Bulgaria Airport Pavement
Two airports in Bulgaria choose modified asphalt for durability
Bulgaria Airport Pavement with Elvaloy® RET
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An international airport in Sofia and a military airport in Graf Ignatievo, both in Bulgaria, had their runways repaved with polymer modified bitumen (PMB) containing Elvaloy® RET. Local temperatures range from -20°C - +40°C. DuPont's asphalt modifier was chosen by contractor PSI for its excellent resistance to fuels and rutting.