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
<=350
9
Number of crimp
Nos/25mm
<=7