Powecom KN95 masks are produced in very clean, almost dust-free production environments.
The KN95 Face masks' performance is tested on four sections:
1) the Filtering efficiency, is over >95%
Tested using NACL as the particulates, the flow is: 85L/minute, the density of particulates: 15mg per CBM, at regulated temperature range, and at regulated humidity range
2) the resistance to inhaling (air in): must be less than 350 Pa
3) the resistance to exhale (air out): must be less than 250 Pa
4) the quality of earloop/headband straps: pulling force of 10N lasting for 10 seconds, must be OK, cannot break
- Powecom KN95 Mask is CDC Appendix A Authorized Respirator
- Particulate filtering over >95%
- Comfortable, light-weight weight respirator mask with earloops and adjustable nosepiece for secure fit and seal.