Performance Grades
Performance Grade (PG) bitumen is the most advanced form of asphalt binder classification, tailored to withstand real-world environmental conditions. Unlike older grading systems that rely solely on penetration or viscosity, PG bitumen is categorized by its performance under actual pavement temperatures, ensuring superior resilience across a wide range of climates. This system helps engineers choose the right binder based on the thermal extremes a road surface will face during its life cycle.
At Black Gold Company, we provide a full range of high-performance PG bitumen designed for both standard and extreme environmental conditions. Each grade is engineered to deliver optimal performance under specific temperature limits—resisting rutting in high heat and preventing cracking in cold weather. From highways in desert zones to roads in snowy highlands, our PG bitumen maintains strength, flexibility, and stability where it matters most.
Black Gold is committed to innovation and precision in bitumen formulation. Our PG bitumen products are developed using the latest technologies, including polymer modification and rigorous climate simulations. This allows us to offer binders that meet or exceed international Superpave performance standards. Whether you need PG 58-22 for cooler regions or PG 76-22 for high-load, high-temperature highways, we ensure consistency, durability, and exceptional service support at every stage of your project.
Applications of Performance Grade Bitumen
Performance Grade bitumen is ideal for demanding construction projects where weather extremes and traffic stress require premium reliability. Its precision grading allows engineers to tailor road performance for every unique environment.
Expressways and Motorways: High-temperature stability and rutting resistance for long-life pavements.
Cold Climate Roads: Enhanced flexibility to prevent cracking during freeze-thaw cycles.
Heavy-Duty Industrial Areas: Suitable for areas with frequent heavy-load traffic such as ports and logistics hubs.
High-Altitude and Coastal Zones: PG binders provide excellent thermal fatigue resistance in environments with wide temperature variations.
Performance Bitumen Analysis 22-58
| Test Title | Result | Standard range | TEST Method |
|---|---|---|---|
| Viscosity | 0.360 | Min: — – Max: 3pa.s | ASTM D4402 |
| Flash Point | 320 | Min: 230 c – Max: — | ASTM D92 |
| Original Dynamic Shear | 1.90 | Min: 1.90 – Max: 1.00 pa | ASTM D7175 |
Rolling Thin-Film Oven Test (RTFOT) (ASTM D2872)
| RTFO،Dynamic Shear | 2.47 | Min: 2.20 K Pa – Max: — | ASTM D7175 |
| RTFO،Percent change of mass | 0.038 | Min: — – Max: 1.00% | ASTM D2872 |
Pressure Aging Vessel (PAV) (ASTM D 6521)
| PAV،Dynamic Shear | 3016 | Min: — – Max: 5000 k Pa | ASTM D7175 |
| BBR،Creep Stiffness | 99.00 | Min: — – Max: 300 M Pa | ASTM D6648 |
| BBR،m-value | 0.318 | Min: 0.3 – Max: — | ASTM D6648 |
Performance Bitumen Analysis 16-64
| Test Title | Result | Standard range | TEST Method |
|---|---|---|---|
| Viscosity | 0.390 | Min: — – Max: 3pa.s | ASTM D4402 |
| Flash Point | 322 | Min: 230 c – Max: — | ASTM D92 |
| Original Dynamic Shear | 1.47 | Min: 1.00 pa – Max: — | ASTM D7175 |
Rolling Thin-Film Oven Test (RTFOT) (ASTM D2872)
| RTFO،Dynamic Shear | 2.38 | Min: 2.20 K Pa – Max: — | ASTM D7175 |
| RTFO،Percent change of mass | 0.090 | Min: — – Max: 1.00% | ASTM D2872 |
Pressure Aging Vessel (PAV) (ASTM D 6521)
| PAV،Dynamic Shear | 3941 | Min: — – Max: 5000 k Pa | ASTM D7175 |
| BBR،Creep Stiffness | 12.00 | Min: — – Max: 300 M Pa | ASTM D6648 |
| BBR،m-value | 0.317 | Min: 0.3 – Max: — | ASTM D6648 |
Performance Bitumen Analysis 22-64
| Test Title | Result | Standard range | TEST Method |
|---|---|---|---|
| Viscosity | 0.390 | Min: — – Max: 3pa.s | ASTM D4402 |
| Flash Point | 322 | Min: 230 c – Max: — | ASTM D92 |
| Original Dynamic Shear | 1.47 | Min: 1.00 pa – Max: — | ASTM D7175 |
Rolling Thin-Film Oven Test (RTFOT) (ASTM D2872)
| RTFO،Dynamic Shear | 2.38 | Min: 2.20 K Pa – Max: — | ASTM D7175 |
| RTFO،Percent change of mass | 0.090 | Min: — – Max: 1.00% | ASTM D2872 |
Pressure Aging Vessel (PAV) (ASTM D 6521)
| PAV،Dynamic Shear | 3941 | Min: — – Max: 5000 k Pa | ASTM D7175 |
| BBR،Creep Stiffness | 12.00 | Min: — – Max: 300 M Pa | ASTM D6648 |
| BBR،m-value | 0.317 | Min: 0.3 – Max: — | ASTM D6648 |
Performance Bitumen Analysis 10-70
| Test Title | Result | Standard range | TEST Method |
|---|---|---|---|
| Viscosity | 0.550 | Min: — – Max: 3pa.s | ASTM D4402 |
| Flash Point | 321 | Min: 230 c – Max: — | ASTM D92 |
| Original Dynamic Shear | 1.48 | Min: 1.00 pa – Max: — | ASTM D7175 |
Rolling Thin-Film Oven Test (RTFOT) (ASTM D2872)
| RTFO،Dynamic Shear | 2.39 | Min: 2.20 K Pa – Max: — | ASTM D7175 |
| RTFO،Percent change of mass | 0.058 | Min: — – Max: 1.00% | ASTM D2872 |
Pressure Aging Vessel (PAV) (ASTM D 6521)
| PAV،Dynamic Shear | 3847 | Min: — – Max: 5000 k Pa | ASTM D7175 |
| BBR،Creep Stiffness | 110.00 | Min: — – Max: 300 M Pa | ASTM D6648 |
| BBR،m-value | 0.324 | Min: 0.3 – Max: — | ASTM D6648 |
Performance Bitumen Analysis 10-76
| Test Title | Result | Standard range | TEST Method |
|---|---|---|---|
| Viscosity | 0.880 | Min: — – Max: 3pa.s | ASTM D4402 |
| Flash Point | 338 | Min: 230 c – Max: — | ASTM D92 |
| Original Dynamic Shear | 1.50 | Min: 1.00 pa – Max: — | ASTM D7175 |
Rolling Thin-Film Oven Test (RTFOT) (ASTM D2872)
| RTFO،Dynamic Shear | 2.46 | Min: 2.20 K Pa – Max: — | ASTM D7175 |
| RTFO،Percent change of mass | 0.038 | Min: — – Max: 1.00% | ASTM D2872 |
Pressure Aging Vessel (PAV) (ASTM D 6521)
| PAV،Dynamic Shear | 4135 | Min: — – Max: 5000 k Pa | ASTM D7175 |
| BBR،Creep Stiffness | 81.00 | Min: — – Max: 300 M Pa | ASTM D6648 |
| BBR،m-value | 0.319 | Min: 0.3 – Max: — | ASTM D6648 |
*To download the above tables as a PDF, please click here.
