Anti nuclear radiation face mask 3 ply or 4ply disposable face mask with earloop CE ISO FDA Certification
·ISO13485:2003 certificated factory.
The first layer is special processed anti nuclear radiation aluminum foil material which can prevent α nuclear radiation.
The second layer is special processed anti nuclear radiation aluminum foil material which can prevent α & β nuclear radiation.
The third high efficiency melt blown, BFE 99.9% at 3 micron, breathing resistance < 5mm H20.
The last layer is unique surface water absorb with soft & thick lining.
Suitable for 30~1000 km regions of nuclear radiation resist & radiation protecting, the removal the particles with nuclear radiation matter, organic vapor from polluted environment