ASTM D6479 Edgecomb Resistance of Woven Fabrics Used in Inflatable Restraints Test Machine

.1 A measurement of a fabric’s edgecomb resistance indicates the relative tendency of a fabric to pull apart under seam stress or similar action. The related concepts of yarn slippage and seam slippage are limited to sewn seams, whereas the measurement of edgecomb resistance is made at the edge of a cut part in the absence of a sewn seam. The absence of a sewn seam in this test method eliminates the effect that a particular stitch might have on the tendency of a yarn to slip near an edge of a cut part

5.2 This test method is useful for material design evaluations in such applications as airbags in which seam stress is a major concern.

5.3 This method may be used as a complement to Test Method D5822.

D5035 Test Method for Breaking Force and Elongation of Textile Fabrics (Strip Method)

D5822 Test Method for Determining Seam Strength in Inflatable Restraint Cushions

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