Standard Test Method for Evaluation of Cleanability of Paint Brushes

SCOPE
1.1 This test method covers a laboratory procedure for the evaluation or comparison of the cleanability of paint brushes, or both, when used with latex paints.  
1.2 This test method is applicable to paint brushes up to 4 in. (100 mm) in width and of similar head dimensions as described in Practice D5301.  
1.3 The values stated in inch-pounds are to be regarded as the standard. The SI values given in parentheses are provided for information only.  
1.4 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.

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Historical
Publication Date
31-Dec-1995
Current Stage
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ASTM D5913-96 - Standard Test Method for Evaluation of Cleanability of Paint Brushes
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NOTICE: This standard has either been superceded and replaced by a new version or discontinued.
Contact ASTM International (www.astm.org) for the latest information.
Designation: D 5913 – 96
Standard Test Method for
Evaluation of Cleanability of Paint Brushes
This standard is issued under the fixed designation D 5913; 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. Significance and Use
1.1 This test method covers a laboratory procedure for the 4.1 The final appearance of a paint brush after it has been
evaluation or comparison of the cleanability of paint brushes, used and cleaned is related to the ability of the brush to perform
or both, when used with latex paints. consistently upon repeated use. This test method offers a
1.2 This test method is applicable to paint brushes up to 4 in. subjective visual criteria that provides a rank order of
(100 mm) in width and of similar head dimensions as described cleanability of the filaments of a brush after use.
in Practice D 5301.
5. Apparatus
1.3 The values stated in inch-pounds are to be regarded as
5.1 Test Brushes, up to 4-in. (100-mm) sizes.
the standard. The SI values given in parentheses are provided
for information only. 5.2 Weight-per-Gallon Cup or pycnometer.
5.3 Balance, capable of weighing to an accuracy of 0.1 g.
1.4 This standard does not purport to address all of the
safety concerns, if any, associated with its use. It is the 5.4 Stopwatch.
responsibility of the user of this standard to establish appro-
6. Materials
priate safety and health practices and determine the applica-
6.1 Test Panels, with a sealed surface, having 1.076 ft (1000
bility of regulatory limitations prior to use.
cm ) of test area for 2-in. (50-mm) brushes.
2. Referenced Documents
6.2 Laminated Fiber Board, (upson board) 24 by 12 in. (610
by 305 mm) with at least one smooth side for 3-in. (75-mm)
2.1 ASTM Standards:
D 1475 Test Method for Density of Paint, Varnish, Lacquer, and 4-in. (100-mm) size brushes.
6.3 Latex-Base Primer.
and Related Products
D 3924 Specification for Standard Environment for Condi- 6.4 Specified Test Paint.
6.5 Abrasive Grit Soap.
tioning and Testing Paint, Varnish, Lacquer and Related
Materials 6.6 Kraft or Brown Wrapping Paper, unsealed, 8 by 18 in.
(200 by 460 mm).
D 3925 Practice for Sampling Liquid Paints and Related
Pigmented Coatings
NOTE 1—The choice of the color of the test paint to be used should be
D 5068 Practice for Preparation of Paint Brushes for Evalu-
dependent on the color of the filaments in the brushes under evaluation. A
ation
light colored paint is preferable for dark filament-containing brushes and
D 5301 Practice for Physical Characterization of Paint conversely, a dark colored paint is preferable for brushes containing
light-colored filaments. Latex interior flat paints are preferred because
Brushes
they dry faster than gloss or semigloss paints.
3. Summary of Test Method
7. Sampling and Conditioning
3.1 The test brushes are washed prior to painting to remove
7.1 Sampling of test paint to be used in this test method
any residual finishes from the manufacturer, broken in, and
shall be in accordance with Practice D 3925.
then dipped into the test paint for a specified period, allowed to
7.2 Condition the materials to be used in this test method in
drain and the excess removed by brushing out on paper. After
accordance with Section 6, Conditioning and Testing, of
a specified drying period, the brushes are cleaned and evalu-
Specification D 3924 for 24 h before use.
ated for the presence of residual paint on the filaments.
1 4
This test method is under the jurisdiction of ASTM Committee D-1 on Paint Test charts such as Leneta Form 8H have been found suitable. They are
and Related Coatings, Materials, and Applications and is the direct responsibility of available from the Leneta Company, 15 Whitney Road, Mahwah, NJ 07430.
Subcommittee D01.61 on Paint Application Tools. Similar to U.S. Federal Specification TT-P-650C Primer Coating, White has
Current edition approved March 10, 1996. Published May 1996. been found suitable for this purpose. Other latex primers may be adapted to meet the
Annual Book of ASTM Standards, Vol 06.01. requirements of this test method.
3 6
Annual Book of ASTM Standards, Vol 06.02. Lava soap has been found suitable for this purpose.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.
NOTICE: This standard has either been superceded and replaced by a new version or discontinued.
Contact ASTM International (www.astm.org) for the latest information.
D5913–96
7.3 All testing should be performed under the same condi- 8.11 After preparing brush out, dip brush into the paint to
tions as outlined in 7.2. Do not change operators during the the specified depth for its size as shown in Practice D 5068 for
running of a series of tests, since this may invalidate any rank
10 s. Remove brush and maintain in a vertical position for 306
orders. 2 s and allow excess paint to drain. Make four passes with each
test brush on the kraft paper (6.6). Each pass shall consist of
8. Procedure
painting over the length of t
...

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