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The document presents data on the density and spinning technology of various fibers including cotton, viscose, polyester, and wool. It includes values for combed, carded, and rotor yarns, as well as calculations for specific metrics related to fiber properties. Additionally, it provides a table of values for different staple lengths and their corresponding metrics.

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namitha
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4 views2 pages

Tables

The document presents data on the density and spinning technology of various fibers including cotton, viscose, polyester, and wool. It includes values for combed, carded, and rotor yarns, as well as calculations for specific metrics related to fiber properties. Additionally, it provides a table of values for different staple lengths and their corresponding metrics.

Uploaded by

namitha
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
Available Formats
Download as PDF, TXT or read online on Scribd
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𝑉𝑎𝑙𝑢𝑒 𝑜𝑓 𝑄 ൣ𝑚2 𝑡𝑒𝑥 −1⁄2 ൧

FIBRE DENSITY SPINNING TECHNOLOGY

𝑘𝑔⁄𝑚3

Combed Carded Rotor yarn


ring yarn ring yarn

Cotton 1520 1.46 × 10−7 9.61 × 10−8 6.18× 10−8

Viscose 1500 4.12× 10−7 4.12× 10−7 1.76× 10−7

Polyester 1360 2.98× 10−7 2.98× 10−7 1.29× 10−7

Wool 1310 2.16 × 10−7 1.20× 10−7 6.49× 10−8

𝜇 𝜇2.5 𝜇 𝜇2.5
3 3
𝜇 3 𝜇 3
{1 − (0.8) } {1 − (0.8) }

0.38 0.1251 0.46 0.2702


0.39 0.1374 0.47 0.2989
0.40 0.1511 0.48 0.3312
0.41 0.1661 0.49 0.3678
0.42 0.1827 0.50 0.4094
0.43 0.2012
0.44 0.2217
0.45 0.2446
FIBRE 𝑅[𝑡𝑒𝑥 1⁄2 ]

Cotton - long staple 2.145

Cotton - medium staple 2.737

Viscose 4.589

Polyester 3.563

Wool 2.341

𝜇1.5 𝜇1.5
𝜇 3 𝜇 3
𝜇 3 𝜇 3
{1 − (0.8) } {1 − (0.8) }

0.38 0.3291 0.46 0.5873

0.39 0.3524 0.47 0.6359

0.40 0.3776 0.48 0.6901

0.41 0.4051 0.49 0.7501

0.42 0.4350 0.50 0.8187

0.43 0.4678

0.44 0.5038

0.45 0.5435

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