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17 Cards in this Set

  • Front
  • Back

Worsted yarns vs. Woolen yarns

Worsted: smooth, compact, sleek


Woolen: fluffy, soft, bulky, weak

The difference between:




Blend


Mixture


Combination

Blend: intimate mixture, think of a blender


Mixture: when the warp and weft have different yarn types


Combination: when the separate plies have different fiber types

Direct System measurements

Denier (weight of 9,000 meters)


Tex (weight of 1,000 meters)


Decitex (weight of 10,000 meters)


Length is defined, weight is the variable




SMALLER NUMBER = SMALLER YARN

Indirect System measurements

English counting system


Used for cotton, worsted, woolen


However many "hanks" it takes to make 1 lb


Weight is defined, length is the variable




SMALLER NUMBER = BIGGER YARN

Boucle yarn

Gimp yarn

Snarl/spike yarn

Spiral/corkscrew yarn

Slub yarn

Chenille Yarn

Ratine yarn

Flake/fleck/flock yarn

Most common types of texturizing?

1. False twist - twist inserted and heat set


2. Air-jet - flung around in a hot air

Types of yarn twist

Low twist


Nap twist


Average twist


Voile twist


Crepe twist

Spun yarns

fuzzy, comfortable, bulky, more likely to pill


yarn strength is NOT related to fiber strength


higher twist = higher strength

Continuous filament yarns

smooth, no pilling, compact, no bulk, shiny


yarn strength IS related to fiber strength

What does texturizing do?

Increases bulk and stretch