India approves natural rubber as asphalt modifier in roads

ERJ staff report (DS)

New Delhi, India - The use of natural rubber modified bitumen has been specified by India's Ministry of Road Transport & Highways for binder courses and wearing courses laid on National Highways.

The Central Road Research Institute (CRRI) has tested the technology for use of modified bitumen including natural rubber modified bitumen in construction and maintenance of roads under Ministry's sponsored research scheme. According to the findings of the study, natural rubber modified bitumen improves the durability of roads by reducing susceptibility towards temperature variations and improving the desirable properties of bitumen thereby giving overall better performance.

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Press release from Indian Government

Rubber-mixed bitumen for roads The Hindu (India)