| U | |
| Ultimate Fibre | See Fibre Ultimate |
| Unbalanced Stripes |
A Stripe Design With An Irregular Spacing Between The Lines. |
| Uncut Corduroy |
A Corduroy With The Pile Left Uncut. The Result Is A Strong Woven Fabric With A Warpwise Rib. |
| Undrawn Yarn |
Extruded Filament Yarn (or Tow), The Component
Macromolecules Of Which Have A Low Degree Of Orientation. Note:
Undrawn Yarn And Tow Represent Intermediate Stages In The Production
Of Some Synthetic Yams And Staple Fibres Respectively. |
| Union Dye |
A Dye, Or A Mixture Of Dyes, Which Will Yield An
Apparently Solid Dyeing On The Fibre Mixture For Which It Is Devised. |
| Union Dyed | A Fabric With 2 Or More Fibers All
Dyed In The Same Shade. |
| Union Yarn | A Yarn Made By Twisting Together
Yarns Of Different Fibres. |
| Unripe Cotton | See Immature Cotton |
| Upland Cotton; Uppers |
A Type Of Cotton (gossypium Hirsutum) Which Forms
The Bulk Of The World's Cotton Crop. It Varies In Average Staple
Length From About 22 Mm To About 32 Mm. |
| Urena | A Bast Fibre Similar To Jute, From
The Plant Urena Lobata |