5\u89e3\u51b3\u65b9\u6848\u9009\u62e9\u6307\u5357\u63d2\u56fe5\" \/><figcaption class=\"wp-element-caption\"><em>Airtightness Test Method Selection Guide<\/em><\/figcaption><\/figure>\n\n\n\n<p><strong>For example, for small batch production and products requiring waterproof verification of sealing, the immersion method can be selected; for large batch production and products with general accuracy requirements, the pressure drop method can be selected; for high-precision and high-reliability products, the differential pressure method or helium leak detection method is required.<\/strong><\/p>\n\n\n\n<p>If you are looking for a professional leak testing solution.<strong>With more than ten years of industry experience, Precision Industrial Airtight can provide you with customized solutions and high-quality<a href=\"http:\/\/www.air-tester.com\/en\/\" data-type=\"link\" data-id=\"www.air-tester.com\" target=\"_blank\" rel=\"noreferrer noopener\">Air tightness testing equipment<\/a><\/strong>Includes<a href=\"http:\/\/www.air-tester.com\/en\/\" data-type=\"link\" data-id=\"www.air-tester.com\" target=\"_blank\" rel=\"noreferrer noopener\">Airtightness Tester<\/a>,<a href=\"http:\/\/www.air-tester.com\/en\/\" data-type=\"link\" data-id=\"www.air-tester.com\" target=\"_blank\" rel=\"noreferrer noopener\">Waterproof Tester<\/a>,<a href=\"http:\/\/www.air-tester.com\/en\/\" data-type=\"link\" data-id=\"www.air-tester.com\" target=\"_blank\" rel=\"noreferrer noopener\">Burst Tester<\/a>,<a href=\"http:\/\/www.air-tester.com\/en\/\" data-type=\"link\" data-id=\"www.air-tester.com\" target=\"_blank\" rel=\"noreferrer noopener\">Leak test equipment<\/a>,<a href=\"http:\/\/www.air-tester.com\/en\/\" data-type=\"link\" data-id=\"www.air-tester.com\" target=\"_blank\" rel=\"noreferrer noopener\">Respiratory Cycle Tester<\/a>etc.<strong>We are committed to providing imported quality solutions at domestic prices to help you reduce costs and improve efficiency.<\/strong><\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p style=\"font-size:15px\">Imagine the loss to your organization if your products were to cause customer complaints or even safety accidents due to poor sealing.<\/p>\n<\/blockquote>\n\n\n\n<p>Choose Precision Engineering Airtightness to protect your product quality from potential risks. Learn more about airtightness testing, leakage testing, welcome to visit our website!<a href=\"http:\/\/www.air-tester.com\/en\/\" data-type=\"link\" data-id=\"www.air-tester.com\" target=\"_blank\" rel=\"noreferrer noopener\">www.air-tester.com<\/a>Or feel free to contact us.<\/p>","protected":false},"excerpt":{"rendered":"<p>Airtightness testing is a key part of ensuring product quality and safety. This article introduces the concept, principle, importance, application and common test methods of air tightness testing in depth, and recommends a professional solution provider - Precision Industrial Technology to help you fully understand the field of air tightness testing.<\/p>","protected":false},"author":1,"featured_media":6327,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"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":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","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-opacity":"","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-opacity":"","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-opacity":"","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-opacity":"","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-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[236],"tags":[624,39,185],"class_list":["post-6320","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-companynews","tag-qi-mi-xing-ce-shi-fang-fa","tag-39","tag-185"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.air-tester.com\/en\/wp-json\/wp\/v2\/posts\/6320","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.air-tester.com\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.air-tester.com\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.air-tester.com\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.air-tester.com\/en\/wp-json\/wp\/v2\/comments?post=6320"}],"version-history":[{"count":0,"href":"https:\/\/www.air-tester.com\/en\/wp-json\/wp\/v2\/posts\/6320\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.air-tester.com\/en\/wp-json\/wp\/v2\/media\/6327"}],"wp:attachment":[{"href":"https:\/\/www.air-tester.com\/en\/wp-json\/wp\/v2\/media?parent=6320"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.air-tester.com\/en\/wp-json\/wp\/v2\/categories?post=6320"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.air-tester.com\/en\/wp-json\/wp\/v2\/tags?post=6320"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}