Geotextile is a new type of construction material used in civil engineering. The main material is polyester fiber, which is laid into a mesh by using different equipment and processes such as filament or staple fibers. After being needled, different fibers are interwoven with each other, intertwined and fixed to standardize the fabric, making the fabric soft, plump, thick, and stiff, to achieve different thicknesses to meet the use requirements, According to the length of the filament used, it can be divided into filament nonwoven geotextiles or short filament nonwoven geotextiles. The tensile strength of the filament is higher than that of the short filament. Due to the softness of the fiber, it has a certain tear resistance and has good filtration, water filtration, and reinforcement effects.
Technical data sheet of polypropylene geotextile
| No |
Item |
Unit |
Test Mothod GB/T |
Index |
| 1 |
Mass deviation per unit area |
% |
GB/T 13762 |
100 |
200 |
300 |
400 |
500 |
600 |
800 |
1000 |
| 2 |
Grab tensile strength |
N |
GB/T 13763 |
≥450 |
≥900 |
≥1250 |
≥1600 |
≥2000 |
≥2400 |
≥3000 |
≥3600 |
| 3 |
Grab elongation |
% |
50-90 |
50-100 |
| 4 |
Trapezoid tear strength |
N |
GB/T 13763 |
≥175 |
≥350 |
≥425 |
≥500 |
≥580 |
≥760 |
≥900 |
≥1050 |
| 5 |
CBR punctureresistance |
KN |
GB/T 14800 |
≥1.25 |
≥2.5 |
≥3.5 |
≥4.2 |
≥5.9 |
≥7.4 |
≥9.0 |
≥11 |
| 6 |
Breaking strength |
KN |
GB/T 3923.1 |
≥5.5 |
≥11 |
≥16 |
≥22 |
≥30 |
≥39 |
≥48 |
≥58 |
| 7 |
Elongation at break |
% |
/ |
50-90 |
50-90 |
| 8 |
Thickness |
MM |
GB/T 13761 |
1.4-1.7 |
1.8-2.2 |
2.4-2.8 |
3.0-3.5 |
3.6-4.0 |
4.0-4.4 |
4.8-5.2 |
5.6-6.0 |
| 9 |
Wide deviation |
% |
GB/T 4667 |
0-0.5 |
| 10 |
Appearance quality |
/ |
Cloth surface certificate, no color difference, broken needle, oil stain; evenly lay net flush the cutting edge. |
Technical data sheet of polyester geotextile
| Gram weight |
Thickness(mm) |
Breaking strength(kn/m) |
CBR burst strength(KN) |
Elongation at break(% |
Tear Strength(KN) |
Sieve size O99(O35)mm |
| 100 |
0.9 |
2.5 |
0.3 |
25-100 |
0.08 |
0.07-2.0 |
| 150 |
1.3 |
4.5 |
0.6 |
25-100 |
0.12 |
0.07-2.0 |
| 200 |
1.7 |
6.5 |
0.9 |
25-100 |
0.16 |
0.07-2.0 |
| 250 |
2.1 |
8.0 |
1.2 |
25-100 |
0.20 |
0.07-2.0 |
| 300 |
2.4 |
9.5 |
1.5 |
25-100 |
0.24 |
0.07-2.0 |
| 350 |
2.7 |
11.0 |
1.8 |
25-100 |
0.28 |
0.07-2.0 |
| 400 |
3.0 |
12.5 |
2.1 |
25-100 |
0.33 |
0.07-2.0 |
| 450 |
3.3 |
14 |
2.4 |
25-100 |
0.38 |
0.07-2.0 |
| 500 |
3.6 |
16 |
2.7 |
25-100 |
0.42 |
0.07-2.0 |
| 600 |
4.1 |
19 |
3.2 |
25-100 |
0.46 |
0.07-2.0 |
| 800 |
5.0 |
25 |
4.0 |
25-100 |
0.60 |
0.07-2.0 |
1. It does not contain chemical additives or undergo heat treatment, and is an environmentally friendly building material
2. It has good mechanical properties, good water permeability, corrosion resistance and aging resistance
3. Strong resistance to burial and corrosion, fluffy structure, and good drainage performance
4. Good friction coefficient and tensile strength, with geotechnical reinforcement performance
5. It has functions such as isolation, reverse filtration, drainage, protection, stabilization, and reinforcement
6. It can adapt to uneven base course, resist external force damage during construction, and has low creep
7. Good overall continuity, light weight, and convenient construction
8. Permeable material, which has excellent filtration and isolation function and strong puncture resistance, so it has good protective performance
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