ASTM D6189-97(2022)

This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the
Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.
Designation: D6189 − 97 (Reapproved 2022)
Standard Practice for
Evaluating the Efficiency of Chemical Removers for Organic
Coatings
This standard is issued under the fixed designation D6189; 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 3. Terminology
3.1 Definitions of Terms Specific to This Standard:
1.1 The practice evaluates the effectiveness of coatings
removers used on clear or pigmented coatings as applied to 3.1.1 coatings remover, n—a product that is formulated for
the removal of paint, varnish, lacquer, shellac, or polyurethane
wood and metal.
top coats, or related coatings, or both.
1.2 The values stated in SI units are to be regarded as the
standard. The values given in parentheses are for information
4. Summary of Practice
only.
4.1 Test panels are coated and force dried. The coatings
1.3 This standard does not purport to address all of the
remover is applied with a brush and the loosened coating is
safety concerns, if any, associated with its use. It is the
lifted with a plastic scraper after a specified time. Coatings
responsibility of the user of this standard to establish appro-
removal efficiency is determined and recorded using a rating
priate safety, health, and environmental practices and deter-
scheme of 5 to 0.
mine the applicability of regulatory limitations prior to use.
1.4 This international standard was developed in accor-
5. Significance and Use
dance with internationally recognized principles on standard-
ization established in the Decision on Principles for the 5.1 Oldcoatings,suchaspaintorrelatedcoatings,mayhave
Development of International Standards, Guides and Recom- to be removed from a surface before successful recoating can
mendations issued by the World Trade Organization Technical occur. This practice can be used to test the coatings removal
Barriers to Trade (TBT) Committee.
efficiency of products designed for such use.
2. Referenced Documents 6. Apparatus
6.1 Forced Draft Oven, Type IB, in accordance with Speci-
2.1 ASTM Standards:
D609 Practice for Preparation of Cold-Rolled Steel Panels fication E145.
for Testing Paint, Varnish, Conversion Coatings, and
6.2 Paint Brush, containing nylon/polyester bristles.
Related Coating Products
6.3 Plastic Paint Scraper.
D823 Practices for Producing Films of Uniform Thickness
of Paint, Coatings and Related Products on Test Panels 6.4 Very Fine Garnet Abrasive-Type Sandpaper, 240 to 220
D3924 Specification for Standard Environment for Condi- grade.
tioning and Testing Paint, Varnish, Lacquer, and Related
6.5 Stopwatch.
Materials
E145 Specification for Gravity-Convection and Forced-
7. Testing Materials
Ventilation Ovens
7.1 Finished—is recommended to test coatings removers on
a variety of finishes such as latex enamel, alkyd enamel,
polyurethane, varnish, shellac, and nitrocellulose lacquer, or as
This practice is under the jurisdiction of ASTM Committee D01 on Paint and
agreed upon between the purchaser and the seller.
Related Coatings, Materials, and Applications and is the direct responsibility of
Subcommittee D01.42 on Architectural Coatings.
7.2 Wood test panels of solid wood or wood laminate such
Current edition approved Dec. 1, 2022. Published December 2022. Originally
asbirchplywood,fir,pine,oak,orwalnut.Smoothsawnpanels
approved in 1997. Last previous edition approved in 2014 as D6189 – 97 (2014).
of dimensions not less than 300 mm by 300 mm (12 in. by
DOI: 10.1520/D6189-97R22.
2 5
For referenced ASTM standards, visit the ASTM website, www.astm.org, or 12 in.) and 8 mm ( ⁄16 in.) thick.
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
7.3 Steeltestpanelswithdimensionsof150 mmby300 mm
Standards volume information, refer to the standard’s Document Summary page on
the ASTM website. (6 in. by 12 in.) and 0.8 mm (0.032 in.) thick.
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