This is a guest post by Harry Mercer where he shares some ideas on denim product developments. 1) More Softness In Fabrics Made With Open-End Yarn: Ring spun yarns are preferred in denim because of a feel that is more soft than open-end. The softness of open-end denim can be raised to the level of ring yarns in the warp by reducing the twist. For example, in a 14 ounce denim, the warp yarns are often a 7 Ne with about 470 turns per meter in the open end yarn. This can be reduced to about 415 ...Read More

“Sustainability” in textiles refers to methods employed in the production of fabrics that are more environmentally friendly. “Sustain” means “to uphold” or “maintain”, which in regard to manufacturing calls for establishing practices which maintain a balance in nature. A sustainable fabric is one that is produced in such a way that reduces the effect on the environment including recycling of water and raw materials, heat recovery from waste water and steam generation and ...Read More

Tags: Denim Dyeing

A seminar on denim  titled “Improved Denim Manufacturing” will be held in the city of  Leon, MEXICO on November 13th and 14th (2012)  It will be a two day seminar where various aspects , particularly technical aspects, of denim fabric and jeans manufacturing will be discussed . Some of the topics to be discussed are: From Fiber to jeans Sulphur Dyeing and Indigo Dyeing. Denim Finishing Solving problems in Jeans Manufacturing. Denim for the 21st century Fabric Management for ...Read More

As mentioned before , we are starting the denim production education series of articles. The content for these articles on various stages of denim production has been kindly provided by Denim Academy of Orta Anadolu – the premium denim mill from Turkey.  The first article concentrates on the Yarn production process upto the formation of Rope – ready for dyeing. Preparation Yarn spinning starts with the transfer of the cotton bales from warehouse chosen by a special software to ...Read More

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 among textile dyes with the unusual color and appearance that it imparts to any fabric, and is along with the extreme comfort of 100% cotton denim is the source of denim’s enduring appeal. Attempts to replicate the Indigo ...Read More

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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 the control of Indigo dyeing must be managed before the dye and chemicals reach the dye boxes in the machine. In order to measure the effectiveness of control measures of the dye and chemical mixes, it is necessary to measure ...Read More

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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 quality Indigo dyeings , but ultimately the most important factors involve the preparation of Indigo and chemical feeds to the machine. Approximately 80% of Indigo dyeing control ...Read More

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This is a highly technical article on Indigo dyeing by Harry Mercer. Read on if you are technically oriented.. This is the first of a series of 4 articles addressing the problems and potential of Indigo dyeing. The Indigo color is the principal source of the almost magical appeal of denim. The dyeing process is unique among all methods of commercial dyeing, with the unusual design that is necessary for cotton dyeing with Indigo. Indigo has been used for thousands of years, principally on wool ...Read More

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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 are water-insoluble and in order to apply to fibers must be made water-soluble through the process of reduction.  Reduction is a chemical process in which hydrogen is liberated. The hydrogen ...Read More

Tags: Indigo Dyeing

Want to learn more about how to resolve everyday stitch and seam  quality problems with denim?  If you do , a free workshop by American and Efird  will give you useful knowledge on how to overcome the most typical seaming problems. A&E develops the content and creates these programs as a special means to help companies  increase productivity.  Topics covered include: Review of common stitches used in denim and why each is used.  Detailed overview of 5 ...Read More

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