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    8. FLAME RESISTANT INDURA & 100% NOMEX® IIIA APPAREL
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FLAME RESISTANT INDURA & 100% NOMEX® IIIA APPAREL

INDURA APPAREL

Everyday, workers in the utilities, oil, gas, petrochemical and steel industries work in environments that may expose them to hazards that could cause severe burn injuries. In the event of a momentary electric arc, flash fire or molten metal splash exposure, everyday non-flame resistant work clothes can ignite and will continue to burn even after the source of ignition has been removed. Untreated natural fibers will continue to burn until the fabric is totally consumed and non-flame resistant synthetic fabrics will burn with melting and dripping causing severe contact burns to the skin. Government reports note that the majority of severe and fatal burn injuries are due to the individuals clothing igniting and continuing to burn, not by the exposure itself. Indura & Indura Ultra Soft fabrics meet the requirements of: NFPA70E, NFPA2112, NFPA1977, ASTM F1506, OSHA 1910.269, ASTM F1002, CGSB 155.20, EN 531, EN 470.

 

Indura 100% Cotton Fabrics offer:

  • Guaranteed flame resistance for the life of the garment
  • Multi-purpose protection from electric arc, flash fire, molten ferrous metal
  • and welding exposures
  • Comfort of cotton

NOMEX® APPAREL

 

Nomex® IIIA is an inherently flame-resistant aramid and static-dissipative fiber blend manufactured only by DuPont. It is used in protective apparel to help shield wearers from flash fires and electric arcs. Garments made of Nomex® IIIA are extremely durable and last 3-5 times longer than conventional or chemically treated garments. Industrial launderers estimate that garments made of Nomex® IIIA can be washed and worn more than 125 times. Protect yourself and your employees today, use Nomex® IIIA garments.

INDURA SPECIFICATION
Style 85 INDURA® 100% Cotton G.I. Sateen

Width (Inches, Minimum, Selvedge included): 59 ASTM D3774
Yarns Per Inch (Minimum, Warp and Fill): 84 x 45 ASTM D3775
Weight (oz/sq yd, minimum): 9.0 ASTM D3776
Breaking Strength (Pounds, Minimum, Warp and Fill): ASTMD 5034 130X90
Tearing Strength (Pounds, Minimum, Warp and Fill): ASTM D1424 6.0X6.0
Shrinkage (% Maximum)
Warp and Fill:
Federal Test Method Standard 191A Method 5550
3.0
Flammability:
After Flame, Seconds (Maximum)
Char Length, Inches (Maximum)
ASTM D6413
2.0

5.0
 

This fabric meets the requirements of NFPA 1977.
INDURA® is a trademark of Westex Inc.

Nomex® IIIA

Weight:(+ or -5%) and Weave: 4.5 oz. (sq. yd) Plain 6.0 oz. (sq. yd) plain
Thickness: (inches): 0.020 0.020
Construction (warp x fill): 66 x 43 67 x 44
Vertical Flammability:
Char Length (inches w x f)
ASTM 6413-99  After Flame (seconds w x f)
(after 100x Launderings)
2.8 x 2.8
0.0 x 0.0
2.4 x 2.4
0.0 x 0.0
Thermal Protective Performance (cal/cm2)
NFPA 1971
10.00
4.5
12.0
6.0
Flash Fire Exposure (Manikin Test):
(% body burn [2.0 cal/cm2 sec] at 3 seconds ASTM F1930
pass pass
ARC Thermal Performance ATPV (cal/cm2)
ASTM 1959 After flame @ 10 cal (seconds)
4.6 - 4.8
<1.0
5.7 - 5.9
<1.0
Tensile Strength (lbs. [w x f]) ASTM 1682 170 x 100 240 x 150
Elmendorf Tear Strength
(lbs.[w x f]) ASTM 1424
10 x 7 12 x 8
Dimensional Stability (%[5x]) 120° F AATTC 135
140° F Industrial Wash, 160° F Max Stack Dry [5x]
<3.0 <3.0
Air Permeability (ft3/ft2/minutes) ASTM 737 210 80
Washing Colorfastness
140° F Industrial Wash,
160° F Max Stack Dry [25x]
*4
*4
*4
*4
Colorfastness to Xenon Light (20 hrs) AATCC 16 *3-4 *3-4
Crocking AATCC8      Wet
                                  Dry
*3-4 All Colors
*5 All Colors
*3-4 All Colors
*5 All Colors
Wicking (distance in seconds)
(1" strip, tap water)
.05"  
 3 3
1"  
 13 10
1.5"  
 34 27
2"  
 62 58
Theoretical Moisture Regain (%) 4.5 4.5
Piling Resistance ASTM 3512
30 min.
60 min.
90 min.
120 min.
*4
*5
*5
*5
*4
*5
*5
*5
Heat Resistance (500° F, 5 min)
(after 100 Industrial Launderings)
pass pass
Thermal Shrinkage Resistance (%[500° F, 5 min.])
after 100 Industrial Launderings
<2.0 <2.0
Appearance of Fabric AATCC 124
(after 50 home launderings)
*4 *4

 

Ratings: *5-Best, *3-Acceptable, *1-Poor
Nomex® is a trademark of E.I. DuPont de Nemours and Company.