HeiQ Viroblock is an innovative Swiss technology makes fabrics resistant to harmful microbes. It is added to the fabric during the final stage of the textile manufacturing process.
Vira-X viroblock was developed specifically to be used in face masks to enhance the protection to the masks. All of its ingredients have been carefully selected from the International Nomenclature of Cosmetic Ingredients (INCI) list. Its cosmetic grade silver chloride in micro-particle size combined with a bio-based liposome vesicle technology effectively inhibit microbes on the masks. The active ingredient is fully registered to be used as additives to human disinfectants, hygiene products, medical devices and textiles under EU Biocidal Products Regulations.
Virax Viroblock is among the first textile technologies in the world to be proven effective against SARS-CoV-2 by an independent institution. SARS-CoV-2 is an enveloped virus from the coronavirus family that causes COVID-19. Tests have been conducted by HeiQ with the Peter Doherty Institute for Infection and Immunity in Melbourne, Australia (Doherty Institute). The test was performed on a 100% polyester woven fabric. The HeiQ washable masks are made out of a 100% polyester knitted fabric, so are not made with the identical fabric. The HeiQ disposable mask are made from non-woven polypropylene fabric. Polyester is one of the toughest fabrics to functionalize and achieving good results on polyester is a valid representation for cotton fabrics, viscose, nylon polypropylene and blends thereof. The HeiQ masks make a generic claim against microbes and germs as the validation of the product was performed according to the standard tests ISO 20743 and ISO 18184 and the normed organisms.
Sars-Cov-2 is a wild virus and is not included in the above-mentioned standards. Testing conducted with Sars-Cov-2 is conducted by Research Institutes and not accredited Laboratories. The institutes do not conduct routine testing. For this reason, the scientific community and the regulators suggest using a surrogate Coronavirus 229E utilized by routine testing institutes to justify claims against Sars-Cov-2. Read more on the web page of the Department of Health, Australia.
It's always a trade-off between comfort and protection. Both comfort and protection are very important for face masks. Protection depends highly on particle filtration level and mask fit. Uncomfortable masks lead to non-compliance, people wearing them wrongly or not at all. A perfect mask is a mask that will suit best your personal comfort and protection preference.
After the deterioration of the technologies that enhances the functionality and comfort of the mask, your mask can still be used. But the level of comfort and protection it provides you would not be as good as a new mask. Therefore, you may also consider it is time to replace it with a new one. You can dispose or recycle the old mask the way you normally dispose or recycle your textiles. Either in the textile garbage if you have or in the normal household garbage.
The performance of HeiQ Viroblock has been tested extensively at 3rd party institutes worldwide. See here a selection of test reports (LINK).
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DISCLAIMER: Active healthcare claims on treated articles such as antiviral are not permitted in the USA and require pesticidal device registration. Antiviral claims are permitted in Germany on most treated articles and can be evaluated on a case-by-case basis in other EU territory.