... parts : bumpers, air filters, car audios, foot pads, door panels,clutch forks;2. Electric products : humidifiers, chargers, storage battery, telephones, sockets ... is very fast ,welding time is only 0.01-9.99 second.2. Strength : can bear more pressure and tension (the ... transmitted through the parts to melt and bond thermoplastic materials.2) This technique is fast , efficient , non-contaminating and ...