This is a guest post by Harry Mercer. His brief bio is given below the post. Dyeing of denim yarns and fabrics with sulfur black can present a number of problems that affect fabric profit margins as well as the quality and performance of black jeans. Problems include : Dye waste (normally 50% or more in washing after dyeing Color variation after garment laundering Lower weaving efficiencies with black yarns Contact dermatitis etc. All of these problems were solved in the past, unfortunately ...Read More

Tags: Denim Dyeing