Precautions for using EPDM rubber
2022-03-30 15:03:32
EPDM has a wide range of uses, such as tire rubber strips and inner tubes, as well as auto parts, as well as wire and cable sheathing and high-voltage and ultra-high-voltage insulation materials. It can also be used to make light-colored products such as shoes and hygiene products. When EPDM rubber is used for rubber products with strict weather resistance requirements, it is necessary to select rubber compounds with low dihydroxy content to prolong the service life of rubber products. Rubber hoses have their limitations. One of the problems is bubbling of the inner tube. Foaming is caused by fluid seeping into the rubber core tube over time. When the pressure is released quickly, the fluid will try to escape quickly and damage the rubber core tube, causing blisters, which in turn cause leak paths in the core tube.
Litong Hydraulics has developed high pressure hoses specifically for subsea applications. The core tube is made of nylon, time- and field-proven for use in subsea applications, and chemically compatible with subsea control fluids. Since the establishment of the company in 2003, Litong has been listed on the New Third Board through hard work and continuous innovation. Going beyond the uniformity of contracts for military products. Qualification review, the establishment of Litong Europa branch, the establishment of the barrier-free excavator Internet platform, the establishment of the Qingdao Research Institute, and have been rated as "Top Ten Companies in China" for many consecutive years. Litong will continue to maintain this honor and continue to improve and innovate , strive to do better. Here, according to the feedback from customers, we summarize the requirements for the use of concrete conveying hoses for reference by customers and friends: 1. For the wall thickness of concrete hoses, especially the parts that wear quickly, the safety requirements are higher. 2. When the working pressure is above 1MPa, during high-pressure construction, the wall thickness of the conveying pipe near the pump outlet is 4.3mm, and the wall thickness of the connection between the pouring site and the distribution pipe should not be less than 3.5mm. mm.
Corrosion-resistant chemical hoses Many people use silicone rubber with very good heat resistance to make heating ducts. Silicone rubber has very good heat resistance and is suitable for the environment of heating ducts, but silicone rubber is difficult to operate, especially when the pressure is very high. The silicone rubber has poor tear resistance and cannot withstand high pressure. In fact, the heating duct can be made of neoprene, which is resistant to corrosion, dry heat, easy to operate, and has certain flame retardant properties and long service life. Heater ducts are commonly used spare parts for various models. Luohe Litong Hydraulic Technology Co., Ltd. has 18 years of history in the field of production, research and development and sales of rubber hoses and fluid connectors. It is a recognized high-quality rubber hose manufacturing and service enterprise in the industry. The stable product quality and good reputation have won it the honorary title of "Top Ten Hose Enterprises in China" issued by the China Rubber Industry Association Hose and Tape Branch for 9 consecutive years. The company has 400 employees, including 80 R&D team members, 55 professors, doctoral tutors, and 55 master's degree or above technical personnel. It has completed 16 provincial and prefecture-level scientific research projects, and has 14 invention patents and 17 utility model patents. 9 provincial scientific and technological achievements. Litong has established a CNAS certification laboratory - Henan High-Pressure Rubber Hose Engineering Technology Research Center, and jointly established Litong Qingdao Research Institute with Qingdao University of Science and Technology.
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