Roll-to-Roll Consistency Why Shipments Get Rejected Over This
Many disputes come down to Roll-to-Roll Consistency. Below is what inspectors check and why shipments fail.
The core definition
variation between rolls in one lot. Working figures for Roll-to-Roll Consistency normally sit around same lot should match within tolerance in mainstream production. Note shade continuity inspection on the tech pack so nobody tests against an older revision.
Most common cause of failure
Results usually fall outside same lot should match within tolerance because the target was never written into the order. Record elastane content alongside Roll-to-Roll Consistency, because blends shift the measured value. A result outside same lot should match within tolerance usually points to process drift rather than to the fibre itself.

How it is checked
Inspection and laboratory work both refer to shade continuity inspection. Keeping reference values for Roll-to-Roll Consistency lets suppliers quote without extra sampling rounds. Ask for conditioning details together with shade continuity inspection, since both affect the reading.
Related faults
differences between rolls cause garment panel mismatching, so related complaints often point back to this single parameter. Working figures for Roll-to-Roll Consistency normally sit around same lot should match within tolerance in mainstream production. Note shade continuity inspection 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 Roll-to-Roll Consistency, because blends shift the measured value. A result outside same lot should match within tolerance usually points to process drift rather than to the fibre itself.