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FACEMASK

Face Masks

Face Masks
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Face Masks - available in ASTM Level1, 2 or 3

Areyou using the right face mask?
Face masks may all look the same on the surface but there’s a lot more to thehumble face mask than meets the eye...
Filtration is what sets one mask apart from another,the level of filtration a mask provides is measured using the American Societyfor Testing and Materials or ASTM Filtration Scale. The ASTM scale is made upof 6 levels but only 3 of these levels are normally used in day-to-day procedures;Levels 1, 2 and 3

 

SafeRange = ASTM Level 1

Low Fluid Resistance For procedures where lowlevels of fluid, spatter and/ or aerosols are produced in low concentrations.

·        FR 80 mmHg

·        BFE ≥ 95%

·        PFE ≥ 95% @ 0.1 micron

·        Delta P < 4.0 mm H2O/ cm2

·        FS Class 1

 

Safe+ Range = ASTM Level 2

Moderate Fluid Resistance. Forprocedures where the generation of fluid, spatter and/or aerosols is moderate.

·        FR 120 mmHg

·        BFE ≥ 98%

·        PFE ≥ 98% @ 0.1 micron

·        Delta P < 5.0 mm H2O/cm2

·        FS Class 1

 

GuardRange = ASTM Level 3

High Fluid Resistance. For procedures where heavyto moderate levels of fluid, spatter and/or aerosols are produced.

·        FR 160 mmHg

·        BFE ≥ 98%

·        PFE ≥ 98% @ 0.1 micron

·        Delta P < 5.0 mm H2O/cm2

·        FS Class 1

 

Face Mask Performance Criteria Explained

FR - Fluid Resistance Mask resistance topenetration by synthetic blood under pressure (mmHg). Higher resistance = higher protection.

BFE- Bacterial Filtration Efficiency Percentage ofparticles filtered out at a pore size of 1.0 - 5.0 microns (μ).

PFE- Submicron Particle Filtration EfficiencyPercentage of particles filtered out at a pore size of 0.1 - 1.0 microns(μ).

DeltaP - Differential Pressure Pressure drop across mask, or resistance to airflow in mmH2O/cm2. Greater resistance = better protection but lessbreath-ability.

FS -Flame Spread Measures the flame spread of the maskmaterial.

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