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Page Title:
Dioctylphthalate (DOP) penetration. |
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|  MIL-F-51208(MU)
C o m p o n e n t s . All components of the filter element and ring assembly
3.1.2
shalI conform to the specifications and t h e drawings listed on Drawing D5-3-892
and subsidiary drawings.
The filter element and ring assembly shall
3.2 Manufacture and assembly.
be manufactured and assembled as specified on Drawing D5-3-892-1 or
D5-3-892-2 as specified in the contract or order (see 6, 2).
The air resistance of the filter element and ring assembly
3.3
Air
resistance.
shall not exceed 10 millimeters of water at an airflow rate of 32 liters per
minute when tested as specified in 4.6.1.
3 . 4 Dioctyl phthalate (DOP) penetration. The filter element and ring
assembly shalI not al low more than 0.015 percent DOP penetration at a flow
rate of 32 liters per minute w h e n tested as specified in 4.6.2.
3.5
Adhesion.
The filter material shalI be thoroughly and complete} y
bonded with the paper tab at alI points of contact and with itself at the
center pleat. The filter material shall tear within itself rather than pulling
loose, and filter material fibers shall remain securely attached to the adhesive
when tested as specified in 4.6.3.
When specified in the contract or order, a preproduc-
3.6
Preproduction.
tion sample shalI be produced for examination and test. The preproduction
sample shall be manufactured using the same materials, methods and equipment
as will be used during regular production (see 6.2).
The filter element and ring assembly shall be free
3.7 Workmanship.
from foreign matter, such as dirt, oily or viscous material, and free of damage,
such as tears or punctures in the element or burrs, dents, or deformations in
the ring assembly.
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