MIL-PRF-19759F
4.4.3 Adhesion of coating. ASTM-D-751, Adhesion of Coating with 2 inch wide reinforced
coating adhesion specimens, cyanoacrylate (solventless) adhesive, and pulling clamp speed of
5 mm/s. Three specimens of the cloth shall be tested by adhering back-to-back.
4.4.4 Resistance to heat. The cloth shall be tested for resistance to heat in accordance with
method 5850 of FED-STD-191, except the cloth shall be heated in the oven at 160°F + 2°F
for 120 hours and then visually examined.
4.4.5 Blocking. The cloth shall be tested to determine blocking resistance in accordance with
ASTM D-751, Determination of Blocking Resistance of Fabrics Coated with Rubber or
Plastics at Elevated Temperatures, except that the test specimens shall be exposed to an oven
temperature of 180°F + 2°F for 30 minutes.
4.4.6 Color matching. The color of the cloth shall match the standard sample when viewed
under filtered tungsten lamps that approximate artificial daylight and that have a correlated
color temperature of 7500 + 200oK, with illumination of 100 + 20 foot candles, and shall be a
good match to the standard sample under incandescent lamplight at 2300 + 200oK.
4.4.7 Toxicity assessment. The waterproof 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.
5. PACKAGING
5.1 Packaging. For acquisition purposes, the packaging requirements shall be as specified in
the contract or order (see 6.2). When actual packaging of materiel is to be performed by DoD
personnel, these personnel need to contact the responsible packaging activity to ascertain
requisite packaging requirements. Packaging requirements are maintained by the Inventory
Control Point's packaging activity within the Military Department or Defense Agency, or
within the Military Department's System Command. Packaging data retrieval is available
from the managing Military Department's or Defense Agency's automated packaging files,
CD-ROM products, or by contacting the responsible packaging activity.
6. NOTES
(This section contains information of a general or explanatory nature that may be helpful,
but is not mandatory.)
6.1 Intended use. The type I coated cloth is intended for use in the manufacture of special
cold weather clothing items. The type II coated cloth is intended for use in the manufacture
of wet weather clothing items.
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