Purple Guard (ASN Guard) Antimicrobial Coating 30 showed the required viral reduction of ≥4.0 log10 against test strain Human coronavirus ATCC VR-740 in accordance with EN 16777:2018 (E) at 100.00 % concentration after 60 and 120 minutes under the stated condition.
According to the simple acceptance decision rule†, there is < 50 % risk of false acceptance.