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Cross non woven fabric/ Cambrella Fabric
The reason why polypropylene non-woven fabric is waterproof
by：Sunshine
2021-04-11
Why can thin waterproof polypropylene non-woven fabrics be waterproof? First look at the characteristics of waterproof polypropylene:
1. Three-layer structure with enhanced surface
2. The core layer-the main waterproof layer is made of linear low-density polyethylene (LLDPE) with a higher branch ratio (more macromolecular side chains), which has extensibility, impermeability, flexibility, and puncture resistance , Good low temperature resistance.
3. The surface is polypropylene (polyester) non-woven fabric, which solves the problem of large linear expansion coefficient of polyethylene by compounding with the core layer. The surface roughness of the product is increased, the friction coefficient of the product is improved, and the bonding problem of the composite coil is solved, and 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-toxic, strong deformation adaptability, wide temperature range adaptability, and service life Long and good comprehensive technical performance. Polyethylene and polypropylene (polypropylene) are chemically stable, resistant to corrosion, mildew, and ozone, while polypropylene has good mechanical properties.
Its use characteristics:
1. Polymer waterproofing membrane belongs to the series of synthetic polymer waterproofing membranes. In addition to fully having all the advantages of synthetic polymer membranes, its most prominent feature lies in the network structure on its surface, making it Has its own unique performance-cement bonding.
2. Because the polymer composite coil can be directly bonded with cement, it will not be affected by the moisture content of the base layer during the construction process, as long as there is no open water, the construction can be carried out. This is not available in other waterproofing membranes.
3. Due to the rough surface of the polymer composite coil and the large friction coefficient, it can be directly buried in sand and has sufficient stability when applied in water conservancy projects.
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.
1. Three-layer structure with enhanced surface
2. The core layer-the main waterproof layer is made of linear low-density polyethylene (LLDPE) with a higher branch ratio (more macromolecular side chains), which has extensibility, impermeability, flexibility, and puncture resistance , Good low temperature resistance.
3. The surface is polypropylene (polyester) non-woven fabric, which solves the problem of large linear expansion coefficient of polyethylene by compounding with the core layer. The surface roughness of the product is increased, the friction coefficient of the product is improved, and the bonding problem of the composite coil is solved, and 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-toxic, strong deformation adaptability, wide temperature range adaptability, and service life Long and good comprehensive technical performance. Polyethylene and polypropylene (polypropylene) are chemically stable, resistant to corrosion, mildew, and ozone, while polypropylene has good mechanical properties.
Its use characteristics:
1. Polymer waterproofing membrane belongs to the series of synthetic polymer waterproofing membranes. In addition to fully having all the advantages of synthetic polymer membranes, its most prominent feature lies in the network structure on its surface, making it Has its own unique performance-cement bonding.
2. Because the polymer composite coil can be directly bonded with cement, it will not be affected by the moisture content of the base layer during the construction process, as long as there is no open water, the construction can be carried out. This is not available in other waterproofing membranes.
3. Due to the rough surface of the polymer composite coil and the large friction coefficient, it can be directly buried in sand and has sufficient stability when applied in water conservancy projects.
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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