Sanitary Pads Raw Material Composition and Properties

# Sanitary Pads Raw Material Composition and Properties

Sanitary pads are essential personal hygiene products used by millions of women worldwide. Understanding the raw materials that go into their production is crucial for both manufacturers and consumers. This article delves into the composition and properties of the raw materials used in sanitary pads.

## Core Components of Sanitary Pads

The primary components of sanitary pads include the top sheet, absorbent core, back sheet, and adhesive. Each of these components is made from specific materials that contribute to the overall functionality and comfort of the pad.

### Top Sheet

The top sheet is the layer that comes into direct contact with the skin. It is typically made from non-woven fabrics or perforated films. These materials are chosen for their softness, breathability, and ability to quickly wick moisture away from the skin.

### Absorbent Core

The absorbent core is the heart of the sanitary pad, responsible for absorbing and retaining menstrual fluid. It is usually composed of a blend of fluff pulp and superabsorbent polymers (SAP). Fluff pulp provides bulk and absorbency, while SAP enhances the pad’s capacity to retain liquid.

### Back Sheet

The back sheet is the outermost layer of the sanitary pad, designed to prevent leakage. It is commonly made from polyethylene or polypropylene films, which are impermeable to liquids but allow air to pass through, ensuring breathability.

### Adhesive

Adhesive is used to secure the sanitary pad in place within the underwear. It is typically a pressure-sensitive adhesive that is safe for skin contact and provides a strong yet gentle hold.

## Properties of Raw Materials

The raw materials used in sanitary pads are selected based on several key properties:

### Softness and Comfort

Materials used in the top sheet and absorbent core must be soft and gentle on the skin to prevent irritation and ensure comfort during use.

### Absorbency and Retention

The absorbent core must have high absorbency and retention capabilities to effectively manage menstrual flow and prevent leakage.

### Breathability

Both the top sheet and back sheet should allow air to circulate, reducing the risk of skin irritation and maintaining a comfortable environment.

### Leakage Prevention

The back sheet must be impermeable to liquids to prevent leakage, while the adhesive ensures the pad stays securely in place.

### Safety and Hypoallergenic Properties

All materials used in sanitary pads must be safe for skin contact and hypoallergenic to minimize the risk of allergic reactions.

## Conclusion

The raw materials used in sanitary pads are carefully selected to ensure optimal performance, comfort, and safety. Understanding the composition and properties of these materials helps in making informed choices and appreciating the technology behind these essential hygiene products.