Mercerising Setting It Correctly on a Tech Pack
Mercerising should be written into the tech pack with a value, a tolerance and a method. This removes ambiguity from quotations.
Definition to agree
caustic treatment of cotton to add lustre. 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.
Target value
Open the specification at mainly cotton fabrics, adjusted to the end use. 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.
Method line
Always pair the target with mill process control so the mill and the laboratory test the same way. 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.
Tolerance line
State plus or minus limits to keep production realistic while protecting the requirement. 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.
Approval step
Approve the result on pre-production bulk rather than on development fabric only. 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.
