Vat Dyeing Process: Properties & Mechanism

Vat Dyeing Process Properties & Mechanism

What is Vat Dyeing? Vat dye: ‘Vat’ means Vessel. Vat dyes are naturally obtained coloring matter from ancient times, kept in a wooden vat, and made solubilized in vat by the process of fermentation, which is called vat dye.   Properties …

Read More

Shrinkage Rate Tester Manual

SOP of Shrinkage Rate Tester Machine (Washing and Drying Chamber Machines)

Ever wondered how clothing manufacturers ensure that that adorable new shirt you just bought won’t shrink dramatically after the first wash? The secret lies in a nifty device called a shrinkage rate tester. But how exactly does this machine work …

Read More

Cotton dyeing with sulfur black dye

Cotton dyeing with sulfur black dye

Defectively dyed apparel is made into one or more batches to dye with sulfur black dyes. Process of Cotton dyeing: Cotton sweater dyeing with pigment: 1. Pretreatment (Bleaching, scouring) L :R = 1 : 25Detergent (Filose) @ 0.5 g/LSoda ash …

Read More