Blog

Polyester fabric can develop dye streaks and barre marks due to yarn variation, knitting tension, dye affinity and processing differences. Learn how to identify these defects and reduce them before garment production.

Why does white powder sometimes appear on black polyester fabric after dyeing? One possible cause is oligomer migration, a lesser-known textile processing issue involving low-molecular-weight polyester compounds. Learn how oligomer deposits form, why they accumulate on fabrics and dyeing machines, and how manufacturers can reduce contamination.