PP Needle-punched Non-woven Geotextile for Railway Laying
PP non-woven fabric is made of polypropylene fibers through processes such as hot melting, spraying, and high-speed air flow to form a network structure, and then undergoes appropriate heat setting, compaction and other processing processes.
1. Has high tensile strength and good anti-penetration performance
2. Can effectively enhance the stability and bearing capacity of soil
3. Excellent backflow resistance
4. Can prevent soil particles from being washed away or eroded
5. Has good anti-aging properties and chemical corrosion resistance
Polypropylene nonwoven geotextile, referred to as PP geotextile, it is a non-woven fabric made of polypropylene fiber as the main raw material.
Material: PP
Weight:100-800g
Width: 1-7m
Length: 50-200m (customizable)
Color; white, black, orange, supports custom colors
Features:
1. Light weight and average strength: Polypropylene geotextiles are mild in weight and have full-size tensile strength. They can face up to hundreds of extrusion forces in engineering and have fantastic durability.
2. Good acid and alkali resistance: PP geotextile can face up to the erosion and corrosion of quite a number acids, alkali, salts and different chemical resources, and is very appropriate for remarkable soil environments.
3. Good nearby climate resistance: PP geotextile has exact nearby climate resistance, can face up to the results of ultraviolet radiation and close by local weather changes, and hold the regular accepted complete houses of the material.
4. Good water permeability and air permeability: Polypropylene geotextile flooring normally have properly pore structure, which can achieve excellent water permeability and air permeability, and preserve soil moisture and gas exchange.
5. Good environmental protection: PP geotextile is made of environmentally pleasant and great ingredients. It is non-toxic, odorless and degradable, and will no longer reason air pollution to the environment.
Application:
1. Water conservancy projects: PP geotextiles are appropriate for anti-penetration, landslide resistance and erosion resistance in rivers, reservoirs and dams in water conservancy projects.
2. Basic engineering: PP geotextiles can be used to toughen soil, forestall leakage, keep soil, and enhance the steadiness and reliability of simple engineering.
3. Road engineering: PP geotextiles can be used to toughen and stabilize roadbeds and pavements, restrict the prevalence of pavement cracks and settlements, and lengthen the carrier lifestyles of roads.
4. Mines and landfills: PP geotextile can be used for complete administration of mines and reinforcement and anti-seepage of landfills to restrict the air pollution of soil and groundwater.
5. Agricultural engineering: PP geotextiles can be used in agricultural engineering such as wind safety and warmness preservation, soil moisture retention, soil care, etc. to promote crop prosperity and enlarge yields.
Specifications:
| Staple Fiber Needled Non-woven Geotextile Technical Specifications ( GB/T17638-2017) | |||||||||||
| No. | Item | Specifications | Note | ||||||||
| 100 | 150 | 200 | 250 | 300 | 350 | 400 | 450 | 500 | |||
| 1 | Thickness mm≥ | 0.9 | 1.3 | 1.7 | 2.1 | 2.4 | 2.7 | 3.0 | 3.3 | 3.6 | |
| 2 | Width deviation | -0.5 | |||||||||
| 3 | Standard breaking strength/（KN*m） | 3 | 5 | 8 | 10 | 15 | 20 | 25 | 30 | 40 | Vertical and horizontal |
| 4 | Elongation at break % | 20-100 | |||||||||
| 5 | CBR bursting strength/KN | 0.6 | 1 | 1.4 | 1.8 | 2.5 | 3.2 | 4 | 5.5 | 7 | |
| 6 | Equivalent aperture | 0.07-0.2 | |||||||||
| 7 | Vertical permeability coefficient | K*（10-1～10-3） | K=1.0-9.9 | ||||||||
| 8 | Longitudinal and transverse tear strength/KN | 0.1 | 0.15 | 0.2 | 0.25 | 0.4 | 0.5 | 0.65 | 0.8 | 1 | Vertical and horizontal |
| 9 | Acid and alkali resistance/% ≥ | 80% | |||||||||
| 10 | Antioxidant properties/% ≥ | 80% | |||||||||
| 9 | UV resistance% ≥ | 80% | |||||||||
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