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ASTM D6736-08(2013)

(Test Method)

Standard Test Method for Burnish Resistance of Latex Paints

Standard Test Method for Burnish Resistance of Latex Paints

SIGNIFICANCE AND USE
5.1 Interior flat paints may become burnished in areas where clothing or upholstered furniture rub against a wall. This rubbing may cause a smoother, glossier surface at the contacted area, depending on the level or type of pigments in the paint and binder hardness. This method permits a more quantitative estimate of burnish resistance than those using manual rubbing techniques.
SCOPE
1.1 This test method covers a procedure for measuring the resistance of latex paints to burnishing under dry conditions.  
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-Jan-2013
ICS
87.040 - Paints and varnishes
Technical Committee
D01 - Paint and Related Coatings, Materials, and Applications
Drafting Committee
D01.42 - Architectural Coatings
Current Stage
Ref Project

Relations

Replaces
ASTM D6736-08 - Standard Test Method for Burnish Resistance of Latex Paints
Effective Date
01-Feb-2013
Replaced By
ASTM D6736-08(2019) - Standard Test Method for Burnish Resistance of Latex Paints
Effective Date
01-Apr-2019
Referred By
ASTM D5324-16(2022) - Standard Guide for Testing Water-Borne Architectural Coatings
Effective Date
01-Feb-2013
Referred By
ASTM D3730-17(2022) - Standard Guide for Testing High-Performance Interior Architectural Wall Coatings
Effective Date
01-Feb-2013

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ASTM D6736-08(2013) - Standard Test Method for Burnish Resistance of Latex PaintsASTM D6736-08(2013) - Standard Test Method for Burnish Resistance of Latex Paints
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ASTM D6736-08(2013) - Standard Test Method for Burnish Resistance of Latex Paints
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NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.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: D6736 − 08 (Reapproved 2013)
Standard Test Method for
Burnish Resistance of Latex Paints
This standard is issued under the fixed designation D6736; 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* final gloss readings, divided by the initial reading times 100 is
a quantitative indication of the paint’s resistance to burnishing.
1.1 This test method covers a procedure for measuring the
Higher percentage increases denote poorer resistance and
resistance of latex paints to burnishing under dry conditions.
vice-versa.
1.2 The values stated in SI units are to be regarded as the
standard. The values given in parentheses are for information 5. Significance and Use
only.
5.1 Interiorflatpaintsmaybecomeburnishedinareaswhere
1.3 This standard does not purport to address all of the
clothing or upholstered furniture rub against a wall. This
safety concerns, if any, associated with its use. It is the
rubbingmaycauseasmoother,glossiersurfaceatthecontacted
responsibility of the user of this standard to establish appro-
area, depending on the level or type of pigments in the paint
priate safety and health practices and determine the applica-
and binder hardness. This method permits a more quantitative
bility of regulatory limitations prior to use.
estimate of burnish resistance than those using manual rubbing
techniques.
2. Referenced Documents
2 6. Apparatus
2.1 ASTM Standards:
D523 Test Method for Specular Gloss 6.1 Constant temperature/humidity room 23 6 2°C (73.5 6
D2486 Test Methods for Scrub Resistance of Wall Paints 3.5°F); 50 6 5 % relative humidity (standard conditions,
D3924 Specification for Environment for Conditioning and Specification D3924).
Testing Paint, Varnish, Lacquer, and Related Materials
6.2 Washability Machine (Scrub Machine),describedinTest
Methods D2486.
3. Terminology
6.2.1 Accessory Apparatus:
3.1 Definitions:
6.2.1.1 Sandpaper Attachment, total weight 454 g.
3.1.1 burnish resistance, n—the ability of a coating to resist
6.2.1.2 Glass Plate, measured to fit.
an increase in its gloss (sheen) value after polishing or rubbing.
6.2.1.3 Gasket Frame and Clamps.
6.3 Large Vacuum Plate.
4. Summary of Test Method
6.4 Film Caster, having a 0.18-mm (7.0-mil) clearance.
4.1 Test paints are drawn down lengthwise on plastic panels
using a 0.18-mm (7.0-mil) applicator and allowed to air-dry for 6.5 Glossmeter(s), capable of measuring 60° and 85° gloss
one week. Gloss readings are taken at three equally spaced
in accordance with Test Method D523.
points, lengthwise along the center of the panel. The panel is
7. Materials
thenrubbedfor20cyclesonascrubmachine,afterwhichgloss
readings are again taken along the same path abraded by the
7.1 Plastic Scrub Panels, 43.5 by 16.5 mm (17 by 6.5 in.),
scrub machine. The initial values are averaged and the final
white or black.
values are averaged. The difference between the initial and
7.2 Cheesecloth, 4-ply, medium weave.
8. Procedure
This test method is under the jurisdiction of ASTM Committee D01 on Paint
and Related Coatings, Materials, andApplications and is the direct responsibility of 8.1 Application and Evaluation of Test Paints:
Subcommittee D01.42 on Architectural Coatings.
8.1.1 Attach a plastic panel to the vacuum plate and draw
Current edition approved Feb. 1, 2013. Published February 2013. Originally
down the test paint uniformly lengthwise, using the 0.18-mm
approved in 2001. Last previous edition approved in 2008 as D6736 – 08. DOI:
(7.0-mil) side of the applicator.
10.1520/D6736-08R13.
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 Bleached cheesecloth, grade 20B, 24/20 (medium) weave was used in devel-
the ASTM website. oping this method.
*A Summary of Changes section appears at the end of this standard
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
D6736 − 08 (2013)
8.1.2 Condition the panels for one week in the constant 10.1.1 The precision of this test method is based on an
temperature / humidity room or under other conditions agreed interlaboratory study (research report is filed with ASTM) of
upon between the buyer and seller. Test Method D6736. Each of six laboratories tested the burnish
8.1.3 Take three equally spaced gloss readings (Test Method resistance of latex paints. The percentage of gloss increase was
D523) along the center length of the panel, making sure the determined for a total of five different paints, with three
areas of the readings are within the travel path of the scrub replicates of the analysis being performed on each sample.
machine attachment. The resulting average of the three read- Results from the interlaboratory study are summari
...

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