Staple fiber needled nonwoven geotextile:
Product introduction: Short-fiber needle-punched nonwoven geotextile is made of PP or PET staple fiber. It is produced by non-woven process and has functions of isolation, filtration, drainage, reinforcement, protection and maintenance.
Product specifications: 80gsm~800gsm; width 1~6 meters, long according to customer needs.
Features: good flexibility, corrosion resistance, acid and alkali resistance, oxidation resistance; good water permeability, filtration and isolation performance, convenient construction.
Application range: Widely used in water conservancy, hydropower, highways, railways, ports, airports, sports venues, tunnels, beach coating, cofferdams, environmental protection and other engineering fields.
Product implementation standards:
Staple Fiber Needled Non-woven Geotextile Technical Specifications ( GB/T17638-1998) |
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No. |
Iterm |
Specifications |
Note |
||||||||||
100 |
150 |
200 |
250 |
300 |
350 |
400 |
450 |
500
|
600
|
800 |
|||
1 |
Unit area mass deviation |
-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 deviation |
-0.5 |
|||||||||||
4 |
Breaking strength |
2.5 |
4.5
|
6.5
|
8.0
|
9.5
|
11
|
12.5 |
14.0
|
16.0
|
19.0
|
25.0 |
Vertical and horizontal |
5 |
Elongation at break % |
20-100 |
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6 |
CBR bursting strength |
0.3 |
0.6
|
0.8
|
1.2
|
1.4
|
1.8
|
2.1
|
2.4
|
2.7
|
3.2
|
4.0 |
|
7 |
Equivalent aperture |
0.07-0.2 |
|
||||||||||
8 |
Vertical permeability coefficient |
|
K= 1.0-9.9 |
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9 |
Tear strength |
0.08
|
0.12
|
0.16
|
0.20
|
0.24
|
0.28
|
0.33
|
0.38
|
0.42
|
0.46
|
0.6
|
Vertical and horizontal |