1. Natural and Manufactured Fibers Obj. 2.01

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

3. 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.

4. 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.

5. 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.

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

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

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

9. Protein Fibers
Wool
Silk
Come from ____________sources

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

11. 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.

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

13. 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

14. 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 __________

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

16. 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