... of thermoplastic. Compared with other welding techniques, plastic welding has the advantages of excellent welding quality ... acrylic material,etc.Some application examples of table-type plastic welder.1. Auto parts : bumpers, air filters, ... name card holders, albums. KCH-2020 ultrasonic plastic welder have earned the certification of ISO9001 and CE. ... . 20KHz CE Certificate Ultrasonic Plastic Welder