Kelheim Fibres has developed a new viscose fiber named Umberto. By tuning a multitude of parameters during the spinning process, Kelheim has created a fiber with varying letter-shaped cross section. First tests have shown the benefits of Umberto for…
The R&D team of the Bavarian viscose specialities manufacturer Kelheim Fibres has developed a new viscose fiber named Umberto. By tuning a multitude of parameters during the spinning process, Kelheim’s R&D has created a fiber with varyi…