Good wet toilet tissue dispensing should allow the user to pull out one sheet easily, separate it cleanly, and leave the next sheet ready for use. Achieving this experience requires the perforation design, folding and stacking, moisture level, and packaging opening to work together.
Traditional wet wipes usually use individually separated sheets. After one sheet is removed, the next sheet may remain inside the package, requiring the user to reach into the pack again.
For wet toilet tissue, especially in bathroom applications, a more convenient pull-out experience can be useful. One solution is a point-perforated pull-out design.
Adjacent sheets remain connected through controlled perforation points. When the user pulls out one sheet, part of the next sheet is brought out at the same time. The first sheet can then be separated along the perforation, leaving the next sheet accessible.
However, reliable dispensing requires more than simply adding perforation. Several product and production factors need to work together.
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Optimize the Point-Perforation Design
The point-perforation design is one of the most important factors affecting how wet toilet tissue connects, pulls out, and separates.
A good design needs enough connection strength to bring out the next sheet, but not so much that the current sheet becomes difficult to tear away.
Point size, spacing, number, and position should therefore be considered as one complete system.
Perforation Point Size
The size of each perforation point directly affects the connection strength between adjacent sheets.
If the connection points are too small or weak, the sheets may separate before the next sheet is brought out of the package.
If they are too large or strong, more pulling force may be required. The user may then have difficulty separating the current sheet, or too much of the next sheet may be pulled out.
The correct point size depends on the actual material, sheet structure, moisture level, and required dispensing behavior.
Perforation Point Spacing
The spacing between perforation points also changes the overall connection and separation behavior.
Different spacing patterns create different levels of connection strength. The setting therefore needs to balance two requirements:
Reliable Pull-Out + Easy Separation
Perforation spacing should not be determined independently. It needs to be tested together with point size, material properties, and finished-product moisture.
Number and Position of Perforation Points
Wet toilet tissue does not necessarily require a continuous perforation pattern across the entire connection line.
Depending on the product design, several key connection points may be sufficient. For example, a product may use four or five connection points rather than continuous perforation.
Their position and overall pattern also affect how force is distributed when the sheet is pulled.
For this reason, manufacturers should evaluate:
- Point size
- Point spacing
- Number of points
- Position of points
- Overall connection pattern
The objective is not to maximize connection strength. It is to create enough connection to bring out the next sheet while still allowing the current sheet to separate easily.
Keep Folding, Stacking and Product Structure Consistent
Even a well-designed perforation pattern cannot provide consistent dispensing if folding and stacking vary from pack to pack.
Stable folding, accurate sheet counting, and uniform stacking help maintain similar product structure and pulling resistance across production batches.
If sheets become displaced or the stack is uneven, the dispensing behavior can change even when the perforation pattern remains exactly the same.
For this reason, consistent folding and servo-controlled counting and stacking are important during production.
The goal is:
Stable Folding → Accurate Counting → Uniform Stacking → Consistent Dispensing
Manufacturers should therefore evaluate dispensing as part of the complete product structure rather than treating perforation as an independent feature.
Maintain a Consistent Moisture Level
Moisture level directly affects the weight, softness, pulling resistance, and separation behavior of wet toilet tissue.
If too little liquid is applied, the product may not provide the softness and wetness expected by the user.
If too much liquid is added, the sheets can become heavier and softer. This can change pulling resistance and separation behavior and may make the tissue more likely to break during dispensing.
Consistency between packs is equally important.
If liquid dosing varies significantly, different packs may have different weights and different dispensing characteristics even when the material and perforation design are the same.
Accurate liquid dosing and stable liquid distribution are therefore important not only for moisture control and finished-product weight, but also for maintaining a consistent dispensing experience.
Optimize the Packaging Opening and Lid
The packaging opening should work together with the tissue structure instead of creating unnecessary friction during dispensing.
Even when the tissue itself is properly designed, the size, shape, and position of the package opening can affect how easily the sheet comes out.
If the opening is too small, excessive friction may increase the pulling force required.
If the opening is too large, too much of the next sheet may be pulled out, potentially creating product waste and reducing package protection.
For products using a plastic lid, the lid and opening should also be designed around the point-perforated tissue structure.
The complete dispensing experience should ideally be:
Pull One Sheet → Tear It Off → Next Sheet Is Ready
This means the packaging and tissue should be developed as one dispensing system rather than as two unrelated components.
Test Dispensing Performance Before Mass Production
The final perforation and dispensing settings should be determined through finished-product testing rather than theoretical calculations alone.
Manufacturers can evaluate:
- Pulling force
- Ease of sheet separation
- Amount of the next sheet presented
- Whether the next sheet remains accessible
- Dispensing performance at different moisture levels
- Consistency between different packs
Different combinations of point size, spacing, number, and position can be tested using the actual nonwoven material and finished-product structure.
This step is important because the same perforation design may behave differently when the nonwoven material, sheet dimensions, thickness, stack structure, or moisture level changes.
A setting that works well for one product specification may therefore require adjustment for another.
Testing should focus on the actual user experience:
Can one sheet be pulled out smoothly?
Does the current sheet separate easily?
Is enough of the next sheet presented for the next use?
Does the same behavior remain consistent from pack to pack?
Only after these factors are verified should the final product specification be confirmed for mass production.
Conclusion
Reliable wet toilet tissue dispensing is the result of perforation, folding, stacking, moisture control, packaging, and testing working together.
Point-perforation determines how adjacent sheets connect and separate. Folding and stacking affect product structure. Moisture changes sheet behavior and pulling resistance. The packaging opening affects friction and how much of the next sheet is presented.
For manufacturers, improving dispensing is not about adding unnecessary product features. The purpose is to create a more practical product that better matches how consumers actually use wet toilet tissue.
The target experience is simple:
Pull Out One Sheet → Separate It Cleanly → Leave the Next Sheet Ready
Achieving that simple user experience requires careful control of many small technical details during product development and production.
Perforation point size, spacing, connection pattern, folding accuracy, moisture level, and packaging design may appear to be individual details, but together they determine how the finished product performs in real use.
The goal is not technology for technology’s sake. It is to use the right production and product design to create a more convenient and consistent dispensing experience for the consumer.
