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    AI Overview
    TPU air sole air cushion blow molding machine
    Blow molding Thermoplastic Polyurethane (TPU) is a specialized process used to create flexible, durable, and resilient hollow parts, such as shoe air soles, automotive bellows, and bladders. It predominantly utilizes Extrusion Blow Molding (EBM), where TPU is melted into a parison, clamped, and inflated to match a mold. Key requirements include using specific blow-grade TPU, thorough drying to
    <0.05
    %
     moisture, and controlling mold temperatures, typically between
    10∘C10 raised to the composed with power C
    10∘C
     to
    80∘C80 raised to the composed with power C
    80∘C
    . 
    Key Aspects of Blow Molding TPU 
    • Common Applications: High-performance products requiring elasticity, abrasion resistance, and toughness, including air cushions for sneakers, medical equipment, technical tubes, and automotive bellows.
    • Processing Requirements:
      • Drying: TPU is highly hygroscopic. It must be dried at
        80∘C80 raised to the composed with power C
        80∘C
        –
        110∘C110 raised to the composed with power C
        110∘C
         for approximately 3 hours to achieve a moisture content of less than
        0.05
        %
        , as described on this Blow Molding Machine product page.
      • Temperature Control: Proper cooling in the mold is essential for cycle times, with recommended mold temperatures of
        10∘C10 raised to the composed with power C
        10∘C
        –
        80∘C80 raised to the composed with power C
        80∘C
        .
      • Mold Design: Rough textures (0.002” to 0.003”) inside the mold cavity help with part ejection, as noted in this TPU Processing Guide.
    • Material Characteristics: TPU offers superior abrasion resistance, high tensile strength, and cold/heat resistance. Polyester-based TPUs are often preferred for their high melt stability, while polyether grades provide excellent hydrolysis resistance.
    • Recyclability: TPU is recyclable and can be reprocessed, though it is usually limited to a maximum of 30% regrind mixed with virgin material to maintain physical properties. 
    Commonly Used TPU Grades for Blow Molding 
    • Elastollan (BASF): Various grades suitable for standard blow molding.
    • Miractran (Nippon Miractran): E-type and P-type, known for high elasticity and mechanical strength.
    • Koslen (B-795AH10 / E-390AH): Specialized for high melt stability and short cycle times.
    • Estane (Lubrizol): Well-known for, as detailed in this Guide, excellent resilience and flexibility. 
    • Polyester Extrusion Blow Molding TPU Material | Huafon
      The blow molding TPU material has numerous characteristics, including outstanding physical properties, excellent mechanical proper...
      Zhejiang Huafon Thermoplastic Polyurethane Co., Ltd.
    • Blow Grade TPU Been Used To Produce Auto Suspension ...
      Koslen blow grade B-795AH10 and E-390AH are features with high melt stability and short cycle times. These blow grades deliver wha...
      Kunsun Polymer Material (Fujian) Co., Ltd
    • dkb-6td tpu shoe air-sole cushion extrusion blow molding machine
      Jun 28, 2025 — It is recommended that the TPU raw materials must be fully dried to a moisture content of less than 0.05% before processing. Maste...
      blowmoldingsuper.com
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    Web results

    Blow Molding


    Lubrizol
    https://www.lubrizol.com › tpu › blow-modling
    Lubrizol
    https://www.lubrizol.com › tpu › blow-modling
    Our thermoplastic polyurethanes (TPUs) can stand up to the exacting part dimensions your spec requires and can do so through high-heat or low pressure, ...Read more

    Injection Molding,extrusion,calendering And Blow Molding


    Kunsun Polymer Material (Fujian) Co., Ltd
    https://www.tpupolymer.com › blog › techniques-for-pr...
    Kunsun Polymer Material (Fujian) Co., Ltd
    https://www.tpupolymer.com › blog › techniques-for-pr...
    Mar 9, 2023 — TPU can be processed by a variety of techniques including injection molding,extrusion,blow molding and calendering.

    Processing of TPU | Technology by Covestro


    Covestro
    https://solutions.covestro.com › articles › theme › proce...
    Covestro
    https://solutions.covestro.com › articles › theme › proce...
    The most frequently used techniques for processing TPU are injection molding, extrusion and blow molding. For all processing types, we recommend the use of ...Read more
    People also ask
    Can you mold TPU?
    TPU Filament

    It offers high wear resistance and possesses excellent resistance to oils, greases, and solvents. This makes it very suitable for mold-making.    Jan 28, 2025

    Mold Making and Casting | NExT Lab - Maker Spaces Knowledge Base


    Maker Spaces Knowledge Base
    https://ms-kb.msd.unimelb.edu.au › next-lab › mold-ma...
    Maker Spaces Knowledge Base
    https://ms-kb.msd.unimelb.edu.au › next-lab › mold-ma...
    What is the disadvantage of TPU?
    An error has occurred. Please try again later.
    What type of plastic is used for blow molding?
    Most plastics can be blow molded. The list includes HDPE, MDPE, LDPE, PET, polypropylene, PVC, TPE, polystyrene, polycarbonate, PTFE and nylon. Many of these plastics are readily recycled, a topic of increasing concern to packagers and end users/consumers alike. Material choice can impact wall thickness uniformity.Aug 4, 2022

    Blow Molding vs. Injection Molding: What's the Difference?


    CDF Corporation
    https://www.cdf1.com › blow-molding-vs-injection-mold...
    CDF Corporation
    https://www.cdf1.com › blow-molding-vs-injection-mold...
    Does anyone make blow molds anymore?
    An error has occurred. Please try again later.

    Web results

    Something you need to know about TPU injection molding


    chinaruicheng.com
    https://www.chinaruicheng.com › news › something-yo...
    chinaruicheng.com
    https://www.chinaruicheng.com › news › something-yo...
    Apr 23, 2024 — There are various methods of TPU molding process: injection molding, blow molding, compression molding, extrusion molding, etc., ...

    Blow molding TPU


    Eng-Tips
    https://www.eng-tips.com › threads › blow-molding-tpu
    Eng-Tips
    https://www.eng-tips.com › threads › blow-molding-tpu
    Feb 9, 2004 — Blow molding TPU's is a bit more difficult than 'popular' materials like Polyethelene or PVC. Hytrel and Santoprene TPU's are used a lot for car parts.

    Polyester Extrusion Blow Molding TPU Material | Huafon


    Zhejiang Huafon Thermoplastic Polyurethane Co., Ltd.
    http://tpu-material.com › 1-5-blow-molding-tpu-material
    Zhejiang Huafon Thermoplastic Polyurethane Co., Ltd.
    http://tpu-material.com › 1-5-blow-molding-tpu-material
    The blow molding TPU material has numerous characteristics, including outstanding physical properties, excellent mechanical properties, good environmental ...Read more

    TPUs for faster molding


    PlasticsToday
    https://www.plasticstoday.com › Blow Molding
    PlasticsToday
    https://www.plasticstoday.com › Blow Molding
    Blow Molding ... Claiming to answer this cry for help, Bayer has improved its Texin thermoplastic polyurethane (TPU) to shorten molding cycles by 10 to 30 percent ...Read more

    Details about TPU air cushion air sole production on our blow ...


    YouTube · JinJun - blow molding machinery
    210+ views · 2 years ago
    YouTube · JinJun - blow molding machinery
    210+ views · 2 years ago
    2:04
    Details about TPU air cushion air sole production on our blow molding machine Thermoplastic polyurethane is a polymer material that has both ...
    JinJun - blow molding machinery
    YouTube·
    Jun 2, 2023

    Details about TPU air cushion air sole production on our blow ...

    YouTube·JinJun - blow molding machinery·Jun 2, 2023
    YouTube

    Blow Molding Thermoplastic Polyurethane Material


    TAIWAN PU CORPORATION
    https://www.taiwanpu.com › product › TPU-Granules
    TAIWAN PU CORPORATION
    https://www.taiwanpu.com › product › TPU-Granules
    Blow Molding Thermoplastic Polyurethane Material. Key features： - Polyester base - Transparent pellet - Hardness: 85A.90A - Excellent operation - ...Read more
    Discussions and forums
    What is the injection molding process of TPU material?
    Quora · 
    1 answer
     · 4 years ago
    What is the injection molding process of TPU material?
    Quora · 
    1 answer
     · 4 years ago
    TPU molding process has a variety of methods: including injection molding, blow molding, compression molding, extrusion molding, etc ...  More
    How is the TPU injection molding process?
    Quora · 
    2 answers
     · 4 years ago
    How is the TPU injection molding process?
    Quora · 
    2 answers
     · 4 years ago
    TPU molding process has a variety of methods: including injection molding, blow molding, compression molding, extrusion molding, etc ...  More
    See more
    People also search for
    TPU material
    TPU resins
    Covestro TPU
    Zhejiang huafon tpu co ltd

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