Characteristics of waterproof polypropylene non-woven fabric
The characteristics of waterproof polypropylene non-woven fabrics, why can thin waterproof polypropylene non-woven fabrics be waterproof, I believe that the friends have a lot of questions, the following small series to tell you the reasons, first look at the characteristics of waterproof polypropylene: 1, three-layer structure, surface enhancement 2, core layer--The main waterproof layer adopts a higher support ratio (Macromolecular side chains)Linear low density polyethylene (LLDPE)
Its elongation, impermeability, softness, puncture resistance and low temperature resistance are good. 3, the surface is polypropylene (Polyester)
The non-woven fabric, through the combination with the core layer, solves the problem of large expansion coefficient of polyethylene wire.
The roughness of the product surface is increased, the friction coefficient of the product is improved, and the bonding problem of the composite coil is solved, and the cement bonding is realized.
Its structural characteristics: it has strong impermeability, high tensile strength, good low temperature flexibility, small linear expansion coefficient, easy bonding, large friction coefficient, good stability, non-toxicity, strong deformation adaptability, wide temperature range and use good comprehensive technical performance such as long life. Polyethylene, polypropylene (Polypropylene)
Both are resistant to chemical stability, corrosion resistance, mildew and ozone, while polypropylene has good mechanical properties.
Its use characteristics: 1. Polymer waterproofing membrane belongs to the series of polymer waterproofing membrane, which not only has all the advantages of synthetic polymer membrane, but also has its most prominent characteristics, the network structure of its surface makes it have its own unique performance--Cement bonding.
2. Because the polymer composite coil can be directly bonded with cement, it is not affected by the moisture content of the base layer during the construction process, as long as there is no clear water, it can be constructed. This is not available in other waterproofing materials.
3. Due to the rough surface and large friction coefficient of the polymer composite coil, it can be directly buried in sand when applied in water conservancy projects, which has sufficient stability.
4. Since the polymer composite coil can be directly bonded to the cement material during the solidification process, it can be directly designed in the structure of the cement material.
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