Test Results – The iEvac® Smoke/Fire Hood
Overall Performance and
Protection Capability
Tested by US Army Research,
Development and Engineering Command
Edgewood Chemical Biological
Center
| Function |
Test Condition |
Requirement |
Result |
| Overall protection factor |
Test subjects performing standard NIOSH exercises
inside the fit test chamber at Edgewood |
2,000 |
>90,000 |
| Protection factor inside the hood but outside the
nose cup |
Test subjects performing standard NIOSH exercises
inside the fit test chamber at Edgewood |
150 |
> 8,000 |
Tests to ANSI 110: Physical
Properties
| Challenge |
Test
Condition |
Duration |
Result |
| Vibration |
0.75
inches (19 mm) at 100 rpm |
10,000
cycles |
pass |
| Puncture
and tear |
3.5 oz (100 grams) striker dropped from 4 inches (100 mm) |
Ready
to use |
pass |
| Pressure
variation |
Ambient
to 4.4 psi (300 mbar) below |
1,000
cycles |
pass |
| Temperature
variation |
32°F
(0°C) followed by 158°F (70°C) |
24
hours each |
pass |
| Flammability |
9.8 ins
(250 mm) away from a burner flame of 1475°F (800°C) |
One rotation |
pass |
| Molten
drip |
Molten
polypropylene rod drip |
Each
location |
pass |
| Radiant
heat |
Within
9.5 ins (240 mm) of heating panel between 980 and 1700°F (527 and
927°C) |
15 secs repeated |
pass |
| Corrosion |
Salt
spray at 95°F (35°C) then 72°F (22°C ) at 50% RH |
48
hours each |
pass |
| Inhalation
temperature |
CO at
77°F (25°C) and 87%RH |
15 mins |
pass |
| Light
transmission |
Haze of
vision area |
left
and right |
pass |
| Field
of vision |
Apertometer headform |
viewing |
pass |
| Water
leakage |
Immerse
in water at 160°F (70°C) to depth of 24 inches |
5 mins |
pass |
| Fogging |
Read
eye chart from 20 feet (6.1 meters) at the 20/100 line |
5 mins |
pass |
Tests to ANSI 110: Hood
Performance Tests
| Function |
Test Condition |
Duration |
Requirement |
Result |
| Speed of donning |
Remove from pack and wear properly |
Less than 30 secs |
< 30 secs |
pass |
| Total inward leakage |
Test subjects performing standard exercises |
2.5 mins |
< 2% |
< 0.01% |
| Ocular leakage |
Test subjects performing standard exercises |
2.5 mins |
< 20% |
< 0.1% |
| Carbon dioxide build-up |
Breathing machine |
25 cycles per min |
< 2.5% |
< 1.7% |
| Breathing resistance |
Probed headform with
breathing machine |
30 cycles |
-3.2 inches
(-81.5 mm)
+1.2
inches
(+30.6 mm) |
pass |
| Soot particulate |
Inhalation breathing resistance with 200 mg/m³
soot |
5 mins |
< 8 inches
(< 204 mm) |
pass |
| Soot particulate |
Exhalation breathing resistance with 200 mg/m³
soot |
5 mins |
< 6 inches
(< 153 mm) |
pass |
Tests to ANSI 110: Gas and Particulate Tests
| Challenge |
Type |
Concentration ppm |
Requirement |
Result |
| Carbon monoxide |
Hazardous combustion by-product |
3,000 |
15 mins |
> 32 mins |
| Carbon monoxide |
Hazardous combustion by-product |
5,000 |
15 mins |
> 46 mins |
| Hydrogen cyanide |
Hazardous combustion by-product |
400 |
15 mins |
> 90 mins |
| Hydrogen chloride |
Acid gas toxic industrial chemical |
1,000 |
15 mins |
> 70 mins |
| Sulfur dioxide |
Acid gas toxic industrial chemical |
100 |
15 mins |
> 70 mins |
| Cyclohexane |
Organic vapor toxic industrial chemical |
500 |
15 mins |
>41 mins |
| Acrolein |
Organic vapor toxic industrial chemical |
100 |
15 ins |
>65 mins |
| Dioctyl phthalate |
Particulate aerosol 0.185 micron |
200 mg/m³ |
>95% |
>99.996% |
Additional Gas and Particulate
Tests beyond the Requirements of
ANSI 110
| Challenge |
Type |
Concentration ppm |
Requirement |
Result |
| Carbon monoxide |
Hazardous combustion by-product |
10,000 |
15 mins |
> 30 mins |
| Dioctyl phthalate (DOP) |
HEPA filtration test for particulates and
aerosols |
200 mg/m³ |
>99.97% |
>99.996% |
| Ammonia |
Toxic industrial gas |
1,250 |
15 mins |
> 60 mins |
| Formaldehyde |
Toxic industrial gas |
250 |
15 mins |
> 60 mins |
| Phosgene |
Toxic industrial gas |
125 |
15 mins |
> 60 mins |
| Phosphine |
Toxic industrial gas |
150 |
15 mins |
> 60 mins |
| Chlorine |
Toxic industrial gas |
200 |
15 mins |
> 60 mins |
| DMMP |
Simulant for sarin nerve gas |
1,000 |
15 mins |
> 60 mins |
| Hydrogen sulfide |
Toxic industrial gas |
1,000 |
15 mins |
>600 mins |
| Hydrogen sulfide |
Toxic industrial gas |
5,000 |
15 mins |
>85 mins |
| Tear Gas (CN) |
Irritant toxic chemical |
16 |
15 mins |
>500 mins |
| Tear Gas (CS) |
Irritant toxic chemical |
3 |
15 mins |
>500 mins |
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