SWICOFIL - Yarn and fiber expert.

Casein / Milk


Important information:
Supply of casein / milk fibers and yarns is currently strongly restricted globally. We expect the lead times to normalize earliest in the beginning of 2021.

We try however everything in our power to accelerate things and to ensure a quick fix of these circumstances so that we will be able to supply you with casein fibers and yarns earliest possible. In the meantime, please contact us for possible replacements such as soybean fiber or other.

We sincerely apologize for these circumstances and thank you for your comprehension.



All through the years, experts have been devoted to theresearches on improved fibers and at present they have succeeded in the development of the globally advanced milk protein fiber, a milestone in the international textile industry. Up to now, this kind of fiber was only produced in Japan.

The emergence of milk protein fiber updates the traditional definition of animal protein fiber. Being the optimal combination of nature and hi-tech, it is more accommodated to the needs of people’s modern lifestyle. 


Milk protein fiber is dewatered and skimmed milk which is manufactured into the protein spinning fluid suitable for wet spinning process by means of new bio-engineering technique. 


Milk protein fiber is healthy for skin, comfortable, with bright colors due to good dye ability, etc. The milk protein fiber can be spun purely or spun with cashmere, silk, spun silk, cotton, wool, ramie and other fibers to weave fabrics with the features of milk protein fiber. It can also be used to create top-grade underwear, shirts, T shirts, loungewear, etc. to satisfy people’s pursuit of comfortable, healthy, superior and fashionable garments.

The milk protein fiber is a fresh product as a superior green, healthy and comfortable fiber, which will certainly become popular goods in the market as new favorite of the textile trade.

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