Metrolab Blog

Face masks types

Classification of Masks & Performance Requirements according to EN14683

Type 1

Bacterial Filtration Efficiency > 95%

Differential Pressure < 40 (Pa/cm²)

Microbial Cleanliness < 30 (cfu/g)

Type II

Bacterial Filtration Efficiency > 98%

Differential Pressure < 40 (Pa/cm²)

Microbial Cleanliness < 30 (cfu/g)

Type II R (Fluid Resistant Type surgical mask)

Bacterial Filtration Efficiency > 98%

Differential Pressure < 60 (Pa/cm²)

Splash Resistance > 16,0 kPa

Microbial Cleanliness < 30 (cfu/g)