BFE > 99.9%
The BFE of NanoPoly’s nanofiber mask is 99.9% which was tested by TTRI and SGS.
(*2016/9/2 The BFE of NanoPoly’s sampled and tested nanofiber mask is 99.9%)
(*2016/8/31 The BFE of NanoPoly’s sampled and tested nanofiber mask is 99.9%)
BFE > 99.9%
The BFE of NanoPoly’s nanofiber mask is 99.9% which was tested by TTRI and SGS.
(*2016/9/2 The BFE of NanoPoly’s sampled and tested nanofiber mask is 99.9%)
(*2016/8/31 The BFE of NanoPoly’s sampled and tested nanofiber mask is 99.9%)