MIL-DTL-12276E(MR)
3.9.1 Type I and III materials. When tested as specified in 4.3.9, the maximum weight of
coating removed by 500 cycles shall not exceed 8 milligrams and the coating shall not be
abraded through to the metal.
3.9.2 Type II materials. The diameter at the area abraded through to the steel when tested
as specified in 4.3.9 shall not exceed 4 millimeters.
3.10 Impact resistance. Panels coated with type III varnish shall not flake, crack or lift
when tested as specified in 4.3.10. This requirement does not apply to types I and II.
3.11 Thermoplasticity. The finish shall not soften or stick when tested at 600o ± 5o C as
specified in 4.3.11.
3.12 Viscosity. Types I and III varnishes shall have a minimum viscosity of 40 centipoises
at 70o ± 2o F as received. The viscosity shall be determined as specified in 4.3.12.
3.13 Shelf life. When tested as specified in 4.3.13, there shall be no more than a 15 percent
change in viscosity after 90 hours at 140 o ± 5o F nor separation of any component.
3.14 Workmanship. The ingredients of the varnish shall be thoroughly mixed to form a
homogeneous product free of visual dirt, grit, water, or other foreign materials. The
unpigmented varnish shall have no sediment or solid particles.
3.14.1 Caution to users. Users are reminded that the testing procedures that follow utilize
many chemical reagents, some are organic solvents, and others are corrosive enough to harm
human tissues. It is appropriate at this point to remind the potential user to employ the
correct personal protective equipment in order to avoid personal injury.
4. VERIFICATION
4.1 Classification of inspection. The inspection requirements specified herein are classified
as conformance inspection (see 4.2)
4.2 Conformance inspection.
4.2.1 Conformance tests. Conformance testing shall be for the purpose of acceptance of
individual lots and shall consist of tests for all requirements specified herein.
4.2.2 Sampling, inspection and testing. For the purpose of conformance inspection, unless
otherwise specified in the contract or order (see 6.2), sampling, inspection and testing shall
be in accordance with method 1031 of Federal Test Method Standard No. 141.
4.2.3 Testing facility. Unless otherwise specified in the contract or order (see 6.2), the
contractor may use his own or other facilities suitable for the performance of the inspection
requirements specified herein. The Government reserves the right to perform any of the
5
For Parts Inquires call Parts Hangar, Inc (727) 493-0744
© Copyright 2015 Integrated Publishing, Inc.
A Service Disabled Veteran Owned Small Business