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CHEMSTAT 541 (ChemArc 12)


As part of a total garment protection system, ChemStat 541 contributes to excellent Arc Flash protection and flame protection for maintenance workers and electricians, especially when used in conjunction with undergarments made of ChemArc 4 fabric. It exceeds minimum requirements for IEC 61482-1, Class 2 materials.

ChemStat 541 fabric also offers excellent ESD capabilities.

Standard colors are Natural and Sage Green, but custom colors such as Navy Blue, Black, and Royal Blue are available on a custom order basis.



   

Arc Flash Test Reports

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ATPV (Arc value, ASTM F1959-99)
         (Arc value, IEC 61482-1, Method A)

12.0 cal/cm2
502.5 kJ/m2 (Class 2)

Heat Attenuation Factor, HAF

78%

FLAMMABILITY AND STATIC DECAY TEST RESULTS

Flame Retardance (NASA NHB 8060.1B)

CLASS 1

Initial Flammability (ASTM F1506-01, ASTM D6413)
  Char length
  Afterflame
  Dripping



1.5 in (average of warp and fill)
none
none

Voltage Decay

0.15 sec

Surface Resistivity (AATCC 76-1982)

109 ohm/sq

NASA Triboelectric Voltage Decay

250V @ 3.5 sec, 100V @ 5 sec

TEXTILE PROPERTIES

Construction

Plain weave, 1/4 in (6.5mm) grid

Yarn Content by weight

99% filament Nomex®, 1% carbon

Weight (ASTM D3776, option C)

10.0 oz/yd2

Air Permeability (ASTM D 737 )

10 cfm

OTHER PROPERTIES

Chemical Compatibility
  Salts and Alkalis
  Organic acids and Chemicals
  Jet Fuel
  Mineral Acids


Excellent
Excellent
Excellent
Good

Laundry Compatibility

DI water, Perchlorethylene, Freon TF

Sterile Compatibility

Steam Autoclave, Gamma Radiation (250 Mrad)

Optical Rating (ASTM E 284)

Opaque

Durability (ASTM D 4157) 15,000 cycles

no noticeable wear

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® Nomex is a registered trademark of E. I. du Pont de Nemours Company and is used under license by Stern & Stern Industries Inc.

 
 

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