ASTM F485-98

Designation: F 485 – 98
Standard Test Method for
1
Effects of Cleaners on Unpainted Aircraft Surfaces
This standard is issued under the fixed designation F 485; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. A
superscript epsilon (e) indicates an editorial change since the last revision or reapproval.
1. Scope 4.1.3 Reagent Water conforming to Specification D 1193,
Type IV.
1.1 This test method describes the procedure used to deter-
4.1.4 Methyl ethyl ketone conforming to Specification
mine the effect of cleaners on unpainted aircraft surfaces.
D 740.
Visual observation is used for determining streaking or perma-
nent stains which require polishing to remove.
5. Preparation of Test Specimens
1.2 This standard does not purport to address all of the
5.1 Prepare two panels, each 2 by 6 by 0.020 in. (or 50 by
safety concerns, if any, associated with its use. It is the
152 by 0.51 mm), from alclad aluminum and titanium alloy and
responsibility of the user of this standard to establish appro-
clean them with methyl ethyl ketone conforming to Specifica-
priate safety and health practices and determine the applica-
tion D 740.
bility of regulatory limitations prior to use.
6. Preparation of Test Solution
2. Referenced Documents
6.1 Make the solutions of the cleaner to be tested in reagent
2.1 ASTM Standards:
2 water (see 4.1.3) in accordance with the dilutions recom-
D 740 Specification for Methyl Ethyl Ketone
3 mended by the manufacturer.
D 1193 Specification for Reagent Water
2.2 Federal Specification:
7. Procedure
QQ-A-250/13 Aluminum Alloy, Alclad 7075, Plate and
3 7.1 Immerse the cleaned test specimens for 3 to 5 min in a
Sheet
sufficient quantity of the cleaning solution to cover approxi-
2.3 Military Specifaction:
mately one half of the panel. After removing from the test
MIL-T-9046, Type III, Titanium and Titanium Alloy, Sheet,
4 solution, immediately place the panels at 45° from the hori-
Strip, and Plate
zontal in a mechanical convection oven maintained at 150 6
5°F (65.5 6 2°C) for 30 min. At the end of the 30-min period,
3. Significance and Use
remove the panels from the oven, cool to room temperature,
3.1 This test method is used to ensure that candidate aircraft
rinse on each side within 15 min under running tap water for 1
surface cleaners do not leave a residue which, on drying, would
min without using mechanical agitation, then rinse on each side
leave a permanent stain requiring polishing to remove.
with distilled or deionized water from a squeeze bottle for 15
4. Test Specimens s and allow to air dry for 30 min. Visually examine and
compare the treated and
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