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Improving Asphalt Pavement Performance

Longer-lasting pavement

We need resilient roads. Smooth roads. Crack-resistant roads. For transportation infrastructure exposed to temperature swings and heavy wheel loads, these features are critical. Wherever longer-lasting pavement or greater smoothness and traction safety is needed, ELVALOY™ Reactive Elastomeric Terpolymer (RET) delivers.

ELVALOY™ RET creates a permanently improved bitumen-based binder, delivering long-lasting performance in well-engineered pavements – meaning it can provide a higher total value from its extended service life and reduce the need to disrupt traffic prematurely.

How has ELVALOY RET been applied?

  • Smoother, longer-lasting airport runways: runways, taxiways and related pavements have been built in Mexico, Russia and the Czech Republic.
  • Expressways in growing economies: key highways around the world are handling commercial and automobile traffic better and longer thanks to improved binder performance.
  • Safer intersections: asphalt paving stays smoother and safer at intersections, where the forces causing rutting are often greatest.
  • Damage-resistant pavement: asphalt modifier creates a better binder at the molecular level, which helps make pavements more resistant to fuels and deformation.

ELVALOY RET adjusts to your climate

Base asphalt properties vary from source to source. Local binder suppliers can pre-test their base asphalt in a lab setting, to determine optimum addition rates for ELVALOY RET. After modification, the new binder will typically meet higher performance specs. Read more about testing local asphalt.

Asphalt success stories

Reduced Rutting in Hot Climates  
India's GVK Desert Zone Expressway 
GVK Expressway (Jaipur to Kishangarh) in the State of Rajasthan is located in a high-temperature desert zone, with sections subject to heavy traffic.
A Key Brasil Transportation Corridor  
Rodovia Anhangüera (SP-330), a 4-lane toll highway, connects São Paulo with the state's hotter northern areas.

Reducing Cold Cracking  
Fighting the freeze in Russia 

A landing strip, ramp, taxiways and a drainage system were reconstructed using RET at Magadan Airport.

Challenging Canadian winters  
Pavements made with different modifiers were tested side-by-side in Timmins, Ontario, where winter temperatures reached 50-year lows.  
Fighting the causes of pavement cracks
Managing Hot-Cold Range Extremes  
Outlasting Others in a High Desert Climate 
Oregon "high desert" highway sections built in 1991 using ELVALOY RET outlasted all other modified binder sections, in a service environment marked by heavy truck traffic and severe temperature cycles.
Montana Maintenance Costs Reduced  
Project engineers wanted all the temperature range they could get, to fight cracking and rutting with a better-built pavement.

These are a few of the places around the world ELVALOY RET has improved infrastructure, but we are far from finished. Let’s discuss your unique pavement challenge.