American and Efird  brings out an interesting comparison between Corespun and Spun Threads to help understand the difference between the two better and the reason why corespun gives better results in denim sewing . What are Corespun Threads ? Corespun threads, sometimes referred “pcore” or “polycore” or “cottoncore”, are made by wrapping a staple polyester or cotton wrapper around a continuous filament bundle of polyester fibers during spinning, and then plying these ...Read More

Tags: denim sewing

  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 problem arises as a result of the uneven distribution of Indigo within the dye box:  The Indigo dye is initially mixed in a feed tank at concentrations of from 70-100 g/l. This ...Read More

Tags: Indigo Dyeing

  Morrison Textile Machinery is a global leader in textile processing machinery. They are particularly famous for its Rope Dyeing Machines for denim  fabrics and have installed over 200 machines worldwide. They have shared with us some information on the ‘Duties and Responsbilities of the Indigo Dye operators’ and this info would be useful for many of our readers(with technical background)  who come from various denim mills around the world. Here is the summary of the ...Read More

Tags: denim production

As we previously announced the launch of the jobs board at Denimsandjeans.com. I would like to inform about the latest additions to this board . It is now much more extensive and can be used by professionals around the world for searching for denim jobs . Denim jobs in USA This section is now very extensive and enables one to find denim jobs in various states/cities of USA including L.A, New York and many other places. Have a look at the picture below. The arrow shows the cities in US for ...Read More

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This is the second in the series of  technical bulletin and guide from American & Efird ( a global leader in denim sewing threads) for the benefit of denim garment manufacturers. In this technical guide it can be  understood how to sew extra heavy threads on denim to make the the products unique .Retail designers are always looking for a way to make their products unique and this definitely applies to sewing denim garments. From a thread perspective, this can include ...Read More

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                        This is a guest post by Harry Mercer The problem of treating wastewater from denim dye waste is significant in many developing countries. Either the costs of treating these wastes affects profit margins or the waste goes untreated and is discharged directly into rivers. The most serious pollution problem results from the use of sulfur dyes in denim. ...Read More

Tags: Environment, Guest Post, Indigo Dyeing

American & Efird (A&E) is a global leader in denim threads manufacturing. With over a century of experience in industrial threads , they come out with number of technical bulletins to help and guide denim garment manufacturers to optimize seam performance in denim stitching so that not only rejections due to stitching are minimized but also the life of the garment is extended with better stitching. Here are some recommendations from A & E to optimize seam performance. Denim Jeans ...Read More

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Jeanologia is  a company from Spain dedicated to providing eco friendly finishing solutions for  garments – specially denim.  With a corporate tagline of  “The Science of Finishing” it has been their mission for last 15 years to enhance industrial garment finishing through technology & know how. The concept of ‘Sustainable Denim’ – an eco friendly approach to denim is being enhanced by their various machines , the foremost of which is the G2 Waterless ...Read More

Tags: Denim Washing

Indigo has been in use as a blue colorant for thousands of years as a natural dye, which was produced from the Indigophera plant in India and China and with woad in Europe. Indigo cultivation was introduced in the Americas in the 18th century, first in the West Indies and then in South Carolina. Indigo has throughout history been the colorant most in demand and current production levels are reported to be around 17,000 tons per year. Indigo was employed as a blue dye for wool primarily, ...Read More

Tags: Indigo Dyeing

Pocketing material is used in most trousers including denim jeans. It comes in various qualities going from 100% cotton to nlyon and polyester pocketing.  Normally denim jeans use white, cream or similar lighter shades of different qualities of  pocketing fabrics . But what pocketing do you use if you are creating a vintage jeans and want your pocketing material to completely align with the looks of the jeans ? You want to show that your pocketing is as aged as your jeans ? Normal ...Read More

Tags: denim developments