Norm

ASTM D5446 - 08 en

Standard Practice for Determining Physical Properties of Fabrics, Yarns, and Sewing Thread Used in Inflatable Restraints

  • Deze norm is ingetrokken sinds 01-07-2013

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Over deze norm

Status Ingetrokken
Aantal pagina's 5
Gepubliceerd op 01-07-2008
Taal Engels

1.1 This practice is a listing of the test methods commonly employed in determining the physical properties of fabrics and yarns used in the manufacture of inflatable restraints.

1.2 Fabrics used in the manufacture of inflatable restraints may be coated or uncoated, and may be comprised of spun yarns, continuous filament yarns, or a combination thereof.

1.3 Fabrics used in the manufacturer of inflatable restraints may be either flat or one piece woven. For the one-piece woven, follow the sampling section of D 5446 and the individual test method.

1.4 In Section 9, this practice lists is alphabetical order the procedures associated with conducting physical testing of the following fabric or yarn properties of concern to the design and manufacture of inflatable restraints.

YarnSection
Denier (Yarn Number)9.3.1
Fiber Content9.3.2
Finish (Extractable Material)9.3.3
Strength and Elongation9.3.4
Twist9.3.5
Fabric
Air Permeability9.3.6
Abrasion Resistance9.3.7
Blocking9.3.8
Bow and Skew9.3.9
Breaking Force & Elongation9.3.10
Burst Strength9.3.11
Coating Adhesion9.3.12
Coating Weight9.3.13
Count of Woven Fabric9.3.14
Dynamic Air Permeability9.3.28
Edgecomb Resistance9.3.29
Flammability9.3.15
Fogging (Volatility)9.3.16
Length9.3.17
Mass per Unit Area9.3.18
Non-Fibrous Material9.3.19
Odor9.3.20
Packability9.3.30
pH9.3.21
Stiffness9.3.22
Tear Strength9.3.23
Thickness9.3.24
Warp Size Content & Residual Sizing9.3.25
Width9.3.26
Sewing Thread9.3.27

1.5 This practice may be used in conjunction with Practice D 5427 which prescribes standard practices for the accelerated aging of inflatable restraint fabrics when comparative results of physical properties before and after accelerated aging are required.

1.6 Procedures and apparatus other than those stated in this practice may be used by agreement of purchaser and supplier with the specific deviations from the standard practice acknowledged in the report.

1.7 The values stated in either SI units or inch-pound units are to be regarded separately as standard. The values stated in each system are not exact equivalents; therefore, each system must be used independent of the other.

1.8 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. See Note 3.

Details

ICS-code 43.040.60
Engelse titel Standard Practice for Determining Physical Properties of Fabrics, Yarns, and Sewing Thread Used in Inflatable Restraints
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