{"id":7598,"date":"2026-06-29T22:35:51","date_gmt":"2026-06-30T06:35:51","guid":{"rendered":"https:\/\/haifengmachine.com\/?post_type=equipment&p=7598"},"modified":"2026-06-30T00:24:27","modified_gmt":"2026-06-30T08:24:27","slug":"haifeng-polyurethane-flex-testing-equipment","status":"publish","type":"equipment","link":"https:\/\/haifengmachine.com\/de\/equipment\/haifeng-polyurethane-flex-testing-equipment\/","title":{"rendered":"Haifeng Polyurethane Flex Testing Equipment"},"content":{"rendered":"
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Many polyurethane product buyers and production partners often face pain points such as product cracking after repeated bending, fatigue damage under long-term dynamic use, and unquantifiable flexing service life. Haifeng is equipped with a professional polyurethane flex tester, covering raw material fatigue verification, formula R&D debugging and finished product delivery inspection, to provide reliable durability assurance for all our polyurethane equipment and supporting product solutions.<\/div><\/div>
This testing equipment is used for internal quality control and R&D support of Haifeng products, and is not sold separately.<\/div><\/div><\/blockquote><\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t
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Technical Specifications<\/h2>\t\t\t\t<\/div>\n\t\t\t\t
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Parameter<\/th> Detailed Configuration<\/th> <\/tr> <\/thead>
Equipment Type<\/td> Polyurethane special flex fatigue tester, part of our Testing Machines quality control system<\/td> <\/tr>
Bending Angle<\/td> 0\u2013180\u00b0 adjustable, adapting to different product test standards<\/td> <\/tr>
Test Frequency<\/td> 10\u2013300 cycles\/min, stepless adjustment according to test requirements<\/td> <\/tr>
Counting Range<\/td> 0\u2013999,999 cycles, automatic recording and shutdown when set value is reached<\/td> <\/tr>
Available Test Items<\/td> Flexural strength, bending fatigue life, low-temperature flex resistance, repeated flex cracking resistance<\/td> <\/tr>
Applicable Standards<\/td> ISO 178, ASTM D790, ISO 5423 and other mainstream polyurethane flex test standards<\/td> <\/tr>
Sample Station<\/td> Multi-station design, supports simultaneous testing of multiple groups of samples<\/td> <\/tr>
Calibration Management<\/td> Annual calibration by third-party professional institutions to ensure test validity<\/td> <\/tr> <\/tbody> <\/table>\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t
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Anwendungsszenarien<\/h2>\t\t\t\t<\/div>\n\t\t\t\t
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This flex testing equipment serves the full quality control cycle of our polyurethane products and equipment supporting solutions:<\/div><\/div>
  • Footwear product quality control: Test the flex cracking resistance of shoe soles and KPU shoe uppers to verify service life under daily walking conditions<\/li>
  • Automotive interior inspection: Verify the bending fatigue performance of dashboard components, door panel trim and buffer foam parts to avoid cracking during long-term use<\/li>
  • Industrial product testing: Inspect the repeated bending resistance of solid tire components, buffer blocks and sealing parts to meet dynamic working condition requirements<\/li>
  • Raw material formula verification: Test the flex toughness of different polyol and isocyanate systems to support formula optimization of low pressure polyurethane foaming machines<\/li>
  • Cold-region performance matching: Combined with low-temperature environment, verify the flex resistance of products under cold climate conditions<\/li><\/ul><\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t
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    Core Quality Assurance Advantages<\/h2>\t\t\t\t<\/div>\n\t\t\t\t
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    1. Full-Process Fatigue Control, Reliable Long-Term Use<\/h3>\t\t\t\t<\/div>\n\t\t\t\t
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    From raw material screening to finished product delivery, flex fatigue performance is verified at each key node to effectively avoid cracking and damage after repeated bending, ensuring the long-term service life of delivered products.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t

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    2. Standardized Test Conditions, Authentic and Comparable Data<\/h3>\t\t\t\t<\/div>\n\t\t\t\t
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    Adjustable bending angle and stable test frequency ensure consistent test conditions for each batch. With regular third-party calibration, the test results strictly comply with international mainstream standards, and the data is authoritative and comparable.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t

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    3. Support Formula Debugging, Shorten Product Development Cycle<\/h3>\t\t\t\t<\/div>\n\t\t\t\t
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    With independent flex testing capability, we can quickly verify the bending performance of different formulas and process schemes when matching foaming equipment solutions for customers, accelerating the landing of customized products.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t

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    4. Strict Factory Inspection, Reduce After-Sales Quality Risks<\/h3>\t\t\t\t<\/div>\n\t\t\t\t
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    Each batch of delivered products for dynamic working conditions has passed sampling flex test, which effectively reduces quality objections caused by insufficient bending resistance and lowers customer application risks.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t

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    5. Complete Testing Matrix, Multi-Dimensional Quality Guarantee<\/h3>\t\t\t\t<\/div>\n\t\t\t\t
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    In addition to the flex tester, we are also equipped with tensile tester, peel strength tester, brittleness temperature tester and other testing equipment to cover all-round performance verification of polyurethane products.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t

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    6. Linked Production Process, Optimize Durability Scheme<\/h2>\t\t\t\t<\/div>\n\t\t\t\t
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    Combined with rich polyurethane foaming process experience, we can adjust equipment parameters and formula schemes according to test results to help customers achieve the best balance between bending durability and production cost.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t

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    Quality Control Service Commitment<\/h2>\t\t\t\t<\/div>\n\t\t\t\t
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    • All delivered products can provide corresponding flex test reports on request<\/li>
    • Customized durability solutions support multi-round test verification to meet customer performance indicators<\/li>
    • Regular batch sampling during mass production to ensure long-term stable flex performance of products<\/li>
    • Unified technical support from Haifeng professional testing team to answer material fatigue performance related questions<\/li><\/ul>\t\t\t\t\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},"featured_media":7599,"parent":0,"template":"","meta":{"_acf_changed":false,"_seopress_titles_title":"","_seopress_titles_desc":"","_seopress_robots_index":"","_seopress_robots_follow":"","_seopress_robots_imageindex":"","_seopress_robots_snippet":"","_seopress_robots_primary_cat":"","_seopress_robots_breadcrumbs":"","_seopress_robots_freeze_modified_date":"","_seopress_robots_custom_modified_date":"","_seopress_robots_canonical":"","_seopress_social_fb_title":"","_seopress_social_fb_desc":"","_seopress_social_fb_img":"","_seopress_social_fb_img_attachment_id":0,"_seopress_social_fb_img_width":0,"_seopress_social_fb_img_height":0,"_seopress_social_twitter_title":"","_seopress_social_twitter_desc":"","_seopress_social_twitter_img":"","_seopress_social_twitter_img_attachment_id":0,"_seopress_social_twitter_img_width":0,"_seopress_social_twitter_img_height":0,"_seopress_redirections_value":"","_seopress_redirections_enabled":"","_seopress_redirections_enabled_regex":"","_seopress_redirections_logged_status":"","_seopress_redirections_param":"","_seopress_redirections_type":0,"_seopress_analysis_target_kw":""},"equipment-category":[87,74],"class_list":{"0":"post-7598","1":"equipment","2":"type-equipment","3":"status-publish","4":"has-post-thumbnail","6":"equipment-category-flexing-tester","7":"equipment-category-testing-machines"},"acf":[],"jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/haifengmachine.com\/de\/wp-json\/wp\/v2\/equipment\/7598","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/haifengmachine.com\/de\/wp-json\/wp\/v2\/equipment"}],"about":[{"href":"https:\/\/haifengmachine.com\/de\/wp-json\/wp\/v2\/types\/equipment"}],"version-history":[{"count":7,"href":"https:\/\/haifengmachine.com\/de\/wp-json\/wp\/v2\/equipment\/7598\/revisions"}],"predecessor-version":[{"id":7609,"href":"https:\/\/haifengmachine.com\/de\/wp-json\/wp\/v2\/equipment\/7598\/revisions\/7609"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/haifengmachine.com\/de\/wp-json\/wp\/v2\/media\/7599"}],"wp:attachment":[{"href":"https:\/\/haifengmachine.com\/de\/wp-json\/wp\/v2\/media?parent=7598"}],"wp:term":[{"taxonomy":"equipment-category","embeddable":true,"href":"https:\/\/haifengmachine.com\/de\/wp-json\/wp\/v2\/equipment-category?post=7598"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}