Natural and Manufactured Fibers Obj. 2.01

Fiber Characteristics Knowledge of fiber ______________ will help you select the fiber most appropriate for its end use.

Fiber Characteristics _______ ________- is a worn spot that can develop when fibers rub against something. (Pilling- tiny balls of fiber on the fabric.) Absorbency-ability to take in _________. ______________- refers to how long you will be able to wear or use a particular garment or item.

Fiber Characteristics Elasticity- Is the ability to __________in length when under tension (elongation) and then return to the original length when ____________ (recovery). Hand- Is the way a fiber, yarn, or fabric _________when handled.

Fiber Characteristics Resiliency- able to spring or __________ back into shape after crushing or wrinkling. __________- ability to withstand tension or pulling. Warmth – ability of a _________ to maintain body heat of wearer ____________ - ability to draw moisture away from the body so the moisture can evaporate.

Natural Fibers ______________- plant derived Cotton Flax- (Linen)

Cotton Soft, ________, and comfortable. ____________ easily. Absorbs perspiration quickly. _________ and durable. Inexpensive Does not _______ Blends well

Flax Commonly called Linen Comes from the ________plant. ________ fiber. Cool and __________. Wrinkles _______. Strong, durable and lustrous.

Protein Fibers Wool Silk Come from ____________sources

Wool Hard wearing and ________moisture. ________insulator. Does not _______ easily. Traps odors. Flame resistant

Silk _________ and very comfortable. Absorbs moisture. Cool to wear in the _________yet warm to wear in winter. Can be easily _________. Retains its shape and is relatively smooth. ________resistance to sunlight exposure. Strongest natural fiber and is lustrous.

Manufactured Fibers Can be made into _______ or filament fibers. _________ well with other fibers

Types Cellulosic Fibers Made from ___________ – the fibrous substance in plant life Noncellulosic Fibers Made by combining ___________of nitrogen, oxygen, hydrogen, and carbon Also known as ____________ Fibers

Manufacturing Process 1. The solid raw material is changed to a __________ 2. The liquid is __________through a spinneret 3. It hardens in the form of a __________

Kinds of Manufactured Fibers Rayon- 1st MF fiber _______ Acetate- ________ Nylon- 1939 Olefin- ________ Polyester-1953 Spandex- ________ Lyocell- 1992

Specialty Fibers Specialty fibers are _________fibers. They are rarely found alone 100% in a garment. They are _______with other fibers due to their limited availability and expense. Angora Cashmere Mohair