DTY
The specification of DTY and POY is color yarn with 55 dtex-360 dtex (50D-320D), including semi-dull white yarn, or bright yarn etc. The company has products of 75D/36F, 75D/48F, 100D/36F, 100D/48F,150D/48F, 200D/72F, 300D/96F. It can supply some other specification products to meet the needs of the customers.
The standard number of DTY (Draw Texturing Yarn) is GB/T14460-93.


1£®Physical Index:

Item

Unit

Top Quality

First Grade

Second Grade

Third Grade

Linear Density Deviation

£¥

2.5

3.0

4.0

5.0

Linear Density CV ¡Ü

£¥

0.80

1.40

1.60

1.80

Tenacity ¡Ý

CN/dtex

3.30

3.00

2.80

2.60

Tenacity CV¡Ü

£¥

4.00

8.00

10.00

12.00

Elongation at break M1¡À

£¥

3.0

7.0

8.0

9.0

CV of Elongation ¡Ü

£¥

8.00

12.00

14.00

16.00

Crimp Retraction  M2¡À

£¥

5

7

8

Crimp Retraction CV ¡Ü

£¥

10.0

14.0

16.0

Crimp Stability  ¡Ý

£¥

70.0

55.0

50.0

40.0

Shrinkage in boiling water M3¡À

£¥

0.5

0.8

0.9

1.0

Dyeing Evenness(Grey Scale) ¡Ý

¼¶

4.0

3.50

3.0

Please note that M1, M2 and M3 can be chosen respectively in the range of 20-30, 18-30, 1.5-4.0.

2.
Appearance Standard:


Item

Unit

Top Quality

First Grade

Second Grade

Third Grade

Color

----

normal

normal

a little abnormal

abnormal

Capillary Breaks

£¼77.8dtex

per bobbin

¡Ü 3

¡Ü10

¡Ü14

¡Ü24

77.8¡ª144.4dtex

¡Ü 8

¡Ü12

¡Ü22

£¾144.4dtex

¡Ü 6

¡Ü10

¡Ü20

Oiled Threads

cm2

none

¡Ü 1

¡Ü 4

¡Ü 6

Breakage

per bobbin

none

Tail End

per bobbin

1(over 1.5)

none¡¢many

Dead Threads

----

none

some

many

Forming

----

best

better

good

not so good

Spider Threads

per bobbin

0

upper side¡Ü2 lower side¡Ü1

upper side¡Ü4 lower side¡Ü2

Bobbin Weight

kg

more than 90%

¡Ý1.5

¡Ý1.0

¡Ý0.5

POY

1£®Physical Index

Item

Unit

Top Quality

First Grade

Second Grade

Third Grade

Linear Density Deviation ¡À

£¥

2.0

2.5

3.5

3.5

Linear Density CV  ¡Ü

£¥

0.60

0.80

1.00

1.20

Tenacity ¡Ý

CN/dtex

2.20

2.00

1.90

1.80

Tenacity CV ¡Ü

£¥

4.50

7.00

8.00

10.00

Elongation at break M¡À

£¥

4.0

8.0

10.0

12.0

CV of Elongation ¡Ü

£¥

4.50

8.00

9.00

10.00

Crimp Retraction¡Ü

£¥

0.80

1.28

1.44

1.60

Crimp Retraction CV ¡Ü

£¥

1.00

1.60

1.80

2.00

Please note that M can be chosen in the range of 90-150.


2.Appearance Standard

Item

Unit

Top Quality

First Grade

Second Grade

Third Grade

Color

----

normal

a little abnormal

abnormal

Capillary Breaks

per bobbin

0

¡Ü 2

¡Ü 6

¡Ü12

Oiled Threads

Cm2

none

¡Ü 1

¡Ü 3

¡Ü 4

Tail End

per bobbin

£¾1.5

many

Forming

----

best

better

good

not so good

Spider Threads

per bobbin

0

¡Ü 4

¡Ü 6

¡Ü12

Bobbin Weight

Kg

more than 90%

more than 60%

¡Ý £´

¡Ý £²


Copyright © 2004 Ningbo Fast Fibre Co.,Ltd.
Add:Cidong Industrial Development Zone,Cixi, Ningbo,Zhejiang,China Zip:315311
Email: sales@fibrematerial.com
Ningbo Fast Fibre Co.,Ltd. is the leading of manufacturer and exporter specialized in polyester fiber, polypropene filament in china.