Indigo Dyed Cotton Yarn
This cloth was dyed blue with Chinese indigo.
A rapid, accurate spectrophotometric method of determining the amounts of indigo on dyed yarns and fabrics was presented.
Technological Process: Wax painting, dyeing: dyed 5–9 times in plant indigo, there are many kinds of dyestuffs in different places.
工艺流程：画蜡、浸染：用植物靛蓝浸染5 – 9次，各地有几十种浸染配方。
Indigo Dyed Cotton Yarn 棉纱染料靛青
indigo dyed 靛蓝
indigo-dyed yarn 靛蓝纱线
indigo dyed denim 靛蓝牛仔布
indigo dyed fabrics 靛蓝染色织物
Indigo dyed cotton yarns 靛蓝染色棉纱线