Physical Parameters of SPF

No.

Items

Unit

Certified Product

1

Bias of linear density

%

+10.0&-10.0

2

Bias of length

%

+9.0&-9.0

3

Breaking strength

CN/dtex

=>2.5

4

Extension at break

%

5

CV value of breaking strength

%

<=20

6

Rate of over-length fiber

%

<=1.00

7

Over-length fiber

Mg/100g

<=100

8

Defects

Mg/100g

<=350

9

Number of crimp

Nos/25mm

<=7




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