![]() Contrarily, denim that is woven from yarn dyed with synthetic indigo has a more uniform colour, a red cast-at least when it is not mixed with sulfur-and it fades faster with higher contrast. Regarding visual differences, denim woven from yarn dyed with natural indigo has more colour variation, a distinctive green cast-which is the tone of the fabric-and it fades slowly. Denim mills which use natural indigo will be challenged with obtaining shade consistency and production feasibility, which drives up costs. The natural dyestuff contains impurities, and not even the best producers can guarantee the level of consistency that modern denim manufacturers demand. denim jeans, you need roughly 25 grams of indigo.Īn explanation for the big price difference is found in the method of dye extraction and production, which makes natural indigo much less colour-stable and thus even more costly to use. ![]() To get a better idea of what this means at the cost of an average pair of jeans, you need to multiply the price by the amount of indigo needed to dye the fabric blue. With different qualities and grades, prices may vary even more. ![]() The price of synthetic indigo usually varies between $1 to $5 per 100 grams whereas the price of natural indigo ranges from $20 to $40 per 100 grams. ![]() The most significant difference between the two is that synthetic indigo is a lot cheaper than natural indigo.
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