Rib Knit Setting It Correctly on a Tech Pack
Rib Knit should be written into the tech pack with a value, a tolerance and a method. This removes ambiguity from quotations.
Definition to agree
structure with alternating face and reverse loops. Working figures for Rib Knit normally sit around 1x1, 2x2 common in mainstream production. Note rib machine on the tech pack so nobody tests against an older revision.
Target value
Open the specification at 1x1, 2x2 common, adjusted to the end use. Record elastane content alongside Rib Knit, because blends shift the measured value. A result outside 1x1, 2x2 common usually points to process drift rather than to the fibre itself.
Method line
Always pair the target with rib machine so the mill and the laboratory test the same way. Keeping reference values for Rib Knit lets suppliers quote without extra sampling rounds. Ask for conditioning details together with rib machine, since both affect the reading.
Tolerance line
State plus or minus limits to keep production realistic while protecting the requirement. Working figures for Rib Knit normally sit around 1x1, 2x2 common in mainstream production. Note rib machine 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 Rib Knit, because blends shift the measured value. A result outside 1x1, 2x2 common usually points to process drift rather than to the fibre itself.
