Manufacturing Solutions Center

Compression Testing for Textiles

Test Method(s):
    · BS6612
    · BS7563

BS6612 Graduated Compression Hosiery

Scope: This test method simulates the pressure exerted on the legs while standing or walking. This method is only used for prescriptive compression hosiery.

• Sample is conditioned in atmospheric conditions for textiles
• Sample is mounted in the Hatra type apparatus and adjusted to customer specified circumference
• A milli-volt measurement is recorded at various points on the garment
• This number and the tested circumference are used to calculate the compressive force in millimeters of Mercury (mmHg)

BS7563 Non-Prescriptive Graduated Support Hosiery (modified)

Scope: This test method simulates the pressure exerted on the legs while standing or walking. This method is only used for low graduated compression socks (<20 mmHg).

• Sample is conditioned in atmospheric conditions for textiles
• To simulate wearing length, sample is stretched from heel gore to welt to determine the mounting length on the Hatra type apparatus
• Sample is mounted in the Hatra type apparatus, stretched to pre-determined length, and adjusted to correct wearing circumference
• A milli-volt measurement is recorded at various points on the garment
• This number and the tested circumference are used to calculate the compressive force in millimeters of Mercury (mmHg)

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