... other compound materials, thermoplastic plastics foil film and plastic sheet.1,Summary of Ultrasonic Lace Sewing machineultrasonic lace sewing machine ... masks, respirator (cup type masks, dust masks, disposable non-woven 3 ply face masks, etc)Details of the machine: 2 ... more than 30%), for instance, Nylon, needlework cloth, non-woven fabrics, T\R cloth, Tetoron cloth(Polyester cloth),multilayer cloth ...