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13.02.2017
T-Shirt

T-Shirt

 
DATA & FACTS 

Sector:
Textile

Renewable resource:
Coffee
                    
Participating companies:
Singtex among others

Bio economy factor:
Utilisation of coffee remains

Status:
ready for the market

What is inside?
T-Shirt
Copyright: 
iStock: gemencacom/Fotolia: rdnzl
Kaffee

When brewing coffee, less than ten percent of the coffee bean’s aroma is released. The rest ends up in the compost bin. These coffee grounds, however, are an ideal raw material for the production of sustainable textiles.

T-shirts from coffee grounds

From espresso to functional clothing: the Taiwanese company Singtex is a pioneer in using coffee grounds for the production of sustainable textile fibres. The biggest challenge in the production of its “S.Café” clothing range was the neutralisation of the coffee aroma. First, the coffee grounds are crushed into microscopic pieces and then mixed with polyester fibres. Hugo Boss, Nike and Vaude use these fibres to make sportswear and leisurewear.

An ideal raw material for sustainable textiles

At best, the average consumer will dispose of the remains of a brewed coffee in the compost bin. However, coffee remains have incredible properties. Coffee grounds absorb unpleasant odours, dry quickly and provide UV protection, which makes it an ideal resource in the development of sustainable textiles for professional and recreational athletes.

Ready for the market

The T-shirts are already available on the market. Clothes manufacturers like Hugo Boss, Nike or Vaude use the fibres for their products. A British professional football club in the Premier League now plays wearing kits made from these fibres.

Weak points:

Relatively high price /not cost-effective

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