MIL-DTL-508K
3.9.2 Width. For government procurements only, the width of the cloth shall be as specified
(see 6.2) and shall be the minimum acceptable width inclusive of the selvage when fly shuttle
looms or shuttleless with tuck-in selvage looms are used. For all other shuttleless looms, the
width measurement shall be made between the last warp yarn on each side excluding the
protruding fringe(s).
3.10 Finish. The type and character of finish shall conform to that shown by the standard
sample for that specific type and Class.
3.10.1 Type I (Class 1, 2, and 3). The cloth shall be scoured, heat set, and lightly calendered.
The heat setting shall be done with dry heat or boiling water or both as required to meet the
requirements of 3.13.
3.10.2 Type I, (Class 3, 4 and 5). The cloth shall be thoroughly scoured and heat set prior to
printing. The heat setting shall be performed so that the cloth meets the requirements of 3.13.
The cloth shall be given a fluorocarbon (quarpel-type) water repellent treatment and shall
conform to the requirements specified in 3.11 and 3.12.
3.10.3 Type II. The cloth shall be heat set, so that it meets the requirements of 3.13, but not
calendered.
3.11 Spray rating (Type I, Class 3, 4 and 5). The results of the three individual
determinations on the water repellent treated cloth sample for spray rating shall be equal to or
better than 70, 70, 70 following three laundering, when tested as specified in 4.2.5.
3.12 Resistance to organic liquid (Type I, Class 3, 4 and 5). The cloth shall not show wetting
by n-tetradecane either initially or after three cotton mobile laundering, when tested as specified
in 4.2.5.
3.13 Dimensional stability. The cloth shall show no appreciable distortion or puckering.
There shall not be more than 2.0 percent dimensional change in either warp or filling when tested
as specified in 4.2.5.
3.14 Copper and manganese (Type II only). The finished cloth prior to coating shall contain
not more than 0.003 percent copper nor more than 0.0015 percent manganese when tested as
specified in 4.2.5.
3.15 pH. The pH value of the finished cloth shall be no lower than 5.0 nor higher than 8.5
when tested as specified in 4.2.5.
3.16 Length and put-up. For Government procurements only, unless otherwise specified (see
6.2), the finished cloth shall be furnished in continuous lengths each not less than 40 yards. Each
length shall be put up in a full width on a roll.
3.17 Marking (Class 1, 2, and 3). The face side of the cloth shall be marked by applying a
stamping on that side of the cloth and the word 'Face' at each end of the roll.
8
For Parts Inquires call Parts Hangar, Inc (727) 493-0744
© Copyright 2015 Integrated Publishing, Inc.
A Service Disabled Veteran Owned Small Business