Application of Core High-Frequency Technology in Seamless TPU Film Welding

The core high-frequency (HF) welding technology of TPU film seamless welding machines utilizes high-frequency electromagnetic fields to induce molecular polarization and generate heat. This enables efficient and precise welding of TPU films across various sectors, including:

**Medical Supplies and Devices**
*   **Disposable blood bags, urinary drainage bags, and external drainage bags:** HF technology ensures uniform heating at the molecular level, resulting in a weld width of over 8mm and a peel strength of ≥15N/15mm at the connection point between the bag body and tubing—far exceeding industry standards. It also prevents material carbonization or degradation, ensuring the safety of medical fluids.
*   **Medical ice pads and anti-bedsore mattresses:** Seamless welded structures prevent fluid leakage and reduce infection risks.
*   **PVC oxygen masks and oxygen bags:** HF welding creates airtight structures, ensuring the safe operation of medical equipment.

**Automotive Interiors and Safety Systems**
*   **Automotive sun visors and inflatable airbags:** HF welding technology enables rapid forming of TPU airbags, meeting the strict sealing and strength requirements of automotive safety systems.
*   **Automotive floor mats, seat cushions, and backrests:** Welding facilitates the lamination of TPU with leather or fabrics, enhancing the durability and comfort of interior components.

**Sports and Outdoor Equipment**
*   **Inflatable tents and canvas welding:** HF technology is used for the seamless joining of architectural membrane materials (such as ETFE and PTFE for stadiums and awnings), achieving welding speeds of 5–10 meters per minute.
*   **Stretch ceilings and industrial belt sidewall sealing:** Enables large-area continuous joining, meeting the demands for lightweight and durable outdoor equipment.

**Packaging and Logistics**
*   **PVC packaging bags and tool packaging seals:** HF welding technology is used for heat-sealing and packaging TPU films, ensuring product airtightness and moisture resistance.
*   **Battery packaging seals and electronic product blister seals:** Precision welding enables secure packaging, protecting electronic products from environmental factors.

**Emerging Application Fields**
*   **Electronic skin and flexible circuits:** As TPU films evolve toward greater functionality and high performance, HF welding technology demonstrates vast potential in emerging fields such as electronic skin and flexible circuits. Electronic skin for humanoid robots and medical dressings: The excellent properties of TPU film, combined with high-frequency welding technology, provide innovative solutions for these emerging fields.