Test Results – The iEvac® Fire Escape 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 | > 80,000 |
| Protection factor inside the hood but outside the nose cup | Test subjects performing standard NIOSH exercises inside the fit test chamber at Edgewood | 150 | > 1,300 |
Tests to ANSI 110: Physical Properties
Challenge |
Test Condition |
Duration |
Result |
Vibration |
19 mm at 100 rpm |
10,000 cycles |
pass |
Puncture and tear |
100 g striker dropped from 100 mm |
Ready to use |
pass |
Pressure variation |
Ambient to 300 mbar below |
1,000 cycles |
pass |
Temperature variation |
0°C (32°F) followed by 70°C (158°F) |
24 hours each |
pass |
Flammability |
250 mm (9.8 ins) away from a burner flame of 802°C (1476°F) |
One rotation |
pass |
Molten drip |
Molten polypropylene rod drip |
Each location |
pass |
Radiant heat |
Within 240 mm (9.5 ins) of heating panel between 527 and 927°C (980 and 1700°F) |
15 secs repeated |
pass |
Corrosion |
Salt spray at 35°C (95°F) then 22°C (72°F) at 50% RH |
48 hours each |
pass |
Inhalation temperature |
CO at 27°C (81°F) 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 70°C (158°F) to depth of 600 mm |
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% | pass |
| Carbon dioxide build-up | Breathing machine | 25 cycles per min | < 2.5% | pass |
| Breathing resistance | Probed headform with breathing machine | 30 cycles | -2.1 +0.58 | pass |
| Soot particulate | Breathing resistance with 200 mg/m³ soot | 5 mins | <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 | > 30 mins |
| Carbon monoxide | Hazardous combustion by-product | 5,000 | 15 mins | > 30 mins |
| Hydrogen cyanide | Hazardous combustion by-product | 400 | 15 mins | > 30 mins |
| Hydrogen chloride | Acid gas toxic industrial chemical | 1,000 | 15 mins | > 30 mins |
| Sulfur dioxide | Acid gas toxic industrial chemical | 100 | 15 mins | > 30 mins |
| Cyclohexane | Organic vapor toxic industrial chemical | 500 | 15 mins | 24 mins |
| Acrolein | Organic vapor toxic industrial chemical | 100 | 15 mins | 26 mins |
| Dioctyl phthalate | Particulate aerosol 0.185 micron | 200 mg/m³ | >95% | pass |
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 |
| 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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