Masks are mainly divided into three categories: medical protective, daily protective and special function , including medical surgical mask, medical protective mask (such as N95/KN95), general medical mask, activated carbon mask, cotton mask and industrial dust mask, etc. Different categories are suitable for different scenarios and protective needs.
Youdaoplaceholder0 Medical protective mask
surgical mask
Structure : Three-layer design (outer layer waterproof, middle layer filter ≥95% bacteria, inner layer moisture absorbent), YY0469-2011 standard.
Use : Suitable for medical surgeries, outpatient clinics, etc. It can block droplets and body fluids, but has limited virus filtering effect.
Youdaoplaceholder0 Medical protective mask (N95/KN95)
Standard : N95 is the NIOSH standard of the United States, and KN95 is the GB2626 standard of China. Both require a filtration efficiency of ≥95% for non-oily particles.
Feature : Three-dimensional sealed design, suitable for high-risk environments (such as infectious disease areas), but poor air permeability
ordinary medical mask
Youdaoplaceholder0 Performance : Low filtration efficiency (about 30%), only for basic hygiene care such as hospital cleaning, etc
Daily protective masks
activated carbon mask
Youdaoplaceholder0 Function : Adsorbs odors and harmful gases (such as formaldehyde), but has weak virus protection effect and needs to be replaced regularly
cotton mask
Applicability : Breathable and comfortable, rewashable but only dust and warm, not disease protection.
Youdaoplaceholder0 Special function masks
Youdaoplaceholder0 Industrial dust mask (KN90/KN95/KN100) .
Use : Protection against industrial dust, filtration efficiency by grade (e.g. KN95≥95%), non-medical
Youdaoplaceholder0 Masks for children .
Design : Fit the face of a child with low breathing resistance, in accordance with child protection standards.