The Air permeability Test of textile fabrics is mainly based on the relationship between the flow rate and pressure difference when gas passes through the fabric. Breathability refers to the ability of a material or product to allow air and moisture to pass through. The breathability of textile fabrics greatly affects the performance, comfort and usability of various textile products. The breathability of fabrics can be calculated by measuring the gas flow rate and pressure difference, mainly by calculating the pressure difference caused by the fabric when gas passes through the fabric.

Air permeability testing is usually performed using a professional air permeability tester, which can accurately measure gas flow and pressure difference to obtain the air permeability of the fabric.

Air permeability test steps

1. Sample preparation: Select representative fabric samples and ensure that the sample size, shape and state meet the test requirements.

2. Install the sample: Install the sample in the fixture of the air permeability tester to ensure that the sample is firmly fixed and does not cause excessive air leakage with the fixture.

3. Set test parameters: Set test gas flow, test time and other parameters according to test standards and requirements.

4. Start test: Start the air permeability tester and start the test. During the test, the instrument will automatically record data such as gas flow and pressure difference.

5. Data reading: After the test is completed, the air permeability performance parameters of the fabric are obtained based on the data recorded by the instrument.

AVENO recommended product:

Textile Air Permeability Test Equipment

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