Paper bags are convenient for holding numerous items. A paper bag is perfect for packing and fitting customer purchases. It is also ideal for wrapping food products as they have the attributes that keep food fresh, crispy, and tasty.
A brown paper bag is often made of kraft paper, but it can also be constructed from any type of paper. The process of making paper bags usually starts with the treatment of raw materials. In this stage, the chips are converted into pulp. It is then washed, bleached, refined, beat, and sized to form the paper sheets.
The prepared sheets of paper are now stacked one on top of the other and cut to the sizes requested by the client. The design and shape of the paper bag are also determined and implemented at this stage.
Afterward, it is time to choose the handles for the paper bag. If the paper bag has rope handles, eyelets will be added, which will be done at this stage. If the bag has cut-out holes as handles, that will also be done at this stage.
Clients occasionally want sturdy and durable bags. This is done at the hard pressing step when the glue is put between the layers, and they are machine pushed together for a clean, long-lasting bond. Basically, the sheets of paper are pasted together to make the paper bag thicker.
Finally, the process ends with folding, sticking, and finishing. Here, all of the bag’s separately processed pieces, including the front and back sleeves, side flaps, and so on, are assembled, folded, and adhered along the creases. And the final touches, such as attaching the rope handles, are completed. The manufacturing of paper bags comes to a halt at this point.
Read more about how paper bags are made in an infographic by Bagitan Packaging