What Is PG 64-16 Bitumen?

PG 64-16 is a Performance Grade (PG) bitumen designed according to the Superpave (Superior Performing Asphalt Pavements) system. The numbers indicate the extreme pavement temperatures this binder can handle:

• “64” means the binder can withstand maximum pavement temperatures up to +64°C without rutting or permanent deformation.

• “-16” means the binder remains flexible at temperatures as low as -16°C, minimizing the risk of thermal cracking.

This grade is engineered for hotter climates compared to PG 58-22 and is commonly used in regions with high summer temperatures and moderate winters.

Typical Applications

PG 64-16 is ideal for infrastructure exposed to high traffic or high ambient temperatures, including:

• Highways and expressways

• Urban roads with frequent stops and starts

• Bus lanes and industrial zones

• Airport runways and cargo terminals

• Regions with extended hot seasons

Performance Characteristics

• 🔸 Enhanced High-Temperature Stability: Effectively resists rutting and bleeding in hot weather.

• 🔸 Good Low-Temperature Flexibility: Suitable for climates that experience mild to moderate winters.

• 🔸 Excellent Load-Bearing Capacity: Performs well under heavy or slow-moving traffic.

• 🔸 Resistant to Aging: Maintains elasticity and adhesion over time.

Technical Specifications (Typical Values)

Specifications can vary slightly by supplier or refining method.

Advantages of PG 64-16 Bitumen

• ✅ Ideal for Hotter Climates

• ✅ Improves Resistance to Rutting

• ✅ Reliable in Heavy Traffic Conditions

• ✅ Compatible with Polymer Modification if Needed

• ✅ Performs Well in Urban and Industrial Areas

Conclusion

PG 64-16 bitumen is a performance-graded binder specially formulated for warmer climates and high-traffic applications. It ensures long-lasting pavement durability, resistance to deformation, and stable performance across a range of demanding environments.