Geotextile
Geotextiles are the perfect materials for several infrastructural works like roads, landfills, drainage, and other civil projects.
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Product Details ofGeotextile
Types of Geotextiles
1. Nonwoven Geotextile
The Nonwoven Geotextiles are made from either continuous filament yarn or short-staple fibers. The fibers are usually bonded using thermal, chemical, or mechanical techniques, or by combining two or all of the methods. The geo-fibers got from mechanical or thermal techniques usually have a thickness of 0.5 to 1mm, while chemically bonded non-woven geotextiles are thicker by up to 3mm. They are used mainly for separation, protection, and filtration purposes in the areas of roadway, railroad, landfill, or civil and environmental projects.
The manufacturing method uses a process with endless filaments to ensure the use of high-quality materials. Non-woven geotextiles are resistant to all chemicals and biological media occurring in the soil and construction materials. The material cannot be dissolved by water, making it safe for groundwater. They are also equipped with U-stabilizer to provide extended resistance to direct sunlight.
2. Woven Geotextile
The Woven Geotextiles are made by interlocking fabric strips that strength and stability for the project where geotextiles are needed. They are ideal for separation and reinforcement purposes because they’re nearly impermeable. The woven geotextiles can be made of different materials, but the most common is a weave or yarn-blend. The fabrics look like plastic sheets, with the weave only visible upon close inspection.
Staple Fiber Needle Punched Nonwoven Geotextile
Reference Standard: GBT17638-1998 (Old Version)
Width: 1-8m, Length: according to request
Properties | Unit | Value | |||||||||||
Mass | g/m2 | 100 | 150 | 200 | 250 | 300 | 350 | 400 | 450 | 500 | 600 | 800 | |
Thickness | mm | 0.9 | 1.3 | 1.7 | 2.1 | 2.4 | 2.7 | 3.0 | 3.3 | 3.6 | 4.1 | 5.0 | |
Trapezoidal Tear strength | MD/TD | kN | ≥0.08 | ≥0.12 | ≥0.16 | ≥0.20 | ≥0.24 | ≥0.28 | ≥0.33 | ≥0.38 | ≥0.42 | ≥0.46 | ≥0.60 |
CBR 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 | |
Break strength | MD/TD | kN/m | ≥2.5 | ≥4.5 | ≥6.5 | ≥8.0 | ≥9.5 | ≥11.0 | ≥12.5 | ≥14.0 | ≥16.0 | ≥19.0 | ≥25.0 |
Break elongation | MD/TD | % | 25-100 | ||||||||||
Sieve size O90 | mm | 0.07-0.20 | |||||||||||
Vertical permeability coefficient | cm/s | K*(10-1—10-3) K=1.0-9.9 | |||||||||||
Reference Standard: GBT17638-2017 (Latest Version)
Width: 1-8m, Length: according to request
Properties | Unit | Value | |||||||||
Break strength | MD/TD | kN/m | ≥3.0 | ≥5.0 | ≥8.0 | ≥10.0 | ≥15.0 | ≥20.0 | ≥25.0 | ≥30.0 | 40.0 |
Break elongation | MD/TD | % | 20-100 | ||||||||
Trapezoidal Tear strength | MD/TD | kN | ≥0.10 | ≥0.15 | ≥0.20 | ≥0.25 | ≥0.40 | ≥0.50 | ≥0.65 | ≥0.80 | ≥1.0 |
CBR burst strength | kN | ≥0.6 | ≥1.0 | ≥1.4 | ≥1.8 | ≥2.5 | ≥3.2 | ≥4.0 | ≥5.5 | ≥7.0 | |
Sieve size O90 | mm | 0.07-0.20 | |||||||||
Vertical permeability coefficient | cm/s | K*(10-1—10-3) K=1.0-9.9 | |||||||||
Filament Spunbonded Nonwoven Geotextile
Reference Standard: GBT17639-2008 (Old Version)
Width: 2-7m, Length: according to request
Properties | Unit | Value | |||||||||||
Mass | g/m2 | 100 | 150 | 200 | 250 | 300 | 350 | 400 | 450 | 500 | 600 | 800 | |
Thickness | mm | 0.8 | 1.2 | 1.6 | 1.9 | 2.2 | 2.5 | 2.8 | 3.1 | 3.4 | 4.2 | 5.5 | |
Trapezoidal Tear strength | MD/TD | kN | ≥0.14 | ≥0.21 | ≥0.28 | ≥0.35 | ≥0.42 | ≥0.49 | ≥0.56 | ≥0.63 | ≥0.70 | ≥0.82 | ≥1.10 |
CBR burst strength | kN | ≥0.8 | ≥1.4 | ≥1.8 | ≥2.2 | ≥2.6 | ≥3.0 | ≥3.5 | ≥4.0 | ≥4.7 | ≥5.5 | ≥7.0 | |
Break strength | MD/TD | kN/m | ≥4.7 | ≥7.5 | ≥10.0 | ≥12.5 | ≥15.0 | ≥17.5 | ≥20.5 | ≥22.5 | ≥25.0 | ≥30.0 | ≥40.0 |
Break elongation | MD/TD | % | 40-80 | ||||||||||
Sieve size O90 | mm | 0.07-0.20 | |||||||||||
Vertical permeability coefficient | cm/s | K*(10-1—10-3) K=1.0-9.9 | |||||||||||
Reference Standard: GBT17639-2008 (Latest Version)
Width: 2-7m, Length: according to request
Properties | Unit | Value | |||||||||
Thickness | mm | ≥0.8 | ≥1.2 | ≥1.6 | ≥2.2 | ≥2.8 | ≥3.4 | ≥4.2 | ≥5.5 | ≥6.8 | |
Break strength | MD/TD | kN/m | ≥4.5 | ≥7.5 | ≥10.0 | ≥15.0 | ≥20.0 | ≥25.0 | ≥30.0 | ≥40.0 | 50.0 |
Break elongation | MD/TD | % | 40-80 | ||||||||
Trapezoidal Tear strength | MD/TD | kN | ≥0.14 | ≥0.21 | ≥0.28 | ≥0.42 | ≥0.56 | ≥0.70 | ≥0.82 | ≥1.10 | ≥1.25 |
CBR burst strength | kN | ≥0.8 | ≥1.6 | ≥1.9 | ≥2.9 | ≥3.9 | ≥5.3 | ≥6.4 | ≥7.9 | ≥8.5 | |
Sieve size O90 | mm | 0.05-0.20 | |||||||||
Vertical permeability coefficient | cm/s | K*(10-1—10-3) K=1.0-9.9 | |||||||||
Filament Woven Geotextile
Reference Standard: GBT17640-2008
Width: ≤6m, Length: according to request
Properties | Unit | Value | ||||||||||||
Break strength | MD | kN/m | ≥35 | ≥50 | ≥65 | ≥80 | ≥100 | ≥120 | ≥140 | ≥160 | ≥180 | ≥200 | ≥250 | |
Break strength | TD | kN/m | 0.7 times of break strength in MD | |||||||||||
Break elongation | % | ≤35 in MD, ≤30 in TD | ||||||||||||
CBR burst strength | kN | ≥2.0 | ≥4.0 | ≥6.0 | ≥8.0 | ≥10.5 | ≥13.0 | ≥15.5 | ≥18.0 | ≥20.5 | ≥23.0 | ≥28.0 | ||
Trapezoidal Tear strength | MD/TD | kN | ≥0.4 | ≥0.7 | ≥1.0 | ≥1.2 | ≥1.4 | ≥1.6 | ≥1.8 | ≥1.9 | ≥2.1 | ≥2.3 | ≥2.7 | |
Sieve size O90 | mm | 0.05-0.50 | ||||||||||||
Vertical permeability coefficient | cm/s | K*(10-2—10-5) K=1.0-9.9 | ||||||||||||
Test Method Reference for Geotextile
AS Standard: AS3706.2/AS3706.3/AS3706.4/AS3706.5/AS3706.7/AS3706.9
ASTM Standard: ASTM D4595d/ASTM D4632/ASTM D4533D/ASTM D6241/ASTM D4571D/ASTM D4491/ASTM D4355/ASTM D5261/ASTM D5199
ISO Standard: ISO964/ISO10319D/ISO13937/ISO12236
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