MIL-DTL-700B
3.4.9 Knife test. When tested as specified in 4.6.11 and 4.6.12, a
0.023 mm (nominal) [0.001 inch (nominal)] dry film of enamel shall adhere
tightly to and shall not flake or crack from the primers or topcoats. The cut
shall show beveled edges.
3.4.10 Water resistance and film hardness. When tested as specified in
4.6.11, a film of enamel shall show no wrinkling or blistering immediately
after removal of the panel from water. The enamel shall be only slightly
affected with regard to hardness and adhesion when observed 2 hours after
removal from the water. The enamel shall have a hardness of 4H. After 24
hours air drying, the portion of the panel which was immersed shall be almost
indistinguishable, with regard to hardness, adhesion, and general appearance,
from the portion of the panel that was not immersed and shall have a hardness
of 4H when tested as specified in 4.6.11.
3.4.11
Compatibility.
3.4.11.1 Compatibility with topcoats. When tested as specified in
4.6.12, the enamel shall show no signs of incompatibility such as blistering,
wrinkling or peeling when topcoated with coatings manufactured in accordance
with MIL-E-24635 and MIL-E-24763. Examine for incompatibility immediately
after topcoat application and after 48 hours.
3.4.11.2 Compatibility with primers and undercoats. When tested as
specified in 4.6.12, the enamel shall show no signs of incompatibility such as
blistering, wrinkling or peeling when applied over fully cured or dried films
of coatings manufactured in accordance with TT-P-645 or MIL-P-24441, type III
and type IV Formula 150 primer. Examine for incompatibility immediately after
topcoat application and after 48 hours.
3.4.12 Surface appearance. When tested as specified in 4.6.13, a flow-
out film on glass of the mixed enamel, after drying for 24 hours, shall
exhibit a surface smooth in appearance and free of defects, such as loss of
dry, color drift, seeding, pinholes, coarse particles, skins, or agglomerates
of any kind.
3.5 Directions for use. The manufacturer shall provide directions for
the mixing and application of the enamel. The direction shall comply with 29
CFR OSHA Hazard Communication Act.
3.6 Label. Manufacturer shall prepare label instructions in accordance
with 29 CFR 1910. Each container must be affixed with a hazardous chemical
warning label in accordance with 29 CFR 1910.1200.
3.7 Ozone-depleting chemicals. The materials used in the enamel shall
not contain class I or class II ozone-depleting chemicals as defined in
40 CFR 82.
4.
VERIFICATION
4.1 Classification of inspections. The inspection requirements
specified herein are classified as follows:
(a)
First article inspection (see 4.2).
(b)
Conformance inspection (see 4.3).
10
For Parts Inquires call Parts Hangar, Inc (727) 493-0744
© Copyright 2015 Integrated Publishing, Inc.
A Service Disabled Veteran Owned Small Business