Technical Review

Falken unveils its new “Reduced Odour Natural Rubber”

After successfully identifying the factors that cause natural rubber to produce its characteristic smell, Sumitomo Rubber Industries (SRI) has developed a ‘Reduced Odour Natural Rubber,’ (RONR) a new type of natural rubber that releases significantly less odour. Thanks to the introduction of a proprietary raw material processing technique at the SRI’s plant in Thailand, its new ‘Reduced Odour Natural Rubber,’ achieves a significant reduction in odour by suppressing the breakdown of odour-causing non-rubber components (such as proteins and lipids) that are found within natural rubber in its raw material state. “The implementation of this new technique represents a major step toward solving long-standing odour issues, not just at natural rubber processing plants, but also at tire factories and other sites where natural rubber is handled,” says Sumitomo Rubber Europe GmbH’s Dr. Bernd Löwenhaupt. Sumitomo is currently moving forward with other proactive efforts aimed at finding pioneering solutions to improve tire performance and a greater overall environmental awareness, such as modifying natural rubber’s properties and making greater use of biomass materials.

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