
Test method for antistatic properties of textiles
2023-12-20 16:32
As textiles are widely used in daily life and industrial applications, the requirements for their antistatic properties are becoming increasingly important. The impact of static electricity on textiles is not only reflected in the comfort of use, but also involves safety issues in the fields of industry, medical care and protection. Therefore, it is crucial to conduct comprehensive antistatic performance testing of textiles. Antistatic performance testing is one of the key steps in evaluating the performance of textiles in electrostatic fields. This article will provide an in-depth introduction to some common textile antistatic performance testing methods and provide technical support and guidance for related industries.
1. Vertical test
ASTM D7265-12 Standard Test Method
This method uses a vertical electric field to direct static charges through the surface of the test sample to the ground. The key to the test is to measure the current flowing through the sample to evaluate its antistatic properties. This method is commonly used to evaluate textiles for industrial use.
2. Plate test
EN 1149 standard series
The EN 1149 standard series includes multiple standards, such as EN 1149-1 to EN 1149-5, which are specifically used to evaluate the antistatic performance of anti-static work clothes such as protective clothing. These standards cover aspects such as surface resistance and charge decay time, providing a comprehensive assessment of antistatic performance.
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3. Human body simulation test
EN 1149-3 standard
A human body simulator was used to simulate the human body surface wearing antistatic clothing to evaluate the antistatic properties of textiles. This method is closer to actual use scenarios and can provide a more realistic evaluation of antistatic performance for applications such as work clothes.
4. Contact method test
AATCC 76 standard
This method evaluates antistatic properties by measuring the electrostatic potential difference between textiles and human skin. This is a common test method for textiles that come into direct contact with the skin, such as underwear.
5. Potentiometric test
ISO 18080-1 standard
The antistatic properties of textiles are measured using the potentiometric method, which evaluates the performance of textiles under low humidity conditions. This has important implications for textiles used in dry environments.
6. Detonator method test
GB/T 12703 standard
The antistatic properties of textiles are evaluated by applying a certain charge to the surface of the textile and then measuring the decay rate of the charge. This method can be used to evaluate the antistatic properties of textiles under different humidity conditions.