Everything About Recycled Cotton

T-shirts on Hangers

     The Process To Turn Fabric Back into Fiber

The majority of recycled cotton is claimed through mechanical recycling. First, fabrics and materials are sorted by color. After sorting, the fabrics are run through a machine that shreds the fabric into yarn and further into raw fiber. This process is harsh and puts a great deal of strain on the fiber. It is not uncommon for fibers to break and entangle during shredding. The raw fiber is then spun back into yarns and then into recycled garments. The quality of recycled fiber will never have quality values equal to the original fiber. Specifically, fiber length and length uniformity will be impacted. Therefore cotton must be blended with other fibers like recycled Polyester to be made into new yarn for strength and durability.

Recycled Cotton generated from two primary sources:

1. Pre-Consumer - includes scraps created by yarn and by-products

2. Post-Consumer - includes garments,upholstery, towels, household items to be re-purposed

The largest volume of recycled cotton sources is produced through pre-consumer waste, such as cutting scraps. Post-consumer waste is more difficult to sort through due to various color shades, fabric blends, and it is generally a more labor-intensive process.

Cotton Plant

Benefits Of Recycled Cotton

  • Recycled cotton can find new life in many different low-grade products such as insulation, mop heads, rags and stuffing.

  • The process of recycling can divert many products from landfills. According to the Council for Textile Recycling, annual textile waste is estimated to equal 25 billion pounds.1

  • The amount of energy, water, and dye use is reduced from using a product that has already been processed. The savings are achieved through offsetting the production of new materials. Since recycled cotton yarns most commonly are sourced from pre -consumer textile scraps that are sorted by color, the yarns are already dyed.

  • The CO2 and fossil fuel emission savings can be partially offset by using existing materials. However, the collection, processing, and shipping of cotton scraps or clothing can reduce or neutralize some of these savings.

Challenges Of Recycled Cotton

  • Cotton must be blended with other fibers to be made into new yarn for strength and durability, and therefore cannot continuously be recycled.

  • The content of recycled cotton will depend on the end-use application. Any amount of recycled product will impact the yarn and fabric properties such as evenness, strength, and uniformity.

  • Recycled yarn cost is generally higher than standard, virgin cotton yarn costs, and could possibly be cost-prohibitive.

  • Testing instruments are made for ginned, virgin cotton. Sometimes, testing results can be skewed due to the difference in fiber packing and orientation.

  • The risk of contamination by other fibers is much higher for recycled cotton. Stitching, sewing thread, small amounts of spandex should all be taken into account when establishing the recycled supply chain.

Cotton Branch

Recycled cotton Process

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