Tearfil chooses Sorona for sustainable performance staple yarn Tearfil is committed to creating smarter, cleaner and more sustainable yarns, and choosing Sorona was a natural solution for the spinning mill. 11th December 2020 DuPont Sorona and the Portuguese spinning mill Tearfil have announced a collaboration to develop sustainable and high-performing staple yarns for the apparel industry. Tearfil says it is committed to creating smarter, cleaner and more sustainable yarns, and choosing Sorona was a natural solution for the spinning mill. “We believe collaboration is the key ingredient to creating the best products. We recognize that our magic is only possible thanks to our trusted fibre and technology partners. Sustainability or performance - why not have it all? Through working with the Sorona team, we prove how future-oriented high-performance textiles can also be eco-friendly and eco-conscious,” said Maria de Belém Machado, CEO at Tearfil.