Lanital Lanital Lanital®(fibra sintetica usata durante il periodo fascista dell'autarchia) Lanitel fibras de Caseína lanital lanital lanitel lanitel lanitel lanitel caseïne lanitel melkwol milk fiber Trademark for casein fibre developed in Italy in 1935 (Wikidata). Milk fiber or milk wool is a regenerated protein fiber based on the casein protein found in milk. There are several trade names for milk-casein-based fibers, including Lanital, Fibrolane and Aralac (Wikipedia).