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Founded by Sandeep Agarwal – who has been associated with denim since 1993- the website brings out the best in denim world – trends, analysis, reports on almost a daily basis for the service of the denim industry worldwide. The reports provided by Denimsandjeans.com over the last few years have been found quite useful by the industry players – designers, sourcing guys, mills, buyers etc.
Tag: Indigo Dyeing
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Natural indigo – though costlier and more difficult to dye than the synthetic indigo – brings out different aesthetics (better for many) than the synthetic indigo. And when it is applied on hand spun yarn and then handwoven , the products become completely natural and bring out the cultural heritage to the fore. This is…
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This is a technical article by Harry Mercer on the process of Shade control in Indigo dyeing. This is the third in the series. The first and second part of this article were published before . Standard Illuminants As stated earlier in this series, colour starts with a light source or illuminant. Illuminants have been…
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This is a technical article by Harry Mercer on the process of Shade control in Indigo dyeing. The first part of this article can be found here While it cannot be disputed that, ultimately, how the individual consumer values color with their human subjectivity is the true test of coloration, in large-scale manufacturing of fabric…
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This is a technical article by Harry Mercer on Indigo dyeing. It is the fourth and the last part of the article in series. The first part can be seen by clicking here and the second one here and the third one here Part 4 of 4: Denim Dyeing Done Right Indigo dye is unique…
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This is a technical post by Harry Mercer on Indigo dyeing. It is the third part of the article in series. The first part can be seen by clicking here and the second one here Part 3 of 4: Monitoring of the Indigo Dye baths As discussed in Part 2 of this series, most of…
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This is a guest post by Harry Mercer on Indigo dyeing. It is second part of the article in series. The first part can be seen by clicking here Preparation For Dyeing In the previous article, the basic machine factors in Indigo dyeing were discussed. There are many other details required to achieve the highest…
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This is a guest post by Harry Mercer. It tells about the best practices in Sulphur dyeing for fashion denim and was a part of the presentation made at Dhaka by him on a seminar on Sulphur Dyes by Fenazol The Nature of Sulfur Dyes Sulfur dyes are a form of vat dyes – they…
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Bluconnection – an innovative indigo dye manufacturing company from Singapore has compiled a comprehensive compendium about the history , chemistry and application of Indigo dyes. We are producing some extracts from this compendium . Also show is the complete presentation in a slideshow under the article and it can also be obtained in PDF form…
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This is a guest post by Harry Mercer Until 1915, most Indigo dyeing was conducted in skein machines for cotton or loose fiber dyeing for wool. Skein dyeing of Indigo is still the best method for dyeing Indigo on very fine yarns for the delicate high-fashion fabrics. In 1915, the first rope dyeing machine appeared…
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This is a guest post by Harry Mercer. This is a very technical description – read on if you are technically oriented.. Here are given some important dyeing processes related to indigo dyeing – specially on Rope Dyeing . Pre Treatment Pre-treatment is conducted in the 1st tank. The most common pre-treatments are : 1. …
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The name “Loopdye” results from the method of skying or air passage for oxidizing the Indigo-dyed yarn and the method of passing through the Indigo dye. On the other 2 important Indigo machine types, the dyed yarn is passed through from 6-8 Indigo boxes on rope machines or 6-20 Indigo boxes on slasher (sheet) Indigo…
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CSV is a serious problem that occurs on the great majority of Indigo dyeing equipment in which yarns dyed on one side of the machine are a different shade from the yarns on the opposite side. This problem is so common that it is generally accepted as unavoidable, especially in sheet ranges. Basically, the…