Company Introduction  

Customer center

054-550-5920

[Operating hours]

AM09:00~PM06:00 

(Korean time) Weekdays

[Lunch time]

PM 12:00 ~ PM 01:00

(Korean time)

Please E-mail us (dmdlife@dmpoly.com) in case of our absences or for public holidays.

Measuring Equipment


Measuring Equipment


MI for Particulate Filtration Efficiency
MI for Particulate Filtration Efficiency
MI for Facial Inhalation Resistance
MI for Facial Inhalation Resistance
MI for Tensile Strength
MI for Tensile Strength
MI for Leak rate
MI for Leak rate

Criterion and Grade of mask


Grade
Criterion
Particulate filtration Efficiency
Facial Inhalation
Leak Rate
KF80
Over 80%
(Sodium Chloride Test)
Below 6.2 ㎜H2O or 60 ㎩
Below 25%
KF94
Over 94%
(Sodium Chloride and Paraffinic Oil test)
Below 7.2 ㎜H2O or 70 ㎩
Below 11%
KF99
Over 99.0%
(Sodium Chloride and Paraffinic Oil test)
Below 10.3 ㎜H2O or 100 ㎩
Below 5%