ASTM D6962-12
(Practice)Standard Practice for Operation of a Roller Chair Tester for Pile Yarn Floor Coverings
Standard Practice for Operation of a Roller Chair Tester for Pile Yarn Floor Coverings
SIGNIFICANCE AND USE
This practice is applicable for use in testing the durability of pile yarn floor covering of all types.
This practice is designed to simulate the stress on a pile yarn floor covering from the action of weighted roller chair casters over an extended period of time.
The specimen is tested under conditions that may simulate an actual flooring installation. This may include the pile yarn floor covering plus a specified underlayment cushion.
This practice is used to prepare specimens for additional testing, including but not limited to: visual assessment of delamination of the secondary backing, visual assessment of the pile surface, resistance to delamination measurement, tuft bind, and pile yarn raveling.
SCOPE
1.1 This practice covers a procedure for the operation of a weighted roller chair testing device that rotates and moves across a test specimen of pile yarn floor coverings.
1.2 This practice is applicable for testing unused pile yarn floor covering of all types.
1.3 The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard.
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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Designation: D6962 − 12
Standard Practice for
Operation of a Roller Chair Tester for Pile Yarn Floor
1
Coverings
This standard is issued under the fixed designation D6962; 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 3.2 For all other terminology related to textiles, refer to
Terminology D123.
1.1 This practice covers a procedure for the operation of a
weighted roller chair testing device that rotates and moves
4. Summary of Test Method
across a test specimen of pile yarn floor coverings.
4.1 The carpet test specimen is secured to a table with the
1.2 This practice is applicable for testing unused pile yarn
pile surface exposed and is subjected to the action of three
floor covering of all types.
castors which produce an eccentric turning motion under a
1.3 The values stated in inch-pound units are to be regarded
weighted roller chair device that moves across the test speci-
as standard. The values given in parentheses are mathematical
men for a specified number of cycles.
conversions to SI units that are provided for information only
and are not considered standard.
5. Significance and Use
1.4 This standard does not purport to address all of the
5.1 This practice is applicable for use in testing the dura-
safety concerns, if any, associated with its use. It is the
bility of pile yarn floor covering of all types.
responsibility of the user of this standard to establish appro-
5.2 This practice is designed to simulate the stress on a pile
priate safety and health practices and determine the applica-
yarn floor covering from the action of weighted roller chair
bility of regulatory limitations prior to use.
casters over an extended period of time.
2. Referenced Documents
5.3 The specimen is tested under conditions that may
2
simulate an actual flooring installation. This may include the
2.1 ASTM Standards:
pile yarn floor covering plus a specified underlayment cushion.
D123 Terminology Relating to Textiles
D1776 Practice for Conditioning and Testing Textiles
5.4 This practice is used to prepare specimens for additional
D2240 Test Method for Rubber Property—Durometer Hard-
testing, including but not limited to: visual assessment of
ness
delamination of the secondary backing, visual assessment of
D5684 Terminology Relating to Pile Floor Coverings
the pile surface, resistance to delamination measurement, tuft
bind, and pile yarn raveling.
3. Terminology
6. Apparatus and Materials
3.1 For definitions of terms relating to Pile Floor Coverings,
D13.21, refer to Terminology D5684.
6.1 RollerChairTesterisconstructedofsteelwitharotating
3.1.1 The following terms are relevant to this standard:
circular table and a weighted roller fixture, rotating off-center
carpet, durability, finished, finished pile yarn floor covering,
to the table. The apparatus also has electronic controls, a
floor covering, pile, pile yarn floor covering, practice, resis-
protective cage, and a vacuum system to remove lint and dust.
tance to delamination, secondary backing, textile floor
The area of contact between the rollers and the pile yarn wear
covering, tufted fabric, underlay.
will be an annulus with an outside diameter of 23.6 6 0.6 in.
(600 6 15 mm) and inside diameter of 3.9 6 0.6 in. (100 6 15
mm).
1
ThispracticeisunderthejurisdictionofASTMCommitteeD13onTextilesand
6.1.1 Rotating circular table is 31.3 6 0.4 in. (795 6 10
is the direct responsibility of Subcommittee D13.21 on Pile Floor Coverings.
mm) diameter and 0.5 6 0.1 in. (12 6 1 mm) thick with two
Current edition approved Feb. 1, 2012. Published March 2012. Originally
stabilizing bolts positioned to prevent the specimen from
approved in 2003. Last previous edition approved in 2005 as D6962–05. DOI:
10.1520/D6962-12.
moving during the test. The base plate rotates at a speed of 2.1
2
For referenced ASTM standards, visit the ASTM website, www.astm.org, or
6 0.4 rad/s (20 6 4 r/min). The disc base plate rotates in one
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
direction for approximately 3 min and then stops for 3 to 5 s
Standards volume information, refer to the standard’s Document Summary page on
the ASTM website. before reversing direction.
Copyright ©ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA19428-2959. United States
1
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D6962 − 12
07—Vacuum Cleaner
08—Suction Nozzle
09—Base Table
10—Roller Fixture
11—Handwheel and weighted disks
13—Chair Castors
14—Chain guards
FIG. 1 Roller Castor Chair Tester
6.1.2 The roller fixture is offset 7.8 6 0.2 in. (198 6 4 mm)
...
This document is not anASTM standard and is intended only to provide the user of anASTM standard an indication of what changes have been made to the previous version. Because
it may not be technically possible to adequately depict all changes accurately, ASTM recommends that users consult prior editions as appropriate. In all cases only the current version
of the standard as published by ASTM is to be considered the official document.
Designation:D6962–05 Designation:D6962–12
Standard Practice for
Operation of a Roller Chair Tester for Pile Yarn Floor
1
Coverings
This standard is issued under the fixed designation D6962; 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
1.1 This practice covers a procedure for the operation of a weighted roller chair testing device that rotates and moves across
a test specimen of pile yarn floor coverings.
1.2 This practice is applicable for testing unused pile yarn floor covering of all types.
1.3The values stated in SI units are to be regarded as the standard.The inch-pound units given in parenthesis are for information
only.
1.3 The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical
conversions to SI units that are provided for information only and are not considered standard.
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.
2. Referenced Documents
2
2.1 ASTM Standards:
D123 Terminology Relating to Textiles
D1776 Practice for Conditioning and Testing Textiles
D2240 Test Method for Rubber PropertyDurometer Hardness
D5684 Terminology Relating to Pile Floor Coverings
3. Terminology
3.1 For definitions of terms relating to Pile Floor Coverings, D13.21, refer to Terminology D5684.
3.1.1 The following terms are relevant to this standard: carpet, durability, finished, finished pile yarn floor covering, floor
covering,pile,pileyarnfloorcovering,practice,resistancetodelamination,secondarybacking,textilefloorcovering,tuftedfabric,
underlay.
3.2 For all other terminology related to textiles, refer to Terminology D123.
4. Summary of Test Method
4.1 The carpet test specimen is secured to a table with the pile surface exposed and is subjected to the action of three castors
which produce an eccentric turning motion under a weighted roller chair device that moves across the test specimen for a specified
number of cycles.
5. Significance and Use
5.1 This practice is applicable for use in testing the durability of pile yarn floor covering of all types.
5.2 This practice is designed to simulate the stress on a pile yarn floor covering from the action of weighted roller chair casters
over an extended period of time.
5.3The specimen is tested under conditions that may simulate an actual flooring installation.This may include the pile yarn floor
covering plus a specified underlayment cushion.This practice is used to prepare specimens for additional testing, including but not
limited to: visual assessment of delamination of the secondary backing, visual assessment of the pile surface, resistance to
delamination measurement, tuft bind, and pile yarn raveling.
1
This practice is under the jurisdiction of ASTM Committee D13 on Textiles and is the direct responsibility of Subcommittee D13.21 on Pile Yarn Floor Coverings.
Current edition approved MarchFeb. 1, 2005.2012. Published April 2005.March 2012. Originally approved in 2003. Last previous edition approved in 20042005 as
D6962–04.D6962–05. DOI: 10.1520/D6962-05.10.1520/D6962-12.
2
For referencedASTM standards, visit theASTM website, www.astm.org, or contactASTM Customer Service at service@astm.org. For Annual Book ofASTM Standards
volume information, refer to the standard’s Document Summary page on the ASTM website.
Copyright ©ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA19428-2959, United States.
1
---------------------- Page: 1 ----------------------
D6962–12
5.4This practice is used to prepare specimens for additional testing, including but not limited to: visual assessment of
delamination of the secondary backing, visual assessment of the pile surface, resistance to delamination measurement, tuft bind,
and pile yarn raveling.
5.3 The specimen is tested under conditions that may simulate an actual flooring installation. This may include the pile yarn
floor covering plus a specified underlayment cushion.
5.4 This practice is used to prepare specimens for additional testing, including but not limited to: visual assessment of
delamination of the secondary backing, visual ass
...
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