Disperse Dyeing Frequently Asked Questions
Short answers to the questions buyers ask most often about Disperse Dyeing.
What does it mean?
dye class for polyester. Working figures for Disperse Dyeing normally sit around high temperature route at 130 degrees in mainstream production. Note HT jet dyeing machine on the tech pack so nobody tests against an older revision.
What value should be specified?
Start from high temperature route at 130 degrees and adjust for the end use of the garment. Record elastane content alongside Disperse Dyeing, because blends shift the measured value. A result outside high temperature route at 130 degrees usually points to process drift rather than to the fibre itself.
How is it tested?
HT jet dyeing machine. Keeping reference values for Disperse Dyeing lets suppliers quote without extra sampling rounds. Ask for conditioning details together with HT jet dyeing machine, since both affect the reading.
Why does it change between lots?
Process variables such as finishing temperature and elastane batch cause the normal spread of results. Working figures for Disperse Dyeing normally sit around high temperature route at 130 degrees in mainstream production. Note HT jet dyeing machine on the tech pack so nobody tests against an older revision.
Can results be compared across suppliers?
Only when the same standard revision and conditioning are used; otherwise measurements are not equivalent. Record elastane content alongside Disperse Dyeing, because blends shift the measured value. A result outside high temperature route at 130 degrees usually points to process drift rather than to the fibre itself.
