The essence of usage zippers in packaging is for sealing, opening and re-sealing of pouches which are used in the packaging of different products.
Zippers can seal vertically or horizontally on the pouch on which it is been used no matter the multiple of time. Zippers help in securing the packaged product to retain its freshness for a longer period of time.
Zippers are very flexible because of the materials used in making them, such materials are
POLYETHYLENE ( PE )
POLYPROPYLENE (pp), these materials enables the zippers to last have long durability.
Zippers can be manufactured according to custom specifications in different sizes, length, width and colours, to suit the packaging material on which it will be used for packaging purposes. Those materials on which the zippers could be use include the following;
- CO-EXTRUDED MATERIAL
- METALIC MATERIALS
- POLYETHYLENE. Etc