non woven fusible interlining Manufacturers

The impermeable geomembrane is attributed to the drainage pipe, usually needle-punched nonwoven impervious geotextile, or woven impervious geotextile, waterproof impermeable geomembrane, it can be divided into two cloth films and cloth films, according to the plan to see the demand For how many grams of cloth and how many grams of film, roadbed penetration is usually acupuncture nonwoven impervious geotextile.

The purpose of geomembrane is to use its anti-permeability effect. Geomembrane should be impermeable to the molecular structure and manufacturing process. However, due to the unevenness and defects in manufacturing, the commonly used geomembrane must not leak. It's just that it is relatively difficult to permeate and what is more important is whether the geomembrane can maintain its anti-seepage performance under the action of long-term water head when it contacts the actual soil (or other materials). Due to the uneven contact surface, rough soil particles, large local deformation of the soil, etc., the geomembrane may be broken or torn under the action of high water head, and its anti-seepage performance will be lost or weakened. Therefore, corresponding anti-seepage tests are also required.

The anti-seepage structure of the composite geomembrane consists of a protective layer, an upper buffer layer, an anti-seepage layer, a lower buffer layer and a support layer in sequence.

The anti-seepage geomembrane is made of polyethylene film as the base material, and is made of geotextile.

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Slope protection bag is made of polypropylene (PP) or polyester fiber (PET) made of double-sided ironing needle punched non-woven fabrics. Under the premise of fully considering the requirements of many disciplines such as material mechanics, hydraulics, biology, botany, etc.