Does the antimicrobial technology wash off? August 10, 2020 18:03 Follow The antimicrobial technology cannot be washed off or eroded and is active 24/7 in the film. Related articles How are your business cards antibacterial? Which bacteria and fungus have been tested for this product? What do antibacterial business cards look like? What are Antibacterial Business Cards? How was testing of the antibacterial coating done?