Wet Glue Labelling
Wet glue labelling machines come in three main varieties. Most apply glue which is liquid at room temperature. Others use a solid glue, heated to become a liquid. The third type of wet glue labelling machine is the pre-gummed label applicator, which is far less commonly used.
The standard wet glue labeller applies labels from a stack to containers at very high speed. It is a technique principally used on rigid packaging, such as glass or durable plastic bottles. The beverage industry, in particular, commonly uses wet glue labelling, as these machines are ideal for use in wet environments where containers are filled with liquid.
Another benefit of wet glue labelling is that it allows for the application of decorative labels, which can be of complex shapes, with embossing or other textural elements. It also allows such labels to be adhered to containers of irregular shapes. It is often the case that more than one label is required per container, which requires the use of several applicators.
Wet Glue Labelling Methods
Various types of Wet Glue labelling are used in packaging environments. The three main types are described here.
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- Pressure sensitive labels
- Wraparound labelling
- Self-adhesive labelling
- Release coating
- Reel-fed applicator
- Hot-foil stamping
- Combination press
- Rotary sink screen
- UV flexo
- Booklet labels