Advantages and disadvantages of polytetrafluoroethylene as the inner rubber layer of chemical rubber

Polytetrafluoroethylene (PTFE) is a consumer durable product with relatively low friction resistance among most additives. The PTFE molecular structure polished in the sliding friction process will produce a smooth film on the surface of the part. It has very good wettability and wear resistance in friction cutting, and PTFE is a very good additive in high load applications. This high load application includes hydraulic piston rings, hydraulic seals, thrust washers. Moderate polytetrafluoroethylene content is: 15% polytetrafluoroethylene for amorphous plastics and 20% polytetrafluoroethylene for crystalline plastics.  Mixed rubber is the main material for the company's development. Natural rubber is produced and processed on the secret formula developed by the company to make high-quality mixed rubber products. The rubber mixing rubber building, the experimental center, and the testing organization are established to ensure product quality. Improve manufacturing safety and environmental maintenance. Litong is not only based on the world's intelligent equipment manufacturers, but also contributes to the global 2025 intelligent manufacturing system, and promotes China's manufacturing industry to move towards high-end, high-end intelligent manufacturing in 2025, and national rejuvenation.  In order to better provide users with products with excellent performance, Litong accelerates the research and development of new products, actively attracts outstanding interdisciplinary talents, and devotes itself to the research and development of new materials. There are currently 55 professional and technical personnel with postgraduate or above. The research and development department cooperates with Qingdao University of Science and Technology Create a plastics research laboratory, enhance the school-enterprise alliance, persevere in R&D and innovation, continuously introduce new equipment, push new overall solutions for liquids, and create a first-class and complete team service. High-pressure steam pipes are mainly used for various steam transportation, reasonably ensuring that the steam is not refrigerated and turned into water. It is widely used in automobile manufacturing and power generation industry. When water is vaporized into steam in low temperature environment, it must be transmitted to diesel generator through high temperature steam plastic hose to generate electricity. If the plastic hose cannot be heated with high temperature steam and transported in reverse, the power generation capacity will be greatly reduced. In addition, high-pressure steam plastic hoses ensure the efficiency of the engine and are therefore widely used in the automotive industry.

 

Why do you have to choose high-quality brand-name manufacturers when using wear-resistant hoses? After the inferior wear-resistant hoses are installed in the pipeline, the stainless steel wire will bear uneven force, and under the action of material pressure, the empty weld will be The stainless steel wire will be broken preferentially, which will cause all the steel mesh sleeves to break, resulting in the invalidity of the wear-resistant hose outside, thus making all the wear-resistant hoses ineffective. In order to improve the quality of the welding seam, the pressure and air tightness test and the wear resistance test of the plastic hose should be carried out before leaving the factory. Under the low temperature environment and the normal temperature environment, the high temperature asphalt plastic hose has a great influence on the bonding strength. Some random carbon can improve the viscosity, proportion and reliability of bitumen, but beyond a certain standard, bitumen is very easy to age, and its low temperature performance is reduced. thus. When selecting modified asphalt and coal tar pitch, adjustments should be made according to their types. However, under the premise of improving the viscosity and heat resistance of the bitumen, add bitumen. Avoid bitumen ductility as much as possible.

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