Induction sealing, otherwise known as cap sealing, is a non-contact method of heating a metallic disk to hermetically seal the top of plastic and glass containers. This sealing process takes place after the container has been filled and capped.
The closure is supplied to the bottler with foil liner already inserted. Although there are various liners to choose from, a typical induction liner is mulch-layered. The top layer is a paper pulp that is generally spot-glued to the cap. The next layer is wax that is used to bond a layer of aluminum foil to the pulp. The bottom layer is a polymer film laminated to the foil. After the cap or closure is applied, the container passes under an induction coil, which emits an oscillating electromagnetic field.
Established in the year 1997, JSA Enterprises has emerged as a reliable and trusted manufacturer and exporter of a comprehensive range of packaging industry supplies. induction sealing wads, induction foils, cork wads, EPE liner.
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