... fiber fabrics. Ultrasonic Non-woven Sewing Bag MachineModel: MS-50/50S/50DCharacteristicsPower Supply: 220V±5V 50Hz (60Hz)Working Frequency: 20KHzOutput ... for Hot Fusibility, for example: polyester, nylon, chemical and non-woven fabricsPacking Size: L (130cm)x W(60cm)x H ... slice, such as chemical fibrous cloth, nylon cloth, knitting cloth, non spin cloth, gush glue cotton, PE paper, PE + aluminium ...