Why the ultrasonic welding of plastic

Ultrasonic bonding is the plastic toy industry has been widely used as a fastening connection method, but not all plastic can ultrasonic bonding. With the plastic properties are, generally speaking, the crystallization of plastic ( such as PP, PE ) is difficult to ultrasound, crystalline plastics can be ultrasound, and crystalline plastics can also be ultrasound, such as PS and PMMA can be made between ultrasound, typical products, such as the telescope series telescope, the lens is PMMA, and the mirror body may be PS or ABS, can be directly to the PMMA lens ultrasonic bonding to PS or ABS mirror body, but in general, the hard plastic toy products using the most is polystyrene ( PS ) and its improved varieties, so ultrasonic bonding using at most the


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