Staple Fiber Needle Punched Geotextile
Products Descript ion
Staple fiber needle punched geotextile is manufactured using short synthetic fabric (polyester fibre, polypropylene fiber) as main materials.The product is formed after the processes of opening,combing,mixing and disordering,lapping and needling.
Products Features
1.Excellent drainage performance
2.High strength,excellent tenacity
3.Anti-aging,anti-acid and alkali
4.Can accommodate irregular deformations
5.Creep, corrosion and abrasion resistance
6.Safe and easy for construction
Application Range
Widely used in highway, railway, dam, coastal shoal engineering reinforcement, inverted filter, isolation and drainage.
Product Specifications and Technical Parameters
|
NO.
|
Item
|
Specification
|
Note
|
|||||||||||
|
100
|
150
|
200
|
250g
|
300
|
350g
|
400
|
450
|
500
|
600
|
800
|
||||
|
1
|
Weight Variation%
|
-8
|
-8
|
-8
|
-8
|
-7
|
-7
|
-7
|
-7
|
-6
|
-6
|
-6
|
||
|
2
|
Thickness mm≥
|
0.9
|
1.3
|
1.7
|
2.1
|
2.4
|
2.7
|
3.0
|
3.3
|
3.6
|
4.1
|
5.0
|
||
|
3
|
Width Variation %
|
-0.5
|
||||||||||||
|
4
|
Breaking Strength KN/m ≥
|
2.5
|
4.5
|
6.5
|
8.0
|
9.5
|
11.0
|
12.5
|
14.0
|
16.0
|
19.0
|
25.0
|
MD and TD |
|
|
5
|
Elongation at Break %
|
25～100
|
||||||||||||
|
6
|
CBR Mullen Burst Strength KN≥
|
0.3
|
0.6
|
0.9
|
1.2
|
1.5
|
1.8
|
2.1
|
2.4
|
2.7
|
3.2
|
4.0
|
||
|
7
|
Sieve Size O90 mm
|
0.07～0.2
|
||||||||||||
|
8
|
Vertical Permeability
Coefficient cm/s
|
K× (10-1～10-3)
|
k=1.0-9.9
|
|||||||||||
|
9
|
Tear Strength KN≥
|
0.08
|
0.12
|
0.16
|
0.20
|
0.24
|
0.28
|
0.33
|
0.38
|
0.42
|
0.46
|
0.6
|
MD and TD
|
|
