MIL-PRF-44103D
the data averaged. The specimen shall be viewed at an angle no greater than 10� from
normal, with the specular component included. Photometric accuracy of the
spectrophotometer shall be within 1 percent and wavelength accuracy within 2 nm. The
standard aperture size used in the color measuring instrument shall be 1.0 to 1.25 inches in
diameter. When the measured reflectance values for any color at four or more wavelengths
do not meet the requirements specified in Table II or III, it shall be a test failure.
4.4.15 Blocking. ASTM D-751, Determination of Blocking Resistance of Fabrics Coated
With Rubber or Plastics at Elevated Temperatures, except that test specimens shall be
exposed at 200�F for 30 minutes.
4.4.16 Static slip resistance (Classes 3 and 4). Testing shall be performed in accordance with
ASTM-F-609 with the following exceptions. Testing shall be conducted at a temperature of
73�F + 3.�F for dry and wet testing of the cloth and at -20�F + 5�F for low temperature dry
testing of the cloth; conditioning under controlled humidity is not required. The Horizontal
Pull Slipmeter apparatus shall be modified such that the three "test samples" or feet of the
apparatus shall be cut from rubber soles or sheet conforming to 3.3.7 of MIL-B-44152. The
test samples or feet shall have dimensions of 1/2 inch diameter and 5/16 inch thickness and
shall be positioned such that the smooth, flat and treadless surface is oriented toward the floor
material. The coated cloth test specimens, 9 inches (min.) by 9 inches (min.) with edges
aligned parallel to the warp and filling directions, shall be cleaned by washing with a solution
of mild detergent and water, then thoroughly rinsed and then air dried; the coated cloth test
specimen shall not be abraded as specified in paragraph 9.6. The specimen shall be laid flat,
face side up, to form the floor material or test surface. The Horizontal Pull Slipmeter shall be
placed on the test surface with pull direction parallel to the warp direction of the test surface
and the test performed. The test shall be performed three more times on the test surface with
the test surface rotated 90� after each test. The slip resistance of each test surface specimen
shall be the average of the four maximum readings. Three test surface specimens shall be
tested for static slip resistance and the result for each of the conditions (i.e., dry, wet and low
temperature) shall be the average of the three specimens. For low temperature testing, the
coated cloth test specimens shall be laid flat and conditioned, along with the Horizontal Pull
Slipmeter, at -20�F for a minimum of 18 hours prior to testing; testing shall then be conducted
at that temperature. Paragraphs 9.2, 9.19 and 10.2 through 10.5 of the test method are not
required.
4.4.17 Toxicity. The cloth shall be tested for toxicity as follows:
a) Title 40, Code of Federal Regulations, 1994 Edition;
Section 798.4100- Dermal Sensitization
Section 798.4470- Primary Dermal Irritation
Section 798.4500- Primary Eye Irritation
Marzulli, F. & H. Maibach, "Contact Allergy: Predictive Testing in Humans",
Advances in Modern Toxicology, Volume 4, pp 353-372, 1977.
b) As an alternative to animal and human testing, the contractor may provide
information which certifies that the finished product was composed of chemicals or materials
which have been safely used commercially where prolonged skin contact has occurred.
4.4.18 Mildew resistance. ASTM G-21.
5. PACKAGING
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