To protect the product from decomposition or minimise odour, textiles or articles for domestic use are finished with antimicrobial agents. The antimicrobial effect can prevent germs (bacteria, mould or viruses) that populate the product from multiplying and being distributed further by it.
Certified products can be viewed under the following link: http://www.hohenstein.de/de/certification/certified_products/certified_products.xhtml
- Products with silver finish
- Products with an antimicrobial active finish (biocide)
The term antimicrobial is used if at least two of the three parameters (antibacterial/antimycotic/antiviral) are achieved. The quality label is based on one or more test reports with detailed results.
Test as per the standard DIN EN ISO 20743 "Textiles – Determination of antibacterial activity of textile products" with the test germs Staphylococcus aureus ATCC 6538 and also Klebsiella pneumoniae ATCC 4352 or standard ISO 22196 "Plastics - Measurement of antibacterial activity on plastics and other non-porous surfaces" with the test germs Staphylococcus aureus ATCC 6538 and Escherichia coli ATCC 8739. The antibacterial activity of the test sample must be significant or strong against both test germs.
Test as per standard DIN EN 14119 "Testing of textiles - Evaluation of the action of microfungi, process B2" or standard EN ISO 846 "Plastics -- Evaluation of the action of microorganisms on plastics, process B", each with the test germs Aspergillus niger ATCC 6275 and Chaetomium globosum ATCC 6205. The prevention of fungal growth must ≥50 % for both test germs.
Test developed by Hohenstein in the suspension test (dependent on standards ISO 18184, DIN EN ISO 20743 or ISO 22196) with the non-enveloped test virus bacteriophage MS2 (ATCC 15597-B1) and a contact time of 18-24 hours. The antiviral activity of the test sample must be ≥4 log levels (significant).
The Hohenstein Laboratories have DAkkS accreditation for all above tests.