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The effect of rubber and synthetic wax on the selected properties of bitumen 50/70

Iwański M., Orzechowski R.

Structure and Environment

2014

Vol. 6, no. 2

5--10

This article presents the results and the analysis of the study of the impact of rubber and synthetic wax on the properties of bitumen 50/70 with an addition of 5÷20% of granular rubber and 1÷2% of synthetic wax. The tests conducted within the study measured penetration, softening point, Fraass breaking point, elastic recovery and dynamic viscosity. Based on the study, the penetration index and the plasticity temperature range were calculated. The results show that the rubber modified with synthetic wax significantly improves the properties of bitumen 50/70.