Mercerising Specification Targets for Buyers
Setting Mercerising correctly on a tech pack prevents most later disputes. Targets belong on the page before the first fabric sample.
Where to write it
Place Mercerising next to composition and weight so all three are quoted as one package. Working figures for Mercerising normally sit around mainly cotton fabrics in mainstream production. Note mill process control on the tech pack so nobody tests against an older revision.
Reference level
Typical activewear expectation: mainly cotton fabrics. Record elastane content alongside Mercerising, because blends shift the measured value. A result outside mainly cotton fabrics usually points to process drift rather than to the fibre itself.

Tolerances that work
Allow a small tolerance rather than a fixed number, since normal process variation exists in every lot. Keeping reference values for Mercerising lets suppliers quote without extra sampling rounds. Ask for conditioning details together with mill process control, since both affect the reading.
Verification method
Confirm with mill process control and keep the report against the bulk record. Working figures for Mercerising normally sit around mainly cotton fabrics in mainstream production. Note mill process control on the tech pack so nobody tests against an older revision.
Commercial note
Tightening beyond practical need raises cost without improving garment life, so set the tightest target only where it protects the customer. Record elastane content alongside Mercerising, because blends shift the measured value. A result outside mainly cotton fabrics usually points to process drift rather than to the fibre itself.