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ASTM D3260-01(2011)

(Test Method)

Standard Test Method for Acid and Mortar Resistance of Factory-Applied Clear Coatings on Extruded Aluminum Products

Standard Test Method for Acid and Mortar Resistance of Factory-Applied Clear Coatings on Extruded Aluminum Products

SIGNIFICANCE AND USE
This test method will provide differentiation between types of coatings for acid and motor resistance providing the coating is applied in a uniform continuous film with a specified film thickness.
SCOPE
1.1 This test method covers the evaluation of the mortar and acid resistance of clear protective coating factory applied to extruded aluminum substrates.
1.2 The values stated in SI units are to be regarded as the standard. The values given in parentheses are for information only.
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
31-May-2011
ICS
87.020 - Paint coating processes
Technical Committee
D01 - Paint and Related Coatings, Materials, and Applications
Drafting Committee
D01.55 - Factory Applied Coatings on Preformed Products
Current Stage
Ref Project

Relations

Replaces
ASTM D3260-01(2005) - Standard Test Method for Acid and Mortar Resistance of Factory-Applied Clear Coatings on Extruded Aluminum Products
Effective Date
01-Jun-2011
Referred By
ASTM D3451-06(2017) - Standard Guide for Testing Coating Powders and Powder Coatings
Effective Date
01-Jun-2011

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ASTM D3260-01(2011) - Standard Test Method for Acid and Mortar Resistance of Factory-Applied Clear Coatings on Extruded Aluminum ProductsASTM D3260-01(2011) - Standard Test Method for Acid and Mortar Resistance of Factory-Applied Clear Coatings on Extruded Aluminum Products
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ASTM D3260-01(2011) - Standard Test Method for Acid and Mortar Resistance of Factory-Applied Clear Coatings on Extruded Aluminum Products
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NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.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: D3260 − 01 (Reapproved 2011)
Standard Test Method for
Acid and Mortar Resistance of Factory-Applied Clear
Coatings on Extruded Aluminum Products
This standard is issued under the fixed designation D3260; 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 (´) indicates an editorial change since the last revision or reapproval.
1. Scope 5. Reagents
5.1 Acid—Tenvolumepercentsolutionofcommercialgrade
1.1 This test method covers the evaluation of the mortar and
hydrochloric acid (31.4 to 31.8 % HCl, 20°Bé) in distilled
acid resistance of clear protective coating factory applied to
water.
extruded aluminum substrates.
5.2 Cleaning Solution—An alkaline cleaner in the concen-
1.2 The values stated in SI units are to be regarded as the
tration recommended by the manufacturer, usually 45 to 60 g/L
standard. The values given in parentheses are for information
(6 to 8 oz/gal) of water. The pH of the solution should be
only.
between 11.4 and 12.2.
1.3 This standard does not purport to address all of the
5.3 Lime—Building lime complying with Specification
safety concerns, if any, associated with its use. It is the
C207.
responsibility of the user of this standard to establish appro-
priate safety and health practices and determine the applica-
5.4 Neutralizing Solution—Prepare from a stable free-
bility of regulatory limitations prior to use.
flowing, granular material having a chromate base as recom-
mended by the supplier, usually at a concentration of 90 to 120
2. Referenced Documents
g/L (12 to 16 oz/gal) of water.
2.1 ASTM Standards:
5.5 Sand—Dry sand capable of passing through a 10-mesh
C207 Specification for Hydrated Lime for Masonry Pur-
wire screen.
poses
6. Test Panels
D823 Practices for Producing Films of Uniform Thickness
of Paint, Varnish, and Related Products on Test Panels
6.1 Panels of extruded aluminum alloy No. 6063-T5 with
dimensions 150 by 75 by 6.3 mm (6 by 3 by ⁄4 in.) shall be
3. Summary of Test Method
used for the test.
3.1 Panels that have been buffed, cleaned, neutralized, and
7. Procedure
coated with the material being evaluated are exposed to freshly
7.1 Preparation of Test Panels:
prepared mortar and to a hydrochloric acid solution.
7.1.1 Buff the aluminum panels and remove the buffing
compound with an organic solvent.
4. Significance and Use
7.1.2 Immerse the panels in cleaning solution (5.2)for1hat
4.1 This test method will provide differentiation between
a temperature of 93°C (200°F).
types of coatings for acid and motor resistance providing the
7.1.3 Rinse the panels in tap water having a pH of 6.5 to 7.5
coating is applied in a uniform continuous film with a specified
until the surface is free of water break. Use reagent water for
film thickness.
rinsing if the pH of the tap water is outside the specified limits.
The panels shall be free from evidence of corrosion or surface
attack.
This test method is under the jurisdiction of ASTM Committee D01 on Paint 7.1.4 Immerse the panels in neutralizing solution (5.4)at24
and Related Coatings, Materials, andApplications and is the direct responsibility of
6 1°C (75 6 2°F) for 30 s to neutralize any retained alkalinity
Subcommittee D01.55 on Factory Applied Coatings on Preformed Products.
and to promote adhesion of the applied coatings.
Current edition approved June 1, 2011. Published June 2011. Originally
7.1.5 Rinse the panels in reagent water and allow them to
approved in 1982. Last previous edition approved in 2005 as D3260 – 01 (2005).
DOI: 10.1520/D3260-01R11.
dry a minimum of 1 h before coating.
For referenced ASTM standards, visit the ASTM website, www.astm.org, or
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
Standards volume information, refer to the standard’s Document Summary page on Diversey No. 808 has been found satisfactory for this purpose.
the ASTM website. Diversey No. 814 has bee
...

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ASTM Standards  
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Pictorial Standard D2200  
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Heating of Coating  
6.4  
Weather Considerations  
7  
Drying  
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Low Temperature  
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High Temperature  
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Moisture  
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Wind  
7.5  
Coating Application  
8  
Residual Contaminants  
8.1  
Quality Assurance  
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Film Defects  
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Brush Application  
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Spray Application  
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Roller Application  
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