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Labthink Instruments Co., Ltd.
Water Vapor Transmission Rate (WVTR) Testing of Sanitary Towel Substrate Materials

Water Vapor Transmission Rate (WVTR) Testing of Sanitary Towel Substrate Materials

Product catalog summary

Introduction
This document discusses the testing of Water Vapor Transmission Rate (WVTR) for sanitary towel substrate materials using the ASTM E96 standard. The cup method was employed with the Labthink C360M Water Vapor Transmission Rate Test System to evaluate moisture permeability, which affects breathability and comfort.

Testing Methodology
The test focused on two substrate materials from different manufacturers. The ASTM E96 standard, specifically the cup method, was used to determine the WVTR. The Labthink C360M system facilitated the testing, providing reliable data for multiple samples simultaneously.

Results
The average WVTR for the samples were:

Sample 1: 601.4813 g/(m²·24h)
Sample 2: 1384.0073 g/(m²·24h)

These results indicate a significant difference in moisture permeability, impacting the breathability and comfort of the sanitary towels.

Applications
The C360M system is versatile, applicable to various materials beyond sanitary towel substrates, including:

Films: Plastic films, paper-plastic composites, geomembranes, etc.
Sheeting: Engineering plastics, rubber, building materials, etc.
Other Materials: Textiles, non-woven fabrics, paper, and more.

This method is valuable for manufacturers in assessing moisture permeability across different industries.

Conclusion
As the demand for functional packaging materials increases, evolving testing methods like those offered by Labthink are crucial for comprehensive evaluations. Labthink invites collaboration with packaging industry companies for enhanced quality control.

Catalog excerpts

Water Vapor Transmission Rate (WVTR) Testing of Sanitary Towel Substrate Materials-1

Labthink Instruments Co., Ltd. [email protected] +86-531-85068566 Water Vapor Transmission Rate (WVTR) Testing of Sanitary Towel Substrate Materials In this article we will introduce the testing of water vapor transmission rate (WVTR) for two sanitary towel substrate materials according to ASTM E96 standards. The cup method was employed using a C360M Water Vapor Transmission Rate Test System. The test results indicate significant differences in moisture permeability between the two samples, impacting factors like breathability and comfort. Sanitary towel manufacturers prioritize consumer comfort and fluid management. Key factors influencing comfort include absorbency, leak prevention, breathability, and quickdrying properties. These characteristics are directly related to the materials used in the sanitary towel's different layers. This test focuses on the moisture permeability of sanitary towel substrate materials, a critical factor for breathability and comfort. The cup method, following ASTM E96 standards, was used to determine the WVTR of two samples. The test used substrate materials from two sanitary towel manufacturers, and was performed according to ASTM E96 - Standard Test Methods for Water Vapor Transmission of Materials (Cup Method). The testing Instrument was Labthink C360M Water Vapor Transmission Rate Test System. The average WVTR for the two samples were: sample 1: 601.4813 g/(m²·24h), sample 2: 1384.0073 g/(m²·24h)

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Water Vapor Transmission Rate (WVTR) Testing of Sanitary Towel Substrate Materials-2

Labthink Instruments Co., Ltd. [email protected] +86-531-85068566 The test results demonstrate a significant difference in moisture permeability between the two sanitary towel substrate materials. This variation directly impacts the breathability of the final product, influencing user comfort. The C360M Water Vapor Transmission Rate Test System proved efficient, allowing for simultaneous testing of multiple samples and providing reliable data. The C360M Water Vapor Transmission Rate Test System is applicable to a broad range of materials beyond sanitary towel substrates. Here are some examples:...

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Water Vapor Transmission Rate (WVTR) Testing of Sanitary Towel Substrate Materials-3

Labthink Instruments Co., Ltd. [email protected] +86-531-85068566 As the demand for functional packaging materials grows, testing methods are evolving to ensure a more comprehensive evaluation of packaging films. Labthink encourages collaboration with packaging industry companies for quality control! Visit the website www.labthink.com to learn more!

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