Nonwoven felt is a fabric made in a process that involves fibers of wool or fur being subjected to moisture, heat, friction and pressure. The minute natural scales on the fibers cause them to tangle and mat while the heat and moisture shrink and thicken the fibers to form a dense fabric. Felting is the name of this process. Wool felt is probably the oldest fabric known to man, referenced in ancient writings and found in Bronze Age tombs.
Fine felts may use rabbit fur fibers, while the finest use beaver fur fibers. These fine felts are known for their use in hat making.
The fabric called felt which is currently widely available for crafting is actually an imitation; usually made of acrylic fibers and adhesives, no natural fibers are present. Other felts available are made of part wool. Half of the fibers must be natural for the fabric to felt.
Uses: Hats, bags, slippers, padding, crafts, and a wide range of household and industrial applications