ASTM-D885 Standard Test Methods for Tire Cords, Tire Cord Fabrics, and Industrial Filament Yarns Made from Manufactured Organic-Base Fibers (Withdrawn 2023)

ASTM-D885 - 2010A R14(E1) EDITION - CANCELLED
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Standard Test Methods for Tire Cords, Tire Cord Fabrics, and Industrial Filament Yarns Made from Manufactured Organic-Base Fibers (Withdrawn 2023)

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 D885.

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-
 ture

X2.3

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
 Moisture Regain Level, Adjustment of

17

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
 Level, Adjustment of Observed

20

Extractable Matter in Yarns and Cords

32

Force at Specified Elongation (FASE) of Conditioned Yarns and
 Cords

21

Force at Specified Elongation (FASE) of Oven-Dried Rayon Yarns and
 Cords

26

Growth of Conditioned Yarns and Cords

X1

Identification of Fibers

8

Keywords

40

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

27

1.5 The values stated in either SI units or inch-pound units are to be regarded separately as standard. The values stated in each system may not be exact equivalents; therefore, each system shall be used independently of the other. Combining values from the two systems may result in non-conformance with the standard.

1.6 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.

Significance and Use

5.1 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.

5.2 The significance and use of particular properties are discussed in the appropriate sections of specific test methods.

Keywords

commercial mass; dip pickup; industrial yarn; linear density; manufactured fibers; moisture regain; shrinkage; tensile properties/tests; tire cord; tire fabric; twist

To find similar documents by ASTM Volume:

07.01 (Textiles (I): D76 - D4391)

To find similar documents by classification:

83.160.01 (Tyres in general)

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Document Number

ASTM-D885/D885M-10A(2014)e1

Revision Level

2010A R14(E1) EDITION

Status

Cancelled

Modification Type

Withdrawn

Publication Date

Oct. 1, 2014

Document Type

Test Method

Page Count

31 pages

Committee Number

D13.19