Two-Way Stretch Why Shipments Get Rejected Over This
Many disputes come down to Two-Way Stretch. Below is what inspectors check and why shipments fail.
The core definition
extension mainly across the width. Working figures for Two-Way Stretch normally sit around 20-40% typical in mainstream production. Note ASTM D6614 stretch woven test on the tech pack so nobody tests against an older revision.
Most common cause of failure
Results usually fall outside 20-40% typical because the target was never written into the order. Record elastane content alongside Two-Way Stretch, because blends shift the measured value. A result outside 20-40% typical usually points to process drift rather than to the fibre itself.
How it is checked
Inspection and laboratory work both refer to ASTM D6614 stretch woven test. Keeping reference values for Two-Way Stretch lets suppliers quote without extra sampling rounds. Ask for conditioning details together with ASTM D6614 stretch woven test, since both affect the reading.
Related faults
it suits wovens where length stability is needed, so related complaints often point back to this single parameter. Working figures for Two-Way Stretch normally sit around 20-40% typical in mainstream production. Note ASTM D6614 stretch woven test on the tech pack so nobody tests against an older revision.
Avoiding rejection
Agree targets, tolerances and the method before production, then test per lot rather than per shipment. Record elastane content alongside Two-Way Stretch, because blends shift the measured value. A result outside 20-40% typical usually points to process drift rather than to the fibre itself.
