NOT MEASUREMENT
SENSITIVE
MIL-PRF-85322C
21 May 2014
SUPERSEDING
MIL-C-85322B
30 April 1993
PERFORMANCE SPECIFICATION
COATING, ELASTOMERIC, POLYURETHANE, RAIN-EROSION
This specification is approved for use by all Departments and Agencies of the Department of
Defense.
1.
SCOPE
1.1 Scope. This specification establishes the requirements for rain erosion coatings with a
maximum volatile organic compound (VOC) content of 420 grams/liter (g/L) (3.5 pounds/gallon
(lb/gal)) for use on exterior aircraft structures. The antistatic component (if applicable) will have
a maximum VOC limit of 720 grams/liter (g/L) (6.0 lb/gallon (lb/gal)).
t
1.2 Classification. The coating covered by this specification is divided into the following
ypes, classes, and grades (see 6.2).
1.2.1 Type. The types of coatings are as follows:
Type I - Conventionally cured (not dependent on moisture) polyurethane rain
erosion resistant coating
Type II- Moisture cured polyurethane rain erosion resistant coating
1.2.2 Class. The classes of coatings are as follows:
Class A General purpose coating
Class B High operating temperature coating
1.2.3 Grade. The grades of coatings are as follows:
Grade A - Rain erosion resistant coating without antistatic coating component
Grade B - Rain erosion resistant coating with antistatic coating component
Comments, suggestions, or questions on this document should be addressed to: Commander,
Naval Air Warfare Center Aircraft Division, Code 4L8000B120-3, Highway 547, Lakehurst, NJ
08733-5100 or emailed to michael.sikora@navy.mil. Since contact information can change, you
may want to verify the currency of this address information using the ASSIST Online database at
https://assist.dla.mil.
AMSC N/A
FSC 8010
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