{"product_id":"flex-durability-tester","title":"Flex Durability Tester","description":"\u003ch2\u003eFlex Durability Tester – QualiFlex™ FDT Series\u003c\/h2\u003e\n\u003cp\u003eThe Flex Durability Tester – QualiFlex™ FDT Series is a high-precision testing instrument designed to evaluate the resistance of flexible barrier materials against repeated bending, twisting, and compression stresses experienced during packaging operations, transportation, and product usage.\u003c\/p\u003e\n\u003cp\u003eThe system performs the ASTM F392 (Gelbo Flex) test method by applying controlled torsional and compressive movements to simulate real-world flexing conditions that may lead to micro-crack formation, pinholes, and barrier performance loss.\u003c\/p\u003e\n\u003cp\u003eBuilt for accurate and repeatable testing, the QualiFlex™ FDT Series delivers quantitative analysis of flex-crack development and durability changes in films, laminates, composites, and coated materials. This advanced flex durability testing solution supports quality control and material research applications in packaging, medical, and industrial laboratories where maintaining long-term barrier protection is essential.\u003c\/p\u003e\n\u003ch2\u003eFlex Durability Tester – QualiFlex™ FDT Series Applications\u003c\/h2\u003e\n\u003cp\u003eThe Flex Durability Tester – QualiFlex™ FDT Series is designed for evaluating flex fatigue resistance and barrier durability across a wide range of flexible materials and packaging applications, including:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eFlexible Packaging Films \u0026amp; Laminates\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eTesting PE, PP, PET, EVOH, and multilayer composite films to measure flex-crack resistance, identify potential pinhole formation, and maintain package barrier performance.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eBarrier-Coated and Metallized Films\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eEvaluating coated substrates used in advanced packaging applications to verify coating integrity, adhesion performance, and barrier stability after repeated flexing cycles.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eMedical and Sterile Packaging\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eAssessing pouch and package durability to ensure reliable integrity during handling, sterilization processes, and distribution conditions.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eIndustrial and Protective Films\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eAnalyzing geomembranes, agricultural films, and industrial barrier materials exposed to continuous mechanical stress and repeated flexing environments.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ctable class=\"table customtable\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0786\/1859\/1543\/files\/fte-51-612048170.webp?v=1785245281\" alt=\"Flex Durability Tester\"\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0786\/1859\/1543\/files\/fte-52-1524073423.webp?v=1785245277\" alt=\"Flex Durability Tester\"\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0786\/1859\/1543\/files\/fte-53-1227645029.webp?v=1785245275\" alt=\"Flex Durability Tester\"\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0786\/1859\/1543\/files\/fte-54-1039123999.webp?v=1785245274\" alt=\"Flex Durability Tester\"\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp class=\"text-align-center\"\u003eStage 1\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp class=\"text-align-center\"\u003eStage 2\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0786\/1859\/1543\/files\/fte-55-1429018829.webp?v=1785245273\" alt=\"Flex Durability Tester\"\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0786\/1859\/1543\/files\/fte-56-996803478.webp?v=1785245273\" alt=\"Flex Durability Tester\"\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp class=\"text-align-center\"\u003eStage 3\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp class=\"text-align-center\"\u003eStage 4\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0786\/1859\/1543\/files\/fte-57-1794880580.webp?v=1785245271\" alt=\"Flex Durability Tester\"\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0786\/1859\/1543\/files\/fte-58-514761039.webp?v=1785245270\" alt=\"Flex Durability Tester\"\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp class=\"text-align-center\"\u003eStage 5\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp class=\"text-align-center\"\u003eStage 6\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0786\/1859\/1543\/files\/fte-59-55754637.webp?v=1785245270\" alt=\"Flex Durability Tester\"\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0786\/1859\/1543\/files\/fte-60-1913485853.webp?v=1785245269\" alt=\"Flex Durability Tester\"\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp class=\"text-align-center\"\u003eStage 7\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp class=\"text-align-center\"\u003eStage 8\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003eStandard:\u003c\/h2\u003e\n\u003cp\u003eThe ASTM F392 (Gelbo Flex) test method is a standardized procedure for evaluating the flex durability of flexible packaging materials. It subjects test specimens to repeated twisting and compression cycles to measure their resistance to flex cracking, pinhole development, and barrier performance loss under simulated handling conditions.\u003c\/p\u003e\n\u003ch2\u003eFlex Durability Tester – QualiFlex™ FDT Series Key Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eASTM F392 Gelbo Flex Compliance\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003ePerforms the standardized Gelbo flex durability test procedure with automated operation to evaluate flexible packaging material performance.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eProgrammable Test Modes\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eOffers five preset flex testing programs for efficient material screening, durability evaluation, and extended endurance testing.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eMultiple Test Stations\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eAvailable multi-station configurations enable simultaneous testing, increased productivity, and reliable comparison of test results.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003ePrecise Motion Control\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eProvides accurate control of torsional movement, compression stroke, and test cycle frequency to maintain consistent and repeatable testing conditions.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003ePLC Control with Touchscreen HMI\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eFeatures an industrial PLC system with an intuitive touchscreen interface for easy parameter setup, operation, and real-time test monitoring.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eHigh Mechanical Stability\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eRobust mechanical design reduces vibration effects and maintains uniform loading conditions during long-duration flex testing.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eFlexible Sample Handling\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eAccommodates standard specimen dimensions commonly used for flexible barrier films, laminates, and composite materials.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eTheory and Method\u003c\/h2\u003e\n\u003cp\u003eThe QualiFlex™ FDT Series operates based on the Gelbo Flex testing principle, a standardized flex durability evaluation method defined by ASTM F392. During the test, specimens are securely mounted between rotating mandrels and exposed to controlled mechanical movements, including:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eCombined torsional twisting\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eApplies rotational movement of up to 440° over a defined stroke length to simulate repeated flexing conditions.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eSimultaneous horizontal compression\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eIntroduces compressive stress along with twisting motion to replicate mechanical strain experienced during handling and transportation.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eControlled cyclic motion\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eMaintains a consistent test frequency to provide repeatable and standardized flex fatigue evaluation.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe combined twisting and compression forces create repeated mechanical stress that accelerates flex fatigue in flexible barrier materials. After completing a defined number of test cycles, specimens are analyzed for:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003ePinhole formation\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eFlex crack development\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eChanges in gas transmission rate (GTR), oxygen transmission rate (OTR), or water vapor transmission rate (WVTR)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe test results provide valuable insight into material durability and help establish a correlation between laboratory measurements and actual handling performance of flexible packaging materials.\u003c\/p\u003e\n\u003ch2\u003eFlex Durability Tester – QualiFlex™ FDT Series Technical Specifications\u003c\/h2\u003e\n\u003ctable class=\"table\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eQualiFlex™ FDT-01\u003c\/th\u003e\n\u003cth\u003eQualiFlex™ FDT-02\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eTest Standard\u003c\/td\u003e\n\u003ctd\u003eASTM F392\u003c\/td\u003e\n\u003ctd\u003eASTM F392\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFlex Frequency\u003c\/td\u003e\n\u003ctd\u003e45 cycles\/min\u003c\/td\u003e\n\u003ctd\u003e45 cycles\/min\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFlex Angle\u003c\/td\u003e\n\u003ctd\u003e440° (90 mm) or 400° (80 mm)\u003c\/td\u003e\n\u003ctd\u003e440° (90 mm) or 400° (180 mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHorizontal Stroke\u003c\/td\u003e\n\u003ctd\u003e155 mm or 80 mm\u003c\/td\u003e\n\u003ctd\u003e155 mm or 80 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTorque Capacity\u003c\/td\u003e\n\u003ctd\u003e2.5 N·m\u003c\/td\u003e\n\u003ctd\u003e3.5 N·m\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTest Stations\u003c\/td\u003e\n\u003ctd\u003e4\u003c\/td\u003e\n\u003ctd\u003e3\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSample Size\u003c\/td\u003e\n\u003ctd\u003e280 mm × 200 mm\u003c\/td\u003e\n\u003ctd\u003e280 mm × 200 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eControl System\u003c\/td\u003e\n\u003ctd\u003ePLC + Touchscreen HMI\u003c\/td\u003e\n\u003ctd\u003ePLC + Touchscreen HMI\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVoltage\u003c\/td\u003e\n\u003ctd\u003eAC 110–220 V, 50 Hz\u003c\/td\u003e\n\u003ctd\u003eAC 110–220 V, 50 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"Qualitest USA LC","offers":[{"title":"Default Title","offer_id":52732404367671,"sku":null,"price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0786\/1859\/1543\/files\/flex-durability-tester777431678.webp?v=1785245211","url":"https:\/\/qualitest.us\/es\/products\/flex-durability-tester","provider":"Qualitest USA LC","version":"1.0","type":"link"}