Functional Film - Detective Film

SEM film is a newly developed special film that can detect bacteria, that is, it coats the surface of ordinary food packaging film with a special coating to make it able to detect special functions of bacteria. For example, in the case of the biofilm used in raw and cooked meat packaging, if the packaged meat is not fresh and the harmful bacteria content exceeds the food hygiene standards, packaging with this film will make the original transparent and colorless film become a warning. Color, so that customers immediately know they can no longer eat.