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What are the advantages of polyurethane screens?
1. Long service life and large carrying capacity. Because the polyurethane elastic screen uses steel wire rope as the skeleton material, and the polyurethane itself has the highest elastic modulus, high strength to absorb impact force, and high wear resistance, it has high tensile strength, and its load-bearing capacity is that of a rubber screen. More than 2.5 times that of the Internet. Its service life is 8-10 times longer than that of ordinary metal screens, 3 times that of stainless steel screens, and 3.9 times that of natural rubber. It is currently the screen material with the best wear resistance in the world. The production material of polyurethane screen mesh is a polymer organic elastomer, which has excellent wear resistance, flexibility resistance and large load-bearing capacity. The raw materials for the production of polyurethane screens have been specially treated to prevent delamination under long-term alternating loads.

2. High screening efficiency. The screen surface has self-cleaning properties, does not block holes, and has high screening efficiency. Due to the strong water permeability of polyurethane and the large cone angle of the screen hole (140°), it can effectively prevent the adhesion of wet fine-grained materials, so it is suitable for screening and classifying wet fine-grained materials. The polyurethane screen uses imported raw materials, and its elastomer and its own good relaxation properties can effectively avoid clogging under dynamic conditions.

3. It has a wide range of applications and stronger applicability. It is suitable for any type of vibrating screen machine and can be machine-made. Polyurethane screens are widely used in hydropower stations, building materials and other metal processing industries.

Screening of various materials within the range of 0.1mm-170mm, regardless of dry screening or wet screening, will not affect the screening efficiency. For dehydration and demediation screens in the range of 0.5m-3mm, the superiority of the polyurethane screen surface is more fully demonstrated. The product is water-resistant, non-toxic and aging-resistant, and is easy to replace and maintain. Polyurethane has a small density (1.32kg/m 3 ) and is lighter than a metal screen surface, which can reduce production unit consumption and therefore can adapt to the requirements of large-scale development of screen machines.

4. High screening accuracy. The production process of the polyurethane screen adopts the mold casting process. The aperture is accurate, the screening quality is high, and the particle size of the materials under the screen can well meet the user’s requirements. It is simple to install and easy to replace and repair. This product is suitable for any type of screening machine. It is light in weight and can be installed or replaced on site, which greatly reduces the workload.

5. The working noise is low and meets the national environmental noise standards. According to actual measurements, the same screen machine using polyurethane screen can reduce noise by 5-20 decibels compared with metal screen, and greatly reduce dust flying, thus creating a quiet and clean working environment at the production site.

6. Significant economic benefits. Although the price of the polyurethane rubber screen surface is higher than that of the metal screen surface, if factors such as screening efficiency, maintenance costs, and service life are comprehensively considered, it will be found that the overall efficiency of the polyurethane rubber screen surface is much better than that of ordinary metal screen surfaces. According to surveys, 45 tons of steel can be saved for every ton of polyurethane rubber screen plates used. Saved more than 40,000 yuan in maintenance costs. Therefore, polyurethane screen surface replacing steel screen surface will be the inevitable choice for most enterprises in the future.

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