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Secondary Manufactured Fibers for<br />
Consumer Use 54<br />
Textile Connection: Rayon Fiber 55<br />
Bamboo Rayon 56<br />
Glass 56<br />
Metallic 56<br />
Modacrylic 57<br />
Triacetate 57<br />
Secondary Manufactured Fibers for<br />
Industrial Applications 58<br />
Anidex 58<br />
Aramid 58<br />
Azlon 58<br />
Lastrile 58<br />
Melamine 58<br />
Novoloid 59<br />
Nytril 59<br />
PBI 59<br />
Rubber 59<br />
Saran 59<br />
Sulfar 60<br />
Vinal 60<br />
Vinyon 60<br />
Other Generic Fiber Categories 60<br />
Carbon Fibers 60<br />
Fluorocarbon Fibers 60<br />
Heterogeneous Fibers 60<br />
Fiber Innovation 62<br />
Table 3.6: Fiber Names in Other<br />
Languages 63<br />
Table 3.7: International Abbreviations<br />
for Designating Fibers in Yarns 64<br />
Study Questions 64<br />
Natural and Manufactured Fibers: Fabric Science<br />
Swatch Kit Assignment 65<br />
4 Yarns and Sewing Threads 67<br />
Objectives 67<br />
Key Terms Related to Textiles 67<br />
Spun and Filament Yarns 68<br />
Identifying Spun and Filament Yarns 69<br />
Monofilament, Multifilament, and<br />
Microfilament Yarns 69<br />
E X T E N D E D C O N T E N T S<br />
A ix F<br />
Comparison of Spun and Filament Yarn<br />
Properties 70<br />
Uses of Spun and Filament Yarns 71<br />
Yarn Twist 71<br />
Twist Direction 71<br />
Carded and Combed Cotton Yarns 72<br />
Tow and Line Linen Yarns 72<br />
Woolen and Worsted Yarns 72<br />
Single and Ply Yarns 73<br />
Yarn Spinning 74<br />
Yarn Pilling 75<br />
Blends and Mixtures 75<br />
Special Types of Yarns 76<br />
Textured Yarns 76<br />
Stretch Yarns 78<br />
Table 4.1: Comparison of Stretch Yarns 79<br />
High-Bulk Yarns 79<br />
Novelty Yarns 79<br />
Chenille Yarns 80<br />
Metallic Yarns 80<br />
Yarn Numbering Systems 81<br />
The Denier System 81<br />
The Yarn Count System 81<br />
The Tex System 82<br />
Table 4.2: Yarn Number Conversions 83<br />
Sewing Threads 83<br />
Fibers Used for Threads 83<br />
Types of Threads 84<br />
Thread Finishes 84<br />
Thread Sizes 84<br />
Important Factors in Thread Selection 84<br />
Important Thread Factors That Govern<br />
Seam Appearance 84<br />
Table 4.3: Comparison of Sewing Thread<br />
Types 84<br />
Table 4.4: Thread Finishes and Their Uses 85<br />
Table 4.5: Sewing Applications by Thread<br />
Size 85<br />
Textile Connection: Tassel 86<br />
Study Questions 86<br />
Yarns and Sewing Threads: Fabric Science Swatch<br />
Kit Assignment 86