28Khz ultrasonic sealing and cutting machine to test the airtightness of PE film. From this video we can see that the material is sealed and cut smoothly and precisely, with no marks on the edges, and the airtightness is very good. Ultrasonic sealing and cutting is used for various materials of 100% synthetic fibers, such as nylon, polyester, polypropylene, some polyethylene, modified acrylic resin, vinyl compound, urethane compound, film, coated paper, etc. Also includes Synthetic Fiber Blend 35-50% synthetic fiber content. Ultrasonics cut and sew at the same time, preventing knitted or textile materials from unraveling. It has groove edge taper to avoid pilling. Applications include cutting, carpet trim, apparel labels, drapes, cable materials and industrial braids, among others. Ultrasonic sealing and cutting helps reduce waste and cost, preserves product shape and does not stain surfaces, far superior to other systems.

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