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The absorbent core of a sanitary napkin is mainly made of SAP, pulp, or SAP Paper, which is a composite of two layers of tissue paper wrapped in the above material. the SAP paper on high-end sanitary napkins replaces the tissue paper with airlaid paper.

| Items | Unit | Requirement | Result |
| Color | none | White | White |
| Basis weight | g/m? | 170±6% | 172 |
| Width | mm | 65±1.5 | 65.1 |
| Thickness | mm | 1.7±3 | 1.8 |
| Absorbency rate | ml/g | ≥40 | 80 |
| PH Value | 5.5-8.0 | 7.3 | |
| Whiteness | % | ≥83 | 86 |
| Moisture | % | ≤10 | 5.0 |
| Breaking tension | N | 24 | 24 |
| Others | Wrinkles/ corrugation | None | |
| Roll edge appearance | Neat, Clean, No Obvious Defects | ||
| C ontamination | No Obvious Contamination; Free From Foreign Matter | ||
| Holes/Thin spots/Formation | No Obvious Holes / Thin Spots / With Good Formation | ||
Experience the ultimate in durability and exceptional absorption capacity.
Elevate your comfort with a drier and more comfortable experience.
Save costs with our reusable and long-lasting product.
Enjoy the benefits of an ultra-thin and lightweight solution.
Contribute to a better environment and maintain good health.
Indulge in the plush, absorbent, soft, hygienic, and delightful touch of our product.
Wrapped by pe film in jumbo roll

3. Supports customisation, low MOQ.
4. Cost effective, source manufacturer.
5. 17 years of production experience, no worries after sale.
LONSUN is a professional SAP paper manufacturer. We have 6 factorys and rich exprience. We can provide one-stop purchase of raw materials for disposable hygiene products. To learn more, contact us.
To know or purchase more raw materials for nappies and sanitary napkins, contact us.
Table of Contents Core Conclusion Material Composition Aging Mechanisms Performance Decay National Standards Supply Chain Recommendations Consumer Tips I. Core Conclusion: "Expiration" is Material Aging, Not Bacterial Spoilage Many people assume that sanitary pad ex
1. IntroductionHave you ever wondered how modern women stay fresh and comfortable every day? Panty shields play a key role in daily feminine hygiene. These discreet, absorbent products help manage light discharge and leaks.In this article, we will explore what a panty shield is, its purpose,