Core Treatment Core Dye 1:1 Colour uniformity with pronounced Hi Lo effect on seams and stitched rims High, CF Test: Pass Cellulosic blends: Only cotton part will have dyeing result, whereas the synthetic part will not be affected. Same result occurs to Melange fabric. Bluesign / ZDHC / GOTS / Oeko Tex Garment dyeing (see footnote in the below section: AGENDA)