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Key points for selection of long-fiber polyester waterproof coiled material

2023-01-09 09:37:18
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Long fiber polyester tire is added with special tackifying resin, which makes the product have excellent bonding performance. It can bond well with the base layer without using open flame and adhesive in the construction environment temperature. With long fiber polyester tire as reinforcement, the product is endowed with excellent tensile strength, fatigue resistance, corrosion resistance, large elongation, and strong adaptability to expansion or cracking deformation of the base.


Consisting of self-adhesive polymer modified asphalt coating and tire base, it can form a high-strength waterproof layer with strong resistance to pressure water. The coiled material has the characteristics of good low-temperature flexibility and high elongation, but the coiled material covered with plastic film or fine sand has low heat resistance. It is only applicable to the roof (with rigid protective layer) and underground waterproof works of general and medium buildings.


The tensile force of coiled material is greater than that of I-type coiled material, and the low-temperature flexibility is better. It is applicable to building roof and underground waterproof works in cold areas. When used in single layer, the thickness of Shuozhou filament polyester tire shall not be less than 3mm; When two or more layers of waterproof are provided, the thickness of each layer of waterproof coiled material of roof works shall not be less than 2mm; The waterproof of underground works shall not be less than 3mm.


长纤聚酯胎


Long fiber polyester tire has high tensile strength, large elongation and strong adaptability to shrinkage deformation and cracking of the base layer; Suitable for low temperature environment (type Ⅰ - 20 ℃; type Ⅱ - 25 ℃), with good corrosion resistance, mold resistance and weather resistance; High strength polyester tire has large thickness, puncture resistance, tear resistance and fatigue resistance; The construction performance is good. The hot-melt method can be used all year round, and the hot joints are reliable and durable.


In order to improve the anti-corrosion performance and prolong the service life of the long-fiber polyester tire, it is necessary to coat the glue on the long-fiber polyester tire. Therefore, the glue coating device used for the long-fiber polyester tire is an important process device. In the existing glue coating device used for the long-fiber polyester tire, separate glue preparation is used, and it is put into the glue pool after reaching the set temperature.


During the operation of the equipment, the non-woven fabric passes through the rubber, and the rubber is attached to the non-woven fabric for drying and shaping. Because each production line is equipped with a rubber preparation station, during the gluing operation, the temperature of the rubber solution is unstable, the non-woven fabric is not fully soaked, and the adhesive amount is small, which affects the tensile force and elongation of the subsequent base fabric, and makes the weight of the base fabric not meet the index requirements.

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