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| The Yarn Quality Profile, for instance, helps to define the precise quality requirements. Not only does this make a big difference to the transparency of supply chain dealings, it also makes buyer-seller communications easier and more effective. |
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Yarn: Cotton 100%, combed, for knitted fabrics
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| Fiber Quality |
30 |
34 |
38 |
40 |
| Number of neps bale (1/g) |
max |
250 |
240 |
230 |
220 |
| Micronaire, bale |
Range |
3.8 – 4.5 |
3.8 – 4.5 |
3.8 – 4.5 |
3.8 – 4.5 |
| AFIS: Fiber Length UQL (w), bale (mm) |
min |
30 |
30 |
30 |
30 |
| AFIS: Short Fiber Content SFC(n), finisher drawframe (%) |
max |
13 |
12 |
11 |
10 |
|
|
30 |
34 |
38 |
40 |
| Deviation of Count (%) |
max |
± 2.5 |
± 2.5 |
± 2.5 |
± 2.5 |
| Count Variation CVb (%) |
max |
1.5 |
1.5 |
1.5 |
1.5 |
| Twist Multiplier alpha e |
max |
3.6 |
3.6 |
3.6 |
3.6 |
| Variation of Twist CVt (%) |
max |
3 |
3 |
3 |
3 |
| Direction of Twist |
direction |
Z |
Z |
Z |
Z |
Yarn Evenness and Hairiness
|
30 |
34 |
38 |
40 |
| Uster Evenness CV (%) |
max |
13 |
13.4 |
13.6 |
13.9 |
| Thin Places –40% (1/km) |
max |
70 |
110 |
165 |
200 |
| Thin Places –50% (1/km) |
max |
2 |
3 |
4 |
5 |
| Thick Places +35% (1/km) |
max |
280 |
380 |
480 |
560 |
| Thick Places +50% (1/km) |
max |
30 |
40 |
50 |
55 |
| Neps +140% (1/km) |
max |
240 |
320 |
400 |
460 |
| Neps +200% (1/km) |
max |
58 |
76 |
97 |
109 |
| Uster Hairiness |
max |
5.2 |
4.9 |
4.7 |
4.6 |
Yarn Strength and Elongation
|
30 |
34 |
38 |
40 |
| Single End Strength (cN/tex) - conventional
|
min |
15 |
15 |
15 |
15 |
| Strength Variation CVb (%) - conventional |
max |
8.3 |
8.6 |
8.8 |
8.9 |
| Single End Elongation (%) - conventional |
min |
5.2 |
5 |
4.9 |
4.8 |
| Single End Strength (cN/tex) - high speed |
min |
16.5 |
16.5 |
16.5 |
16.5 |
| Strength Variation CVb (%) - high speed |
max |
8.6 |
8.9 |
9.1 |
9.3 |
| Single End Elongation (%) - high speed |
min |
4.7 |
4.6 |
4.5 |
4.4 |
Significant Classimat Faults, remaining
|
30 |
34 |
38 |
40 |
| A3 + B3 + C2 + D2, cumulative (1/100 km) |
max |
3 |
3 |
3 |
3 |
| E (1/100 km) |
max |
2 |
2 |
2 |
2 |
| H2 + I2 (1/100 km) |
max |
2 |
2 |
2 |
2 |
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