Natural Rubber (NR)

Natural Rubber (NR)Description:

Natural product extracted from hevea brasiliensis; the cultivation is done on plantations in Malaysia, Indonesia, Kenia and Brasil. The extraction process includes the drawing of latex, the coagulation, the washing and the drying. NR is comparable to polyisoprene. The chemical and the mechanical properties as well as the resistance to weather can be improved by cross-linking the polymer chains with sulfur (vulcanisation). NR is more unsaturated than BR and contains less methyl groups, therefore it is twenty times more permeable to air than BR. The combination of properties found in NR cannot be generated synthetically, however every single property can be improved by synthetic rubber.


Wide-coverage application for a huge number of synthetics.


Natural Rubber

Elastomer, Thermoset

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Dr. Andreas Konrad
Dr. Andreas Konrad

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