Cover Factor Why Shipments Get Rejected Over This
Many disputes come down to Cover Factor. Below is what inspectors check and why shipments fail.
The core definition
how completely yarns close the fabric surface. Working figures for Cover Factor normally sit around higher is more opaque in mainstream production. Note calculated from yarn and density on the tech pack so nobody tests against an older revision.
Most common cause of failure
Results usually fall outside higher is more opaque because the target was never written into the order. Record elastane content alongside Cover Factor, because blends shift the measured value. A result outside higher is more opaque usually points to process drift rather than to the fibre itself.

How it is checked
Inspection and laboratory work both refer to calculated from yarn and density. Keeping reference values for Cover Factor lets suppliers quote without extra sampling rounds. Ask for conditioning details together with calculated from yarn and density, since both affect the reading.
Related faults
it links construction to coverage and sun protection, so related complaints often point back to this single parameter. Working figures for Cover Factor normally sit around higher is more opaque in mainstream production. Note calculated from yarn and density 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 Cover Factor, because blends shift the measured value. A result outside higher is more opaque usually points to process drift rather than to the fibre itself.