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karet sintetis jembatan bantalan kebumen
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23 Aug 2020
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synthetic rubber bridge bearing kebumenRubber Bridge PadsSynthetic rubber / synthetic rubber began to be developed since the demand for natural rubber as raw material was no longer able to meet demand. This synthetic rubber also arises because of the need for higher quality rubber and the need for more competitive rubber prices.Facing the growing need for quality rubber products and increasingly competitive conditions, a German company, Bayer & Co with chemists at the time Fritz Hofman had succeeded in developing synthetically produced rubber in 1909.Fritz Hofman together with Bayer & Co. starting from 1906 began to develop in accordance with the needs of various industries at that time such as the need for rubber products that are heat resistant, oil resistant and many more advantages needed, and in less than three years namely in 1909 they have patented research results and the design is "Procedure for the manufacture of synthetic rubber" / procedure for making synthetic rubber. And 1 century later, on September 12, was designated as the World Rubber Day.At present more than 20 types of synthetic rubber / synthetic rubber are on the world market, made from raw materials derived from petroleum, coal, oil, natural gas and acetylene. Synthetic rubber is commonly called a copolymer, a polymer consisting of more than one monomer bond

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