Greasy or scoured merino wool
Raw sheep wool
Raw wool, raw leather, pickled leather
Nylon, polyester, polipropilene, wool, acrylic yarn staple fibers
natural and synthetic fibers such as polyester yarn waste (poy/dty) with high tenacity, acrylic by products (tow waste white / black), carpet thread waste (+70% wool), wool mixture salvages (+70% wool)
Textile yarn like polyester, cotton and viscose yarn, woolen yarn