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Short fiber needle punched nonwoven geotextile
Made from PP (polypropylene) or PET (polyester) short fiber by nonwoven needle punched manufacturing process,it has isolation,filtration,drainage,reinforcement, protection and maintenance etc.function.
Key words :
Short fiber needle punched nonwoven geotextile
Category :
Short fiber needle punched nonwoven geotextile
Details description
Description:
Made from PP (polypropylene) or PET (polyester) short fiber by nonwoven needle punched manufacturing process,it has isolation,filtration,drainage,reinforcement,
protection and maintenance etc.function.
Specification: 1. 80g/m2-1500g/m2 2. 1m-6m in roll width,the length as clients' request
Property: 1. Good flexibility,resistant to corrosion,resistant to acids and alkalis,anti-oxidation 2. Separation,filtration,drainage,reinforcement,protection,and maintenance function
Production standard: GB/T17638-1998 GB/T17638-2017 JT/T 520-2004
Technicalspecification of short fiber needle punched non woven geotextile(GB/T 17638-1998)
|
Item |
Specification |
|||||||||||
|
|
100 |
150 |
200 |
250 |
300 |
350 |
400 |
450 |
500 |
600 |
800 |
Note |
|
Weight Variation% |
-8 |
-8 |
-8 |
-8 |
-7 |
-7 |
-7 |
-7 |
-6 |
-6 |
-6 |
|
|
Thickness mmz≥ |
0.9 |
1.3 |
1.7 |
2.1 |
2.4 |
2.7 |
3.0 |
3.3 |
3.6 |
4.1 |
5.0 |
|
|
Width Variation% |
-0.5 |
|
||||||||||
|
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 |
|
Elongation at Break% |
25~100 |
|
||||||||||
|
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 |
|
|
Sieve Size O90 mm |
0.07~0.2 |
|
||||||||||
|
Vertical Permeability Coefficient,cm/s |
Kx(10^(-1)~10^(-3)) |
K=1.0~9.9 |
||||||||||
|
Tear Strengh KN≥ |
0.08 |
0.12 |
0.16 |
0.20 |
0.24 |
0.28 |
0.33 |
0.38 |
0.42 |
0.46 |
0.60 |
MD and TD |
Technical Indicators of Short Fiber Needle-punched Nonwoven Geotextile (GB/T 17638-2017)
|
Item |
The fracture strength of nominal/(KN/m) |
||||||||
|
3 |
5 |
8 |
10 |
15 |
20 |
25 |
30 |
40 |
|
|
Longitudinal and TransversFracture Strength（kN／m）≥ 3.0 |
3.0 |
5.0 |
8.0 |
10.0 |
15.0 |
20.0 |
25.0 |
30.0 |
40.0 |
|
Corresponding elongation of nominal fracture strength％ |
20~100 |
||||||||
|
Bursting strength（kN） 2 |
0.6 |
1.0 |
1.4 |
1.8 |
2.5 |
3.2 |
4.0 |
5.5 |
7.0 |
|
Deviation rate of mass per unit area（％） |
±5 |
||||||||
|
Width deviation rate（％） |
-0.5 |
||||||||
|
Thickness deviation rate（％） |
±10 |
||||||||
|
Sieve Size O90 mm |
0.07~0.20 |
||||||||
|
Vertical Permeability Coefficient（cm／s） |
Kx(10-1~10-3) ：K＝1.0～9.9 |
||||||||
|
Longitudinal and transverse tearing strength（kN）≥ |
0.10 |
0.15 |
0.20 |
0.25 |
0.40 |
0.50 0.65 |
0.80 |
1.00 |
0.10 |
|
Acid and alkaliresistance（strength retention rate）（％）≥ |
80 |
||||||||
|
Antioxidant activity （strength retention rate）％ |
80 |
||||||||
Application:
1.Water conservancy project and hydropower project
2.Road paving,railway
3.Airport and port
4.River bank protection and tunnel
5.Environmental protection,etc
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