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ASTM F485-08(2013)

(Practice)

Standard Practice for Effects of Cleaners on Unpainted Aircraft Surfaces

Standard Practice for Effects of Cleaners on Unpainted Aircraft Surfaces

SIGNIFICANCE AND USE
3.1 This practice is used to ensure that candidate aircraft surface cleaners do not leave a residue which, on drying, would leave a permanent stain requiring polishing to remove.
SCOPE
1.1 This practice describes the procedure used to determine the effect of cleaners on unpainted aircraft surfaces. Visual observation is used for determining streaking or permanent stains which require polishing to remove.  
1.2 The values stated in inch-pound units are to be regarded as the standard. The values given in parentheses are for information.  
1.3 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.

General Information

Status
Historical
Publication Date
30-Nov-2013
ICS
49.040 - Coatings and related processes used in aerospace industry
Technical Committee
F07 - Aerospace and Aircraft
Drafting Committee
F07.07 - Qualification Testing of Aircraft Cleaning Materials
Current Stage
Ref Project

Relations

Replaces
ASTM F485-08 - Standard Practice for Effects of Cleaners on Unpainted Aircraft Surfaces
Effective Date
01-Dec-2013
Replaced By
ASTM F485-08(2019) - Standard Practice for Effects of Cleaners on Unpainted Aircraft Surfaces
Effective Date
01-May-2019
Referred By
ASTM D6361/D6361M-98(2020) - Standard Guide for Selecting Cleaning Agents and Processes
Effective Date
01-Dec-2013

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ASTM F485-08(2013) - Standard Practice for Effects of Cleaners on Unpainted Aircraft SurfacesASTM F485-08(2013) - Standard Practice for Effects of Cleaners on Unpainted Aircraft Surfaces
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ASTM F485-08(2013) - Standard Practice for Effects of Cleaners on Unpainted Aircraft Surfaces
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NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.
Contact ASTM International (www.astm.org) for the latest information
Designation: F485 − 08 (Reapproved 2013)
Standard Practice for
Effects of Cleaners on Unpainted Aircraft Surfaces
ThisstandardisissuedunderthefixeddesignationF485;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginal
adoption or, in the case of revision, the year of last revision.Anumber in parentheses indicates the year of last reapproval.Asuperscript
epsilon (´) indicates an editorial change since the last revision or reapproval.
1. Scope 4.1.2 Methyl n-propyl ketone (MPK).
1.1 This practice describes the procedure used to determine 4.2 Materials:
the effect of cleaners on unpainted aircraft surfaces. Visual 4.2.1 Aluminum 7075-T6 Alclad in accordance with indus-
observation is used for determining streaking or permanent try standard SAE-AMS-QQ-A-250/13.
stains which require polishing to remove. 4.2.2 Titanium Alloy 6A14V in accordance with industry
standard SAE-AMS-T-9046, Composition AB-1.
1.2 The values stated in inch-pound units are to be regarded
as the standard. The values given in parentheses are for
5. Preparation of Test Specimens
information.
5.1 Prepare two panels, each 2 by 6 by 0.020 in. (50 by 152
1.3 This standard does not purport to address all of the
by 0.51 mm), from alclad aluminum and titanium alloy and
safety concerns, if any, associated with its use. It is the
clean them with methyl n-propyl ketone.
responsibility of the user of this standard to establish appro-
priate safety and health practices and determine the applica-
6. Preparation of Test Solution
bility of regulatory limitations prior to use.
6.1 Make the solutions of the cleaner to be tested in reagent
2. Referenced Documents water (see 4.1.1) in accordance with the dilutions recom-
mended by the manufacturer.
2.1 ASTM Standards:
D1193 Specification for Reagent Water
7. Procedure
2.2 Industry Standards:
7.1 Immerse the cleaned test specimens for 3 to 5 min in a
SAE-AMS-QQ-A-250/13 Aluminum Alloy Alclad 7075,
sufficient quantity of the cleaning solution to cover approxi-
Plate and Sheet
mately one half of the panel. After removing from the test
SAE-AMS-T-9046 Titanium and Titanium Alloy, Sheet,
solution, immediately place the panels at 45° from the hori-
Strip, and Plate (Composition AB-1)
zontal in a mechanical convection oven maintained at 150 6
3. Significance and Use
5°F (65.5 6 2°C) for 30 min.At the end of the 30-min period,
remove the panels from the oven, cool to room temperature,
3.1 This practice is used to ensure that candidate aircraft
rinse on each side within 15 min under running tap water for 1
surfacecleanersdonotleavearesiduewhich,ondrying,would
minwithoutusingmechanicalagitation,thenrinseoneachside
leave a permanent stain requiring polishing to remove.
with distilled or deionized water from a squeeze bottle for 15
4. Reagents and Materials s an
...

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Standard Test Method for Dust Erosion Resistance of Optical and Infrared Transparent Materials and Coatings

SIGNIFICANCE AND USE
5.1 All materials on exterior aircraft surfaces are subject to abrasion from airborne particles of various sizes and shapes. Transparent materials are particularly vulnerable to abrasion, since their performance is based on their ability to transmit light with a minimal amount of scatter. Scratches, pitting, and coating removal and delamination as a result of abrasion may increase scatter, reduce transmission, and degrade the performance of transparent materials. Visually transparent materials are required for pilot and air crew enclosures, such as canopies, windshields, and viewpoints. Materials transparent in the IR region (8 to 12 μm) are required for tracking, targeting, and navigational instrumentation.  
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1.1 This test method covers the resistance of transparent plastics and coatings used in aerospace windscreens, canopies, and viewports to surface erosion as a result of dust impingement. This test method simulates flight through a defined particle cloud environment by means of independent control of particle size, velocity, impact angle, mass loading, and test duration.  
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