The properties of nitrile rubber vary with the synthesis method of acrylonitrile and the content
2022-05-11 10:09:23
The performance of nitrile rubber varies with the polymerization method of acrylonitrile content, and its oil resistance is only second to that of polysulfide, acrylate and fluorine rubber. The vulcanizate without reinforcement and filling has no use value. The higher the content of acrylic cyanide, the better the oil resistance and the worse the low temperature performance; the silicone rubber maintains good elasticity in the range of -60C+250\'C, has good heat aging resistance, and has excellent electrical insulation, which is extremely difficult to manufacture and use. The main elastomer of 180C heat-resistant hose. 2009 was a milestone for Litong's rubber compounding business. Litong moved to a new factory in the Economic and Technological Development Zone and started the first fully automatic rubber compound production line (GK90E) fully developed for rubber compounds. At that time, the production of Litong rubber hose was in a stage of rapid growth.
Litong's own rubber compounds are for internal use only and are not intended for public sale. In the same year, the company started 6 Mayer wire mesh production lines in Germany, 1 OMA wire winding production line in Italy, and SEIJIN in Korea. There are 6 wire winding production lines and 2 industrial pipe production lines. With a history of 17 years, the company has also developed into a high-end manufacturer of high-quality rubber hoses recognized in the industry. The company has a fully automatic rubber mixing production line control room, a fully automatic rubber mixing production line, a German imported crimping machine, and a high-speed rail Mooney viscometer. He vulcanizer provides better technical support for production, and a more "scaled, systematic, intelligent and ecological" enterprise structure has become a reality. The advanced nature is the first in China. On this basis, the production efficiency of Litong has been improved, and the product performance has been greatly improved. In December 2017, a company in Zhejiang cooperated to purchase my oil pipeline, which currently produces 20 tons of crude oil per day. Products used in this project: kill pipe is 20000m/month, high pressure salon is 15000m/month. The hoses used before the cooperation have short service life, oil leakage, bursting and other problems. Recently, UPE kill tubes helped customers solve this problem, and the average service life of each tube increased by 30~45 days.
At present, oil pipelines used in offshore oilfields mainly rely on foreign manufacturers, which are not only expensive, but also difficult to be repaired in time in the event of an accident during use with the extension of time. Even emergency procurement requires a long time. Time can only be delivered, which seriously affects the development efficiency and benefits of oilfields. Oil pipes must take the road of independent research and development and manufacturing to support and guarantee my country's large-scale entry into offshore oil exploration and development.
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