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Non-woven Inner Spunbound Layer
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Melt-blown Middle Layer
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Non-woven Outer Spunbound Layer
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Melt-blown Middle Layer
4-Layer Level 3 Medical Masks by Trusimed
Find the highest performance requirements, approved by ASTM F2100-11 system, in ASTM Level 3 Masks
The characteristics of level 3 masks:
filters over 98% of the bacteria and Sub-micron particulates at 0.1 micron
Is Resistant to synthetic blood penetration
Differential pressure, mm H20/cm2 (Breathability) <5.0
minimum pressure in mm Hg for pass result 160 mm Hg
Flame spread Class 1