MIL-HDBK-1036A
e) Performance Requirements. Warrant that under normal use the carpet will not ravel at seams or edges for 15 years. Secondary backing adhesion should be guaranteed not to delaminate for a minimum of 15 years. Provide a wear guarantee of no more than 10 percent of face yarn loss for a minimum of 15 years when installed and maintained in accordance with manufacturer s procedures. A 20 pound tuft bind should be guaranteed for a minimum of 15 years for urethane cushion backed products and a 7 pound tuft bind should be guaranteed for 15 years for vinyl backed products. Carpet should not give static discharges in excess of 3.5 kilovolts when tested under the American Association of Textile Chemists and Colorists (AATCC)
134, Electrostatic Propensity of Carpets.
f) Test Requirements. Flame and smoke resistant standards. Provide carpet complying with ratings as indicated for the following tests:
(1) Flooring Radiant Panel Test - ASTM E 648, Critical Radiant Flux of Floor-Covering Systems Using a Radiant Heat Energy Source, and/or NFPA 253, Test for Critical Radiant Flux of Floor Covering Systems Using a Radiant Heat Energy Source
- carpet should have a minimum critical radiant flux of 0.22 watt per square centimeter or be considered a minimum of Class 2 rating;
(2) Methenamine Tablet Test - DOC-FF-1-70 and/or ASTM D 2858, Thermal Conductivity of Electrical Grade Magnesium Oxide;
(3) Smoke Density Test - NFPA 258, Determining Smoke Generation of Solid Materials and/or ASTM E 662, Specific Optical Density of Smoke Generated by Solid Materials - 450 or less.
g) Fade resistance standards. Provide carpet complying with ratings for AATCC 16, Colorfastness to Light, light colorfastness test: for dark colors, a gray scale rating of 4 or better after 180 standard fading hours as compared to AATCC gray scale for evaluation of change in color.
h) Installation and maintenance should be in accordance with manufacturer's printed installation and maintenance instructions.
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