ACCELERATED WEATHERING TESTS ON PROTEIN FIBERS
Protein-based textiles, such as wool and silk, possess special properties and they are ranked higher on the hierarchical scale than the cellulosic ones (e.g., cotton, linen, hemp), in terms of quality.Wool is composed of keratin as the main Animal Print Leather Belt protein component and silk consists of approx.80% fibroin and 20% sericin.The degra