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Hygiene Product Raw Material Introduction

 Super Absorbent Polymer (SAP) for Hygiene Products

Super Absorbent Polymer (SAP) for Hygiene Products

03 Nov, 2025
Super Absorbent Polymer (SAP) is one of the most important raw materials for hygiene products, widely used in baby diapers, adult diapers, sanitary napkins, period pants, and disposable underpads. As a core component of the absorbent layer, SAP has the unique ability to absorb and retain liquid many times its own weight, helping maintain dryness, comfort, and leakage protection.
Super absorbent polymer SAP and its swollen state after liquid absorption in baby diaper
In baby diapers and adult diapers, SAP is combined with fluff pulp and nonwoven fabric to form the absorbent core. When liquid contacts the SAP particles, it quickly absorbs and locks moisture inside the polymer structure. The right combination of SAP and pulp affects absorption speed, gel strength, and liquid retention rate—all of which directly impact the quality of the final product.

In sanitary napkins and period pants, SAP improves absorption efficiency and keeps the surface dry, enhancing user comfort during daily use. It also works with breathable PE film and topsheet materials to prevent leakage and maintain air circulation. For disposable underpads, SAP ensures rapid absorption and odor control, making it ideal for medical, nursing, and elderly care applications.

Different grades of SAP are developed to meet various performance needs. Key parameters such as centrifuge retention capacity (CRC), absorbency under load (AUL), and gel strength determine how the material performs under different pressure and liquid conditions. Choosing the right SAP grade is critical for hygiene product manufacturers, as it affects not only product performance but also material cost efficiency.

At Quanzhou Niso Industry Co., Ltd., we provide high-quality SAP for hygiene products, tested for consistency, stability, and safety. Our company also offers a full range of other raw materials, including fluff pulp, nonwoven fabric, PE backsheet film, and elastic materials, supporting a one-stop supply chain for hygiene product manufacturers. With reliable sourcing and strict quality control, we help our partners produce absorbent products that are comfortable, safe, and high performing.
Tags : SAP for hygiene products baby diaper raw materials sanitary napkin SAP

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