ASTM D885-02a
(Test Method)Standard Test Methods for Tire Cords, Tire Cord Fabrics, and Industrial Filament Yarns Made from Man-Made Organic-Base Fibers
Standard Test Methods for Tire Cords, Tire Cord Fabrics, and Industrial Filament Yarns Made from Man-Made Organic-Base Fibers
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, rayon, and aramid 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 Specified Elongation (FASE) of Oven-Dried Rayon Yarns andCords26Growth of Conditioned Yarns and CordsX1Identification of Fibers8Keywords40Linear Density11Mass of per Unit Area of Tire Cord Fabric36Modulus of Conditioned Yarns and Cords22Moisture Regain, Actual10Precision and Bias of Certain Yarn and Cord Tests39 35 toProperties of Tire Cord Fabric38Sampling6Shrinkage Force of Conditioned Yarns and Cords at Elevated TemperatureX2.5Shrinkage of Conditioned Yarns and Cords at Elevated TemperatureX2.4Significance and Use, General5Significance and Use, Tensile Properties14SI Calculations (examples for work-to-break, specific work-to-break,and breaking toughness)X4Stiffness of Fabric38 12 to Tensile Properties of Yarns and Cords28Terminology3Thickness of Cords31Twist in Yarns and Cords30Width of Tire Cord Fabric35Work-to-Break of Yarns and Cords27
1.5 These test methods show the values in both SI and inch-pound units. SI units is the technically correct name for the system of metric units known as the International System of Units. Inch-pound units is the technically correct name for the customary units used in the United States. The values stated in either acceptable metric units or other units shall be regarded separately as standard. The values expressed in each system may not be exact equivalents; therefore, each system must be used independently of each other, without combining values in any way.
1.6 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the ...
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Designation: D 885 – 02a
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 (e) indicates an editorial change since the last revision or reapproval.
1. Scope
Breaking Tenacity of Oven-Dried Rayon Yarns and Cords 24
Breaking Toughness of Yarns and Cords 28
1.1 These test methods cover the testing of industrial
Commercial Mass 9
filament yarns made wholly of manufactured organic-base Conditioning 7
Contraction of Wet Yarns and Cords X3
fibers, cords twisted from such yarns, fabrics woven from such
Count of Tire Cord Fabric 37
cords, and products that are made specifically for use in the
Dip (Adhesive) Solids Pickup on Yarns and Cords 33
manufacture of pneumatic tires. They may be applied to similar
Elongation at Break of Conditioned Yarns and Cords 19
Elongation at Break of Oven-Dried Rayon Yarns and Cords 25
yarns and cords used for reinforcing other rubber goods and for
Elongation of Rayon Yarns and Cords at a Specified Moisture Regain 20
other industrial applications. The test methods apply to nylon,
Level, Adjustment of Observed
polyester, rayon, and aramid yarns and tire cords twisted from
Extractable Matter in Yarns and Cords 32
Force at Specified Elongation (FASE) of Conditioned Yarns and 21
such yarns and to fabrics made from such cords. The yarn or
Cords
cord may be wound on cones, tubes, bobbins, spools, or beams;
Force at Specified Elongation (FASE) of Oven-Dried Rayon Yarns and 26
may be woven into fabric; or may be in some other form. The Cords
Growth of Conditioned Yarns and Cords X1
methods include testing procedure only and include no speci-
Identification of Fibers 8
fications or tolerances.
Keywords 40
1.2 No procedure is included for the determination of Linear Density 11
Mass of per Unit Area of Tire Cord Fabric 36
fatigue resistance of cord, but several commonly used proce-
Modulus of Conditioned Yarns and Cords 22
dures for the measurement of fatigue resistance of cords in
Moisture Regain, Actual 10
Precision and Bias of Certain Yarn and Cord Tests 39
rubber were published in the appendix of these test methods in
35 to
the 1967 Annual Book of ASTM Standards, Part 24, and in
Properties of Tire Cord Fabric 38
earlier issues of Test Methods D 885.
Sampling 6
1.3 The sections on “Growth of Conditioned Yarns and Shrinkage Force of Conditioned Yarns and Cords at Elevated Temper-
ature X2.5
Cords,” “Properties of Yarns and Cords at Elevated Tempera-
Shrinkage of Conditioned Yarns and Cords at Elevated Temperature X2.4
ture,” and “Properties of Wet Yarns and Cords” have been
Significance and Use, General 5
Significance and Use, Tensile Properties 14
moved to Appendix X1-Appendix X3 as non-mandatory infor-
SI Calculations (examples for work-to-break, specific work-to-break,
mational items because of their very limited use by the industry
and breaking toughness) X4
and because precision and bias statements are not included.
Stiffness of Fabric 38
12 to
1.4 This standard includes the following sections:
Tensile Properties of Yarns and Cords 28
Section
Terminology 3
Adhesion of Cord to Elastomers 34
Thickness of Cords 31
Bibliography of Tire Cord Test Methods X5
Twist in Yarns and Cords 30
Breaking Strength (Force) of Yarns and Cords at Elevated Tempera- X2.3
Width of Tire Cord Fabric 35
ture
Work-to-Break of Yarns and Cords 27
Breaking Strength (Force) of Conditioned Yarns and Cords 16
Breaking Strength (Force) of Oven-Dried Rayon Yarns and Cords 23
1.5 These test methods show the values in both SI and
Breaking Strength (Force) of Rayon Yarns and Cords at Specified 17
inch-pound units. SI units is the technically correct name for
Moisture Regain Level, Adjustment of
Breaking Tenacity of Conditioned Yarns and Cords 18 the system of metric units known as the International System of
Units. Inch-pound units is the technically correct name for the
customary units used in the United States. The values stated in
1
These test methods are under the jurisdiction of ASTM Committee D13 on either acceptable metric units or other units shall be regarded
Textiles and are the direct responsibility of Subcommittee D13.19 on Tire Cord and
separately as standard. The values expressed in each system
Fabrics.
Current edition approved Nov. 10, 2002. Published February 2003. Originally
approved in 1946. Last previous edition approved in 2002 as D 885 – 02.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.
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