ASTM D5068-92(1997)

Standard Practice for Preparation of Paint Brushes for Evaluation

SCOPE
1.1 This practice describes the preparation of paint brushes for evaluation.
1.2 This practice is applicable to paint brushes 2 to 4 in. (50 to 100 mm) in width.
1.3  This standard does not purport to address the safety problems, 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: 09-Feb-2002
• ICS: 87.100 - Paint coating equipment
• Technical Committee: D01 - Paint and Related Coatings, Materials, and Applications
• Drafting Committee: D01.61 - Paint Application Tools

Relations

• Replaced By: ASTM D5068-02 - Standard Practice for Preparation of Paint Brushes for Evaluation
• Effective Date: 10-Feb-2002

Standards Content (Sample)

NOTICE: This standard has either been superseded and replaced by a new version or
withdrawn.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: D 5068 – 92 (Reapproved l997)
AMERICAN SOCIETY FOR TESTING AND MATERIALS
100 Barr Harbor Dr., West Conshohocken, PA 19428
Reprinted from the Annual Book of ASTM Standards. Copyright ASTM
Standard Practice for
Preparation of Paint Brushes for Evaluation
This standard is issued under the fixed designation D 5068; 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 6. Materials
1.1 This practice describes the preparation of paint brushes 6.1 Test Paint.
for evaluation. 6.2 Brush-Out Panels, or other typical panels to be used.
1.2 This practice is applicable to paint brushes 2 to 4 in. (50 6.3 Masking Tape, to secure the panel to a flat surface.
to 100 mm) in width.
7. Procedure
1.3 This standard does not purport to address the safety
concerns, if any, associated with its use. It is the responsibility 7.1 All tests are to be conducted in an atmosphere having a
of the user of this standard to establish appropriate safety and temperature of 73.5 6 3.5°F (23 6 2°C) and a relative
humidity of 50 6 5 % (see Specification D 3924).
health practices and determine the applicability of regulatory
limitations prior to use. 7.2 Secure the brush-out panel with masking tape to a flat,
smooth, horizontal surface.
2. Referenced Documents
7.3 Dip the test brush into the specified paint to the depth
2.1 ASTM Standards: shown below:
D 3924 Specification for Standard Environment for Condi-
Brush Width, in. (mm) Depth, in. (mm)
1 1
2 and 2 ⁄2 (50 and 62.5) 1 ⁄2 (38)
tioning and Testing Paint, Varnish, Lacquer, and Related
1 3
3 and 3 ⁄2 (75 and 87.5) 1 ⁄4 (45)
Materials
4 (100) 2 (50)
3. Summary of Practice 7.4 Hold the brush at the specified depth in the paint for 10
s. Remove and hold the brush vertically for 30 s allowing any
3.1 Using a paint chosen for the evaluation, the brush to be
excess paint to drain.
tested is repeatedly loaded with this paint and brushed out over
7.5 After the drain period, immediately apply paint to the
a specified area in a specified application time.
specified initial area on the brush-out panel as indicated below:
4. Significance and Use
Brush Width, in. (mm) Initial Area, cm
2 and 2 ⁄2(50 and 62.5) 250
4.1 Until a paint brush is fully wetted with paint, only part
3 to 4 (75 to 100) 500
of the paint loaded onto the
...