HOW ARE TISSUE PAPERS MANUFACTURED?
Tissue paper is mainly manufactured through the following steps:
Raw Material Preparation
- The primary raw material is wood pulp. The wood pulp can come from different sources such as softwood or hardwood trees.
Sometimes recycled fiber is also used to make more environmentally - friendly products. The pulp is usually mixed with water to form a slurry.
Forming the Paper
- The pulp slurry is then poured onto a wire - like conveyor belt called a Fourdrinier wire.
As the water drains through the wire, the fibers start to bond together and form a wet web of tissue paper.
- Through a process called suction, more water is removed from the web, and the fibers get more closely intertwined.
Pressing and Drying
- The wet tissue web is then passed through a series of rollers. These rollers press the paper to squeeze out additional water and flatten it.
- After pressing, the paper goes through a drying section.
This can involve heated cylinders that evaporate the remaining moisture in the paper and make it dry enough to handle.
Creping
- A crucial step for tissue paper is creping. The dried paper is passed over a large metal cylinder with a very sharp blade.
The blade scrapes the paper as it rotates, which causes the paper to crinkle. This creping process gives tissue paper its softness and flexibility.
Converting and Packaging
- After creping, the tissue paper is cut into the desired sizes, such as the standard rectangular sheets we see for facial tissues or toilet tissues.
- The cut tissues are then stacked, folded, and packaged either in boxes for facial tissues or in rolls for toilet tissues.
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