PP Spunbond Needle-punched Non-woven Fabric

 PP Spunbond Needle-punched Non-woven Fabric has reliable drainage performance;
Due to the fluffiness of its structure, the drainage of geotechnical engineering surfaces can be effectively controlled.
 PP Spunbond Needle punched Non-woven Fabric has good protection performance;
Due to its good puncture, elongation and fluffiness, it effectively protects the waterproof layer from potential mechanical damage.
 PP Spunbond Needle-punched Nonwoven Fabric has reinforcing properties;
Fluffiness and high strength improve the overall stability of the project and increase its strength.

Use of raw materials

The needle-punched geotextiles produced by the company are mainly high-quality polyester staple fibers (fiber 4-9dtox, length 50-76mm), and can also produce polypropylene, nylon, vinylon or mixed fiber needle-punched geotextiles according to user requirements.

Function, function and influencing parameters of needle-punched geotextiles

1. Isolation

That is, geotextiles are used to isolate building raw materials (such as soil and sand, sand and gravel, soil and concrete, etc.) with different physical properties (particle size, distribution, consistency and density, etc.). It does not lose or mix between two or more materials, maintains the overall structure and function of the material, and strengthens the load bearing capacity of the structure.

2. Filtration

When the water flows into the coarse soil layer from the washing soil layer, the good air permeability and permeability of the needle-punched geotextile are used to make the water flow through, and the soil particles, spinning yarns, small stones, etc. are effectively intercepted to maintain the stability of the soil and water engineering.

3. Drainage

Acupuncture geotextile is a good water conductive material, which can form a drainage channel inside the soil and remove excess liquid and gas from the soil structure.

4. Reinforcement

The tensile strength and anti-change ability of the soil are enhanced by needle-punched geotextiles, and the stability of the building structure is increased, so as to improve the soil quality.

5. Protection

Effectively diffuse, transmit or decompose concentrated stress to prevent the soil from being damaged by external force.

6. Closure

Needle-punched geotextiles are combined with other materials, mainly asphalt or plastic films, to form an impermeable barrier in the soil layer. (Mainly used for highway resurving, repair, etc.).

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