ASTM D885-07e1
(Test Method)Standard Test Methods for Tire Cords, Tire Cord Fabrics, and Industrial Filament Yarns Made from Manufactured Organic-Base Fibers
Standard Test Methods for Tire Cords, Tire Cord Fabrics, and Industrial Filament Yarns Made from Manufactured Organic-Base Fibers
SIGNIFICANCE AND USE
The procedures in these test methods should be used with caution for acceptance of commercial shipments owing to the absence of factual information on the between-laboratory precision of many of the test procedures included in these test methods. It is recommended that any program of acceptance testing be preceded by an interlaboratory check in the laboratory of the purchaser and the laboratory of the supplier on replicate specimens of the materials to be tested for each property (or properties) to be evaluated.
5.1.1 If there are differences of practical significance between reported test results for two laboratories (or more), comparative tests should be performed to determine if there is a statistical bias between them, using competent statistical assistance. As a minimum, test samples should be used that are as homogeneous as possible, that are drawn from the material from which the disparate test results were obtained, and that are randomly assigned in equal numbers to each laboratory for testing. Other materials with established test values may be used for this purpose. The test results from the two laboratories should be compared using a statistical test for unpaired data, at a probability level chosen prior to the testing series. If a bias is found, either its cause must be found and corrected, or future test results must be adjusted in consideration of the known bias.
The significance and use of particular properties are discussed in the appropriate sections of specific test methods.
SCOPE
1.1 These test methods cover the testing of industrial filament yarns made wholly of manufactured organic-base fibers, cords twisted from such yarns, fabrics woven from such cords, and products that are made specifically for use in the manufacture of pneumatic tires. They may be applied to similar yarns and cords used for reinforcing other rubber goods and for other industrial applications. The test methods apply to nylon, polyester, and rayon yarns and tire cords twisted from such yarns and to fabrics made from such cords. The yarn or cord may be wound on cones, tubes, bobbins, spools, or beams; may be woven into fabric; or may be in some other form. The methods include testing procedure only and include no specifications or tolerances.
1.2 No procedure is included for the determination of fatigue resistance of cord, but several commonly used procedures for the measurement of fatigue resistance of cords in rubber were published in the appendix of these test methods in the 1967 Annual Book of ASTM Standards, Part 24, and in earlier issues of Test Methods D 885.
1.3 The sections on "Growth of Conditioned Yarns and Cords," "Properties of Yarns and Cords at Elevated Temperature," and "Properties of Wet Yarns and Cords" have been moved to as non-mandatory informational items because of their very limited use by the industry and because precision and bias statements are not included.
1.4 This standard includes the following sections:SectionAdhesion of Cord to Elastomers34Bibliography of Tire Cord Test MethodsX5Breaking Strength (Force) of Yarns and Cords at Elevated Tempera-tureX2.3Breaking Strength (Force) of Conditioned Yarns and Cords16Breaking Strength (Force) of Oven-Dried Rayon Yarns and Cords23Breaking Strength (Force) of Rayon Yarns and Cords at SpecifiedMoisture Regain Level, Adjustment of17Breaking Tenacity of Conditioned Yarns and Cords18Breaking Tenacity of Oven-Dried Rayon Yarns and Cords24Breaking Toughness of Yarns and Cords28Commercial Mass9Conditioning7Contraction of Wet Yarns and CordsX3Count of Tire Cord Fabric37Dip (Adhesive) Solids Pickup on Yarns and Cords33Elongation at Break of Conditioned Yarns and Cords19Elongation at Break of Oven-Dried Rayon Yarns and Cords25Elongation of Rayon Yarns and Cords at a Specified Moisture RegainLevel, Adjustment of Observed20Extractable Matter in Yarns and Cords32Force at Specified Elongation (FASE) of Conditioned Yarns andCords21Force at ...
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´1
Designation:D885–07
Standard Test Methods for
Tire Cords, Tire Cord Fabrics, and Industrial Filament Yarns
1
Made from Manufactured Organic-Base Fibers
This standard is issued under the fixed designation D885; 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
´ NOTE—Section 33.4.1 was corrected editorially in July 2008.
1. Scope
Breaking Strength (Force) of Rayon Yarns and Cords at Specified 17
Moisture Regain Level, Adjustment of
1.1 These test methods cover the testing of industrial
Breaking Tenacity of Conditioned Yarns and Cords 18
filament yarns made wholly of manufactured organic-base
Breaking Tenacity of Oven-Dried Rayon Yarns and Cords 24
Breaking Toughness of Yarns and Cords 28
fibers, cords twisted from such yarns, fabrics woven from such
Commercial Mass 9
cords, and products that are made specifically for use in the
Conditioning 7
manufactureofpneumatictires.Theymaybeappliedtosimilar
Contraction of Wet Yarns and Cords X3
Count of Tire Cord Fabric 37
yarnsandcordsusedforreinforcingotherrubbergoodsandfor
Dip (Adhesive) Solids Pickup on Yarns and Cords 33
other industrial applications. The test methods apply to nylon,
Elongation at Break of Conditioned Yarns and Cords 19
polyester, and rayon yarns and tire cords twisted from such Elongation at Break of Oven-Dried Rayon Yarns and Cords 25
Elongation of Rayon Yarns and Cords at a Specified Moisture Regain 20
yarns and to fabrics made from such cords. The yarn or cord
Level, Adjustment of Observed
maybewoundoncones,tubes,bobbins,spools,orbeams;may
Extractable Matter in Yarns and Cords 32
be woven into fabric; or may be in some other form. The Force at Specified Elongation (FASE) of Conditioned Yarns and 21
Cords
methods include testing procedure only and include no speci-
Force at Specified Elongation (FASE) of Oven-Dried Rayon Yarns and 26
fications or tolerances.
Cords
Growth of Conditioned Yarns and Cords X1
1.2 No procedure is included for the determination of
Identification of Fibers 8
fatigue resistance of cord, but several commonly used proce-
Keywords 40
dures for the measurement of fatigue resistance of cords in
Linear Density 11
Mass of per Unit Area of Tire Cord Fabric 36
rubber were published in the appendix of these test methods in
Modulus of Conditioned Yarns and Cords 22
the 1967 Annual Book of ASTM Standards, Part 24, and in
Moisture Regain, Actual 10
earlier issues of Test Methods D885.
Precision and Bias of Certain Yarn and Cord Tests 39
1.3 The sections on “Growth of Conditioned Yarns and 35 to
Properties of Tire Cord Fabric 38
Cords,” “Properties of Yarns and Cords at Elevated Tempera-
Sampling 6
ture,” and “Properties of Wet Yarns and Cords” have been
Shrinkage Force of Conditioned Yarns and Cords at Elevated Temper-
ature X2.5
moved toAppendix X1-Appendix X3 as non-mandatory infor-
Shrinkage of Conditioned Yarns and Cords at Elevated Temperature X2.4
mationalitemsbecauseoftheirverylimitedusebytheindustry
Significance and Use, General 5
and because precision and bias statements are not included.
Significance and Use, Tensile Properties 14
SI Calculations (examples for work-to-break, specific work-to-break,
1.4 This standard includes the following sections:
and breaking toughness) X4
Section
Stiffness of Fabric 38
Adhesion of Cord to Elastomers 34
12 to
Bibliography of Tire Cord Test Methods X5
Tensile Properties of Yarns and Cords 28
Breaking Strength (Force) of Yarns and Cords at Elevated Tempera- X2.3
Terminology 3
ture
Thickness of Cords 31
Breaking Strength (Force) of Conditioned Yarns and Cords 16
Twist in Yarns and Cords 30
Breaking Strength (Force) of Oven-Dried Rayon Yarns and Cords 23
Width of Tire Cord Fabric 35
Work-to-Break of Yarns and Cords 27
1.5 These test methods show the values in both SI and
1
These test methods are under the jurisdiction of ASTM Committee D13 on
inch-pound units. SI units is the technically correct name for
Textiles and are the direct responsibility of Subcommittee D13.19 on Tire Cord and
Fabrics.
thesystemofmetricunitsknownastheInternationalSystemof
Current edition approved July 1, 2007. Published July 2007. Originally approved
Units. Inch-pound units is the technically correct name for the
in1946.Lastpreviouseditionapprovedin2006asD885 – 06DOI:10.1520/D0885-
customary units used in the United States. The values stated in
07E01.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.
1
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´1
D885–07
...
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.
e1
Designation:D885–06 Designation:D885–07
Standard Test Methods for
Tire Cords, Tire Cord Fabrics, and Industrial Filament Yarns
1
Made from Manufactured Organic-Base Fibers
This standard is issued under the fixed designation D 885; 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
e NOTE—Section 33.4.1 was corrected editorially in July 2008.
1. Scope
1.1 These test methods cover the testing of industrial filament yarns made wholly of manufactured organic-base fibers, cords
twisted from such yarns, fabrics woven from such cords, and products that are made specifically for use in the manufacture of
pneumatic tires. They may be applied to similar yarns and cords used for reinforcing other rubber goods and for other industrial
applications.Thetestmethodsapplytonylon,polyester,andrayonyarnsandtirecordstwistedfromsuchyarnsandtofabricsmade
from such cords. The yarn or cord may be wound on cones, tubes, bobbins, spools, or beams; may be woven into fabric; or may
be in some other form. The methods include testing procedure only and include no specifications or tolerances.
1.2 No procedure is included for the determination of fatigue resistance of cord, but several commonly used procedures for the
measurementoffatigueresistanceofcordsinrubberwerepublishedintheappendixofthesetestmethodsinthe1967Annual Book
of ASTM Standards, Part 24, and in earlier issues of Test Methods D 885.
1.3 The sections on “Growth of Conditioned Yarns and Cords,” “Properties of Yarns and Cords at Elevated Temperature,” and
“Properties of Wet Yarns and Cords” have been moved to Appendix X1-Appendix X3 as non-mandatory informational items
because of their very limited use by the industry and because precision and bias statements are not included.
1.4 This standard includes the following sections:
Section
Adhesion of Cord to Elastomers 34
Bibliography of Tire Cord Test Methods X5
Breaking Strength (Force) of Yarns and Cords at Elevated Tempera- X2.3
ture
Breaking Strength (Force) of Conditioned Yarns and Cords 16
Breaking Strength (Force) of Oven-Dried Rayon Yarns and Cords 23
Breaking Strength (Force) of Rayon Yarns and Cords at Specified 17
Moisture Regain Level, Adjustment of
Breaking Tenacity of Conditioned Yarns and Cords 18
Breaking Tenacity of Oven-Dried Rayon Yarns and Cords 24
Breaking Toughness of Yarns and Cords 28
Commercial Mass 9
Conditioning 7
Contraction of Wet Yarns and Cords X3
Count of Tire Cord Fabric 37
Dip (Adhesive) Solids Pickup on Yarns and Cords 33
Elongation at Break of Conditioned Yarns and Cords 19
Elongation at Break of Oven-Dried Rayon Yarns and Cords 25
Elongation of Rayon Yarns and Cords at a Specified Moisture Regain 20
Level, Adjustment of Observed
Extractable Matter in Yarns and Cords 32
Force at Specified Elongation (FASE) of Conditioned Yarns and 21
Cords
Force at Specified Elongation (FASE) of Oven-Dried Rayon Yarns and 26
Cords
Growth of Conditioned Yarns and Cords X1
Identification of Fibers 8
Keywords 40
1
These test methods are under the jurisdiction ofASTM Committee D13 on Textiles and are the direct responsibility of Subcommittee D13.19 on Tire Cord and Fabrics
.
Current edition approved JuneJuly 1, 2006.2007. Published July 2006.2007. Originally approved in 1946. Last previous edition approved in 20042006 as
D885–04.D 885 – 06
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.
1
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e1
D885–07
Linear Density 11
Mass of per Unit Area of Tire Cord Fabric 36
Modulus of Conditioned Yarns and Cords 22
Moisture Regain, Actual 10
Precision and Bias of Certain Yarn and Cord Tests 39
35 to
Properties of Tire Cord Fabric 38
Sampling 6
Shrinkage Force of Conditioned Yarns and Cords at Elevated Temper-
ature X2.5
Shrinkage of Conditioned Yarns and Cords at Elevated Temperature X2.4
Significance and Use, General 5
Significance and Use, Tensile Properties 14
SI Calculations (examples for work-to-break, specific work-to-break,
and breaking toughness) X4
Stiffness of Fabric 38
12 to
Tensile Properties of Yarns and Cords 28
Terminology 3
Thickness of Cords 31
Twist in Yarns and Cords 30
Width of Tire Cord Fabric 35
Work-to-Break of Yarns and Cords 2
...
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