ISO 20743

Textile - Determination of antibacterial activity of textile products

All products such as antibacterial clothing materials and textile products are offered for sale with the claim that they have the ability to kill or reduce harmful bacteria in contact with the fabric material. Antibacterial textile products produced for materials that can be used in special areas are tested with the ISO 20743 standard.

"ISO 20743 - Textile - Determination of antibacterial activity of textile products" standard aims to test the ability of fabrics treated with antimicrobial agents to inhibit microbial growth and kill microorganisms. Microorganisms used in the test processes within the scope of the standard; S. aureus and K.Pneumoniae

ISO 20743 standard There are different test options depending on the intended use of the product to be tested.

• Absorption Method: In this method, the test bacterial suspension is inoculated directly into the treated antibacterial sample.
• Transfer Method: The transfer method involves inoculating the agar plate with test bacteria and then transferring it to the treated antibacterial sample. This sample is also incubated under humid conditions for 18-24 hours.
• Print Method: In this evaluation method, test bacteria are placed in a filter and printed on the treated antibacterial sample. The sample is incubated for 1-4 hours under humid conditions.