EU masks are mainly divided into personal protective masks (PPE) and medical masks. Personal protective masks are based on EN 149, and the protection risks are divided into FFP 1, FFP2 and FFP3 (FFP 1 (corresponding to GB2626-2006 KN90 and KP95) and FFP2 (from low to high). Medical masks are divided into first-class non-sterile masks and first-class sterile masks according to the management of first-class medical devices. According to the standard EN 14683, their BFE, respiratory resistance and splash resistance can be divided into three types: type I, type II and type IIR.
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