ASTM-D5446 Standard Practice for Determining Physical Properties of Fabrics, Yarns, and Sewing Thread Used in Inflatable Restraints

ASTM-D5446 - 2008 R13 EDITION - CURRENT
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Standard Practice for Determining Physical Properties of Fabrics, Yarns, and Sewing Thread Used in Inflatable Restraints
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Scope

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 D5446 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.

Yarn

Section

 

Denier (Yarn Number)

9.3.1 

 

Fiber Content

9.3.2 

 

Finish (Extractable Material)

9.3.3 

 

Strength and Elongation

9.3.4 

 

Twist

9.3.5 

Fabric

 

 

Air Permeability

9.3.6 

 

Abrasion Resistance

9.3.7 

 

Blocking

9.3.8 

 

Bow and Skew

9.3.9 

 

Breaking Force & Elongation

9.3.10

 

Burst Strength

9.3.11

 

Coating Adhesion

9.3.12

 

Coating Weight

9.3.13

 

Count of Woven Fabric

9.3.14

 

Dynamic Air Permeability

9.3.28

 

Edgecomb Resistance

9.3.29

 

Flammability

9.3.15

 

Fogging (Volatility)

9.3.16

 

Length

9.3.17

 

Mass per Unit Area

9.3.18

 

Non-Fibrous Material

9.3.19

 

Odor

9.3.20

 

Packability

9.3.30

 

pH

9.3.21

 

Stiffness

9.3.22

 

Tear Strength

9.3.23

 

Thickness

9.3.24

 

Warp Size Content & Residual Sizing

9.3.25

 

Width

9.3.26

 

Sewing Thread

9.3.27 


1.5 This practice may be used in conjunction with Practice D5427 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.

Keywords

airbag; fabric physical testing; inflatable restraint; physical properties ; one piece woven; ICS Number Code 43.040.60 (Bodies and body components); 59.080.30 (Textile fabrics)

To find similar documents by ASTM Volume:

07.02 (Textiles (II): D4393 - latest)

To find similar documents by classification:

43.040.60 (Bodies and body components Including vehicle frame and structure, heating devices, air-conditioning systems for passenger/driver compartments, roof load carriers, etc. Loading compartments, see 43.080.10)

59.080.30 (Textile fabrics Including nonwovens, felts, lace, etc.)

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Document Number

ASTM-D5446-08(2013)

Revision Level

2008 R13 EDITION

Status

Current

Modification Type

Reapproval

Publication Date

Sept. 1, 2013

Document Type

Practice

Page Count

5 pages

Committee Number

D13.20