Durachem 200: Thermal and Burn Testing
Test Method Result
Heat Thermal Performance (HTP)
ASTM F2700
Spaced: 20.2 cal/cm2
Contact: 14.3 cal/cm2
Flame Resistance
ASTM D6413
Char length: 1.06 in
Afterflame: 0.0 sec
Thermal Protective Performance (TPP)
ISO 17492
13.9 cal/cm2
Shrinkage/Heat Resistance
ASTM F2894
8.0 %, 6.0%
Manikin Body Burn (Pyroman)
ASTM F1930
Exposed Head, min - 6.56%
predicted body burn
Heat Transfer - Molten Substances
Aluminum @ 1400 F: 19.8sec to 2⁰ burn
34.6⁰C increase
Iron @ 2800 F: no burn
11.7⁰C increase
Sulfur @ 302 F: no burn
9.5⁰C increase
Electric Arc Rating
ASTM F1959
APTV = 13 cal/cm2
Steam 302˚F @ 30 psi @ 2.4” 6.8 Seconds to 2nd Degree Burn
19.8 Seconds to 3rd Degree Burn
Hot Water (185˚F @ 6L/min) @ 2.0” No Burn
Durachem 200: Comfort Testing
Test Method Result
Total Heat Loss
ASTM F1868 Procedure C
492.9 W/m2
Evaporative Resistance
ISO 11092 7.4
13.955 Pa-m2/W
Cold Temperature Performance
0.009 in/lb
Water Vapor Transmission
3158 g/m2-24hr
Durachem 200: Splash Chemical Testing*
Chemical Penetration ASTM F903, Procedure C Result
Dimethyl Formamide PASS
Isopropyl Alcohol PASS
Nitrobenzene PASS
Sodium Hydroxide (50%) PASS
Sodium Hypochlorite (10%) PASS
Sulfuric Acid (93.1%) PASS
Methyl Isobutyl Ketone PASS
Tetrachloroethylene PASS
Butyl Acetate PASS
Hydrochloric Acid (37%) PASS
Acetone PASS
Formic Acid (85%) PASS
Methanol PASS
Toluene PASS
Phenol (90%) PASS
Acrylonitrile PASS

*Chemical penetration testing was conducted in accordance with ASTM F 903 Procedure C.

Note: These tests were performed in accordance with ASTM standards by independent laboratories. This data is derived from tests performed on material samples only, not finished garments.

Durachem 500: Class 1 Chemical Test Battery*
Chemical Class 1 Minutes Class 2 Minutes Criteria
Acrolein >60 >60 >6.0 ug/cm2
Acrylonitrile >60 >60 >6.0 ug/cm2
Ammonia >60 >60 >6.0 ug/cm2
Chlorine >60 >60 >6.0 ug/cm2
Diethylamine >60 NA >6.0 ug/cm2
Dimethyl Sulfate >60 >60 >6.0 ug/cm2
Ethyl Acetate >60 NA >6.0 ug/cm2
Sulfuric Acid >60 NA >6.0 ug/cm2
Tetrachloroethylene >60 NA >6.0 ug/cm2
Toluene >60 NA >6.0 ug/cm2
Durachem 500: Chemical Warfare Agent Data*
Chemical Agent Class 1 Minutes Class 2 Minutes Criteria
Soman >60 >60 1.25 ug/cm2
Distilled Mustard >60 >60 4.0 ug/cm2
Durachem 500: Class 2 Biohazard Testing
Hazard Method Result
Blood/Viral ASTM-F1671 Pass

*Class 1 chemical challenge levels are 20 g/m2 for liquids and 10,000 ppm for gases and vapors. Class 2 chemical challenge levels are 10 g/m2 for liquids and 350 ppm for gases and vapors.

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