Abstract
This study aims to optimize the formulation of natural rubber (Hevea brasiliensis) into a compound for applications in military vehicles when passing through various field conditions. Natural rubber types SIR 20 and RSS 1 were used with Carbon Black types N220 and N550 as fillers. In this study, samples that were both normal and samples that had aged for 72 hours at 70°C were created. The results showed that the mixture of RSS 1 - CB N220 (i.e., 100 phr–75 phr) influenced strength and stiffness. The physical and mechanical properties of the specimens, including curing time, tensile strength, tear strength, elongation at break, and compression set had been defined. By utilizing the resulting mechanical characteristics, rubber compounds are optimized to meet the specific requirements of airless tires, including durability, comfort, and performance. It is anticipated to create an airless tire that provides essential performance while reducing the risk of punctures and flats.
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