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Nylon short fiber quality standards

Specification

1.5D-3D

6D-30D

40D-100D

Item

Grade  A

I

II

Grade  A

I

II

Grade  A

I

II

Linear density deviation±%

±6

±8

±10

±8

±10

±12

±8

±10

±12

The length of the deviation±%

±8

±10

±12

±8

±10

±12

±8

±10

±12

Fracture strength

cn/dtex≥

4

3.6

3.2

4

3.6

3.2

4

3.6

3.2

elongation at break %

50-80

45-90

40-100

50-80

45-90

40-100

50-80

45-90

40-100

Defect levels

≤mg/100g

10

20

50

20

40

50

20

40

50

Times the rate of long fiber

≤mg/100g

20

40

60

30

40

50

20

40

50

* Curl number   pc/25mm

M±2.5

M±3

M±3

M±2.5

M±3

M±3

M±2.5

M±3

M±3

* Oil content

%

0.3-1.0

0.3-1.0

0.3-1.0

0.2-1.0

0.2-1.0

0.2-1.0

0.2-1.0

0.2-1.0

0.2-1.0

* Than the resistance

≤Ωcm

9×10⁸

9×10⁹

9×10¹⁰

9×10⁹

9×10¹⁰

9×10¹¹

9×10⁹

9×10¹⁰

9×10¹¹

Note 1:Curl number center value M, according to the circumstance can be determined in consultation with supply and demand

Note 2:In the table for the test items with "*" project, does not make the assessment of equality

Note 3:Moisture regain 5% or less, > 5% were cull

Note 4:Special varieties according to the request of the buyer, upon technical indicators.

Note 5:According to the nylon short fiber related inspection standard, my factory production of short fibers do not contain chemicals cause harm to human body.