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Panty Liner Manufacturing Process

Panty liner is also called pantiliner, it is a thin absorbent pad worn by women to absorb light menstrual flow or vaginal discharge. It is worn in the gusset of a woman's panties. Some uses include: absorbency for daily vaginal discharge, light menstrual flow, tampon and menstrual cup backup, spotting, post-intercourse discharge, and urinary incontinence. Panty liners can also help with girls who are having discharges and about to start their cycle. Pantyliners are related to sanitary napkins in their basic construction—but are usually much thinner and often narrower than pads. As a result, they absorb much less liquid than pads—making them ideal for light discharge and everyday cleanliness. They are generally unsuitable for the menstruation medium to heavy flow, which requires them to be changed more often.


Panty liner

Pantyliners are found in an assortment of sizes, shapes, and portability options, ranging from tiny, compact liners to long, protective liners designed for heavy vaginal discharge and light days (light menstrual flow). There are even styles designed to fit with thong underwear.


Disposable pantyliners are made with a sticky adhesive on the back of the pad to hold them in place in the panties, and some styles have 'wings' which wrap around the panties, providing additional stability.


Panty liner structure diagram:

Panty liner structure & layers name

In fact, 99.9% of the panty liner in the world is produced by machine, they are manufactured and packaged by the panty liner converting machine. The panty liner that women see in supermarkets or stores is made by panty liner machine.

Panty liner manufacturing flow chart (Core is Fluff pulp + SAP)

Panty liner manufacturing flow chart
Panty liner manufacturing flow chart

Top sheet : 1. PE perforated / 2. Non-woven fbric / 3. Pure cotton

Top sheet materials of panty liner

Panty liner flower embossing & back adhesive method (with release paper)

Panty liner wrapping method


What are the crucial factors in the production of panty liners?


Factor 1: Raw materials, for example, the fluff pulp & SAP quality are very important in panty liners absorbency performance, you can choose the famous brand of fluff pulp or SAP, also you should use reliable non-woven fabrics, ensure the surface of pantyliners are clean and soft. Then you can pay more attention to hot melt adhesive, a good hot melt has no weird smell, doesn't make the panty liner hard, and sticks well.


Factor 2: The machine, the reliable panty liner-making machine can ensure stability & efficiency, the user cannot accept a high waste rate during the production process, so the production efficiency and pass rate are important indicators. Good panty liner machines must use a full servo-controlled method, with high-quality RDC (rotary die cutting) units, an excellent hot melt adhesive system, reliable electronic parts, servo motors, PLC etc, and easy maintenance and operation system.


Factor 3: Skillful workers, factories can develop experienced workers through regular training, who can improve production efficiency and pass rates.







The panty liner not only the fluff-pulp + SAP core mode, but also air-laid paper or SAP paper modes for the customer, so-called ultra-thin, these modes depends on machine allocation and process design if the user wants to make panty liner & mini sanitary pad by one machine, that's possible, the machine maker can add crusher & forming drum unit on the production line for user.






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