ASTM D1335-12
(Test Method)Standard Test Method for Tuft Bind of Pile Yarn Floor Coverings
Standard Test Method for Tuft Bind of Pile Yarn Floor Coverings
SIGNIFICANCE AND USE
Test Method D1335 for tuft bind of pile yarn floor coverings is being used for acceptance testing of commercial shipments. Comparative tests as directed in 5.1.1 may be advisable.
In case of a dispute arising from differences in reported test results using this test method, the purchaser and the supplier should conduct comparative tests to determine if there is a statistical bias between their laboratories. Competent statistical assistance is recommended from the investigation of bias. As a minimum, the two parties should take a group of test samples that are homogeneous as possible and are from a lot of material of the type in question. The test samples should then be randomly assigned in equal numbers to each laboratory for testing. The average results from the two laboratories should be compared using appropriate statistical analysis, and a probability level chosen by the two parties before testing begun. If a bias is found, either its cause must be found and corrected or the purchaser and the supplier must agree to interpret future test results with consideration to the known bias.
The satisfactory performance of a pile yarn floor covering depends to a considerable extent on the maintenance of its original appearance. In a cut pile yarn floor covering an inadequate tuft bind may result in complete loss of pile in areas exposed to severe wear. In a looped pile yarn floor covering with inadequate tuft bind the pile loops may be pulled out to form unsightly long loops which may be hazardous.
SCOPE
1.1 This test method covers the measurement of force required to pull or break a tuft from a pile floor covering sample.
1.2 This test method is applicable to both cut and loop pile yarn floor covering.
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:D1335 −12
Standard Test Method for
1
Tuft Bind of Pile Yarn Floor Coverings
This standard is issued under the fixed designation D1335; 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.
This standard has been approved for use by agencies of the Department of Defense.
1. Scope pile yarn floor covering, pile, pile yarn floor covering, textile
floor covering, tuft, tuft bind, tuft leg, tufted fabric.
1.1 This test method covers the measurement of force
3.2 For all other terminology related to textiles see Termi-
required to pull or break a tuft from a pile floor covering
sample. nology D123.
1.2 This test method is applicable to both cut and loop pile
4. Summary of Method
yarn floor covering.
4.1 Atest sample is mounted in a special clamping fixture to
1.3 The values stated in inch-pound units are to be regarded
the base of a tensile testing machine. A hook (for loops
as standard. The values given in parentheses are mathematical
specimen) or a tuft clamp (for cut pile specimen) are used to
conversions to SI units that are provided for information only
remove a specimen from the sample. The force to pull the
and are not considered standard.
specimenfreefromthetestsampleismeasuredasthetuftbind.
1.4 This standard does not purport to address all of the
5. Significance and Use
safety concerns, if any, associated with its use. It is the
5.1 Test Method D1335 for tuft bind of pile yarn floor
responsibility of the user of this standard to establish appro-
coverings is being used for acceptance testing of commercial
priate safety and health practices and determine the applica-
shipments. Comparative tests as directed in 5.1.1 may be
bility of regulatory limitations prior to use.
advisable.
5.1.1 In case of a dispute arising from differences in
2. Referenced Documents
2 reported test results using this test method, the purchaser and
2.1 ASTM Standards:
the supplier should conduct comparative tests to determine if
D76 Specification for Tensile Testing Machines for Textiles
there is a statistical bias between their laboratories. Competent
D123 Terminology Relating to Textiles
statistical assistance is recommended from the investigation of
D1776 Practice for Conditioning and Testing Textiles
bias.As a minimum, the two parties should take a group of test
D5684 Terminology Relating to Pile Floor Coverings
samples that are homogeneous as possible and are from a lot of
E691 Practice for Conducting an Interlaboratory Study to
material of the type in question. The test samples should then
Determine the Precision of a Test Method
be randomly assigned in equal numbers to each laboratory for
E177 Practice for Use of the Terms Precision and Bias in
testing.Theaverageresultsfromthetwolaboratoriesshouldbe
ASTM Test Methods
compared using appropriate statistical analysis, and a probabil-
ity level chosen by the two parties before testing begun. If a
3. Terminology
bias is found, either its cause must be found and corrected or
3.1 For all terminology related to Pile Floor Coverings,
the purchaser and the supplier must agree to interpret future
D13.21, refer to Terminology D5684.
test results with consideration to the known bias.
3.1.1 The following terms are relevant to this standard:
5.2 The satisfactory performance of a pile yarn floor cover-
carpet, constant-rate-of-extension, cut pile yarn floor covering,
ing depends to a considerable extent on the maintenance of its
finished, finished pile yarn floor covering, floor covering, loop
original appearance. In a cut pile yarn floor covering an
inadequate tuft bind may result in complete loss of pile in areas
1
This test method is under the jurisdiction ofASTM Committee D13 on Textiles
exposed to severe wear. In a looped pile yarn floor covering
and is the direct responsibility of Subcommittee D13.21 on Pile Floor Coverings.
with inadequate tuft bind the pile loops may be pulled out to
Current edition approved July 1, 2012. Published August 2012. Originally
approved in 1954. Discontinued in November 1995 and reinstated as D1335 – 98.
form unsightly long loops which may be hazardous.
Last previous edition approved in 2011 as D1335 – 11. DOI: 10.1520/D1335-12.
2
For referenced ASTM standards, visit the ASTM website, www.astm.org, or
6. Apparatus
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
6.1 Tensile Testing Machine, Constant-rate-of-extension
Standards volume information, refer to the standard’s Document Summary page on
the ASTM website. (CRE) type, conforming to Specification D76, with a capacity
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box
...
This document is not an ASTM standard and is intended only to provide the user of an ASTM 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:D1335–11 Designation: D1335 – 12
Standard Test Method for
1
Tuft Bind of Pile Yarn Floor Coverings
This standard is issued under the fixed designation D1335; 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.
This standard has been approved for use by agencies of the Department of Defense.
1. Scope
1.1 This test method covers the measurement of force required to pull or break a tuft from a pile floor covering sample.
1.2 This test method is applicable to both cut and loop pile yarn floor covering.
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:
D76 Specification for Tensile Testing Machines for Textiles
D123 Terminology Relating to Textiles
D1776 Practice for Conditioning and Testing Textiles D2904Practice for Interlaboratory Testing of a Textile Test Method that
Produces Normally Distributed Data
D2906Practice for Statements on Precision and Bias for Textiles
D5684 Terminology Relating to Pile Floor Coverings Terminology Relating to Pile Floor Coverings
E691 Practice for Conducting an Interlaboratory Study to Determine the Precision of a Test Method
E177 Practice for Use of the Terms Precision and Bias in ASTM Test Methods
3. Terminology
3.1 For all terminology related to Pile Floor Coverings, D13.21, refer to Terminology D5684.
3.1.1 The following terms are relevant to this standard: carpet, constant-rate-of-extension, cut pile yarn floor covering, finished,
finished pile yarn floor covering, floor covering, loop pile yarn floor covering, pile, pile yarn floor covering, textile floor covering,
tuft, tuft bind, tuft leg, tufted fabric.
3.2 For all other terminology related to textiles see Terminology D123.
4. Summary of Method
4.1 Atest sample is mounted in a special clamping fixture to the base of a tensile testing machine.Ahook (for loops specimen)
or a tuft clamp (for cut pile specimen) are used to remove a specimen from the sample. The force to pull the specimen free from
the test sample is measured as the tuft bind.
5. Significance and Use
5.1 Test Method D1335 for tuft bind of pile yarn floor coverings is being used for acceptance testing of commercial shipments.
Comparative tests as directed in 5.1.1 may be advisable.
5.1.1 In case of a dispute arising from differences in reported test results using this test method, the purchaser and the supplier
should conduct comparative tests to determine if there is a statistical bias between their laboratories. Competent statistical
assistance is recommended from the investigation of bias.As a minimum, the two parties should take a group of test samples that
are homogeneous as possible and are from a lot of material of the type in question. The test samples should then be randomly
1
This test method is under the jurisdiction of ASTM Committee D13 on Textiles and is the direct responsibility of Subcommittee D13.21 on Pile Floor Coverings.
Current edition approved Aug.July 1, 2011.2012. Published September 2011.August 2012. Originally approved in 1954. Discontinued in November 1995 and reinstated
as D1335 – 98. Last previous edition approved in 20052011 as D1335–05.D1335 – 11. DOI: 10.1520/D1335-112.
2
ForreferencedASTMstandards,visittheASTMwebsite,www.astm.org,orcontactASTMCustomerServiceatservice@astm.org.ForAnnualBookofASTMStandards
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, PA 19428-2959, United States.
1
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D1335 – 12
assigned in equal numbers to each laboratory for testing. The average results from the two laboratories should be compared using
appropriate statistical analysis, and a probability level chosen by the two parties before testing begun. If a bias is found, either its
cause must be found and c
...
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