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How to evaluate the wrinkle resistance and elastic durability of Polyester Dyed Fabrics?

The following methods can be used to evaluate the wrinkle resistance and elastic durability of Polyester Dyed Fabrics:

1. Wrinkle resistance evaluation

Test method:

Crease recovery test: This test method simulates the bending movement of the human body, indents the sample, and then keeps it for a certain period of time (usually 5 minutes), then straightens the sample with a machine, observes the surface condition of the sample, and evaluates its wrinkle resistance.

Wrinkle recovery angle test: Apply a twisting tensile force to the textile that has been sucked flat, then release the textile, observe the degree of wrinkle recovery on the surface of the textile, and evaluate the wrinkle resistance of the textile by comparing the wrinkle recovery angle.

International standard:

ISO 9867: This standard defines a method for determining the wrinkle recovery angle of textiles, which is applicable to various types of fabrics, including Polyester Dyed Fabrics. During the test, the sample undergoes pretreatment and sample preparation, and then the wrinkle recovery angle is measured.
Durability evaluation:
In order to evaluate the durability of the wrinkle resistance of Polyester Dyed Fabrics, multiple cycles of crease recovery test or wrinkle recovery angle test can be performed to observe the changes in its wrinkle resistance as the number of tests increases. If the wrinkle resistance of the fabric can remain relatively stable after multiple tests, it means that its wrinkle resistance is durable.

2. Elastic durability evaluation

Test method:
Tensile test: Fix the fabric at both ends, apply tension, and measure its deformation and recovery ability. This is one of the basic methods for evaluating the elastic performance of fabrics.
Compression test: Compress the fabric and measure its deformation and recovery ability, which helps to understand the elastic performance of the fabric when it is under pressure.
Durability evaluation:
In order to evaluate the durability of the elasticity of Polyester Dyed Fabrics, multiple cycles of tensile or compression tests can be performed to observe the changes in its elastic performance as the number of tests increases. If the elasticity of the fabric can remain relatively stable or only slightly decreases after multiple tests, it means that its elastic durability is good.
Influencing factors:
The elastic durability of Polyester Dyed Fabrics is affected by many factors such as fiber material, textile structure, and processing technology. Therefore, when evaluating its elastic durability, the influence of these factors also needs to be considered.
In summary, by adopting appropriate test methods, referring to international standards, and conducting multiple cycle tests to evaluate the wrinkle resistance and elastic durability of Polyester Dyed Fabrics, we can fully and accurately understand its performance.

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