1, heat sealing

     It is a blister packaging process in which a paper card coated with a blistering oil is heat-sealed together with a blister by a sealing machine to form a blister card package. - Dongguan plastic box

 

2, ultrasonic sealing

    A blister packaging process uses an ultrasonic machine to generate ultrasonic waves, and bonds the blister and the blister to form a double blister package. Unlike the high frequency sealing, the ultrasonic wave can not only seal the PVC or PETG materials, but also The PET material is sealed, and there is no electromagnetic damage to the packaged product, which is especially suitable for the packaging of electronic products; the disadvantage is that the ultrasonic sealing can only be separated by dots, and generally only one straight edge is sealed at a time.

 

3, high frequency sealing

    It is a blister packaging process in which a high frequency machine is used to generate high frequency, and the blister and the blister are bonded together to form a double blister package.