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ASTM International, 05/15/2014
Publisher: ASTM
File Format: PDF
$49.00$98.00
Published:15/05/2014
Pages:31
File Size:1 file , 390 KB
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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
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