Contract Textile Terms Glossary

N nap: The soft downy surface of a cloth created when part of the fibers are raised by a brushing technique called napping. natural fiber: Any fiber that comes from animal, vegetable, or mineral sources. needle-punched: The process of passing a fabric through a series of needles that penetrate the fabric to fill in the gaps by entangling the fibers. NFPA 260: Refers to the National Fire Protection Association standard test method and a related classification system for cigarette ignition resistance of components of upholstered furniture. NFPA 701: Refers to the National Fire Protection Association test methods for small-scale (curtain and drapery fabrics weighing under 21 oz. per square yard) and large-scale (drapery fabrics over 21 oz. per square yard) vertical flame tests. nonwoven: Textiles constructed by interlocking or fusing fibers using adhesives, pressure or heat. novelty yarn: A yarn with special color effects such as space-dyed yarn, or textural effects such as nubs, slubs, or built in irregularities. nub: A slub, bump, or lump in a novelty yarn or an irregularity in a straight yarn. nylon: A manufactured fiber also known as polyamide. Nylon is known for excellent strength, elasticity, and abrasion resistance.