MIL-DTL-44436B
Cotton content, percent = R/S x 100
R = Weight of residual fibers
S = Weight of dry desized specimen
3/ One determination shall be made from each sample unit and the result reported as
"pass or fail".
4/ The color and appearance of the cloth(s) shall match the standard sample when viewed using
the AATCC Evaluation Procedure 9, Option A, with sources simulating artificial daylight D75
illuminant with a color temperature of 7500 (+ 200)ºK illumination of 100 (+ 20) foot candles,
and shall be a good match to the standard sample under incandescent lamplight at
2856 (+ 200)°K.
5/ Only the stain on the nylon and cotton fibers of the color transfer cloth shall be evaluated.
6/ The contractor shall report the approved water repellent used, and certify that no other
material (except the specified buffer and acetic acid) has been added.
7/ Specimens shall be subjected to 15 complete cycles (wash and dry) prior to determinations of
dynamic absorption, spray rating and resistance to organic liquid after laundering. The last
two (2) wash cycles shall be performed without the addition of detergent.
8/ The dimensional stability shall be performed after 5 launderings. The cloth shall not be
pressed after tumble drying prior to measurement.
9/ Table I default seam specification from ASTM D 1683 shall not be used. Seam type shall be
LSc-2. Thread shall be A-A-50199, Type II, polyester core, polyester covered, Tex size 61-70, 2
ply for both the needle and looper. Needle size metric 110 (0.044 inches), chrome, medium ball
with stitch type 401 per ASTM D 6183 at 12 stitches per inch (±1/2) inch for both the warp and
filling directions.
4.5 Methods of inspection.
4.5.1 Presence of labile sulfur test. In the determination of presence of labile sulfur in textile
materials with lead acetate, two 1.50 (± 0.01) gram samples from each material submitted for
evaluation shall be tested. Each of the two samples shall be cut into very small pieces and placed
into separate test tubes. The samples shall be submersed in a stannous chloride solution that
contains 100 grams of stannous chloride crystals ACS in 100 milliliters of hydrochloric acid
ACS (35 percent concentration) and 50 milliliters of distilled water. A filter paper wet out with a
5.0 percent lead acetate solution shall be placed over the top of the test tube. The lead acetate
solution contains 5.0 grams of lead acetate CP reagent grade and enough distilled water to make
up a 100 milliliter solution; if the solution is not clear add a few drops (one at a time) of glacial
acetic acid until the solution is clear. The test tube containing the textile sample, stannous
chloride and wet filter paper shall be heated over a low flame until the solution is boiling. The
solution should not be heated for more than 15 seconds. A brown to black stain on the filter
paper should be evaluated as follows:
Free
- The filter paper shows no discoloration or staining of any kind.
Slight
- The filter paper shows a light tan to light brown discoloration stain.
Moderate - The filter paper shows a dark brown discoloration stain.
Severe - The filter paper shows a black color stain.
18
For Parts Inquires call Parts Hangar, Inc (727) 493-0744
© Copyright 2015 Integrated Publishing, Inc.
A Service Disabled Veteran Owned Small Business