Performance Grade(PG)
Performance Grade | PG-52 | PG-58 | PG-64 | PG-70 | PG-76 |
---|---|---|---|---|---|
Average 7-day maximum pavement design temperature, °C | <52 | <58 | <64 | <70 | <76 |
Original Binder | |||||
Flash point temp, T 48 , minimum ,°C | 230 | 230 | 230 | 230 | 230 |
Viscosity, T 316 ,maximum 3 Pas, test temp,°C | 135 | 135 | 135 | 135 | 135 |
Dynamic shear,T 315 , minimum 1.00 kPa, test temp @ 10 rad/s, °C | 52 | 58 | 64 | 70 | 76 |
Rolling Thin-Film Oven Residue (T 240) | |||||
Mass Change,maximum,percent | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 |
Dynamic shear,T 315 , minimum 2.20 kPa, test temp @ 10 rad/s, °C | 52 | 58 | 64 | 70 | 76 |
Pressure Aging Vessel (R 28 ) | |||||
PAV aging temperature,°C | 90 | 100 | 100 | 110 | 110 |