What are the main characteristics and types of geotextiles

The main raw materials of geotextiles are polypropylene, polyester, polyamide, and so on. Geotextiles are classified into water filtration type, impermeable type, and heat preservation type according to their uses. The width is 0.3 to 18 meters, and the length is unlimited. The thickness of the geotextile is related to the forming method, and the weight per square meter ranges from 16 grams to 900 grams.Geofantex Geosynthetics geotextile could supply 16-2000 grams geotextiles. 

Landfill geotextiles and geomembrane
Landfill geotextiles and geomembrane

1. Filtration geotextile allows water to pass through but prevents fine-grained soil from being lost with water. It can be used as a blind drainage ditch instead of pipelines; as a percolation layer inroads to prevent mud from turning; as a cushion on a weak foundation to improve the stability of the foundation; or to isolate two soil particles of different sizes. So as not to mix.

Polyester staple fiber needle punched nonwoven geotextile
Polyester staple fiber needle punched nonwoven geotextile

2. Composite geotextiles The surface of the geotextile is coated with an impermeable coating to become a waterproof type, which can be used as an anti-leakage pavement for channels and as a moisture-proof layer in the foundation of a house.

Polypropylene staple fiber needle punched nonwoven geotextile

3. Thermal insulation geotextiles are used as insulation barriers for foundations in cold areas.

Due to different uses, the strength of geotextiles is also different, usually its tensile strength, tear strength, punching strength and ultimate elongation are relatively large; buried in the soil corrosion resistance and anti-microbial erosion resistance are also good. 

Polyester Continuous Filament Nonwoven Geotextile


Polyester Staple Fiber Nonwoven Geotextile


PP Staple Fiber Nonwoven Geotextile


PP Woven Geotextiles

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