Performance Grade
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Performance Grade Bitumen is the Latest Standard of bitumen. It is new method bitumen standard which based on varying temperatures. This method studies the mechanical specifications of bitumen. Since in this method, a temperature range is defined for bitumen, the consumer can easily choose the desired product. Performance Grade determined for polymer modified bitumen and pure bitumen based on environmental conditions and temperature. The wider PG Grades Range the higher resistance and more favorable specifications.
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Bitumen Specification 58 – 22
Performance Grade (P.G) Analysis
(ASTM D6373)
| Original | |||||
| Acceptable Range | Result | Unit | Specifications | Test Method | |
| Fail | Pass | ||||
| 58 | °c | Temperature | Dynamic Shear Rheometer (D.S.R) ASTM D7175 | ||
| 87.1 | ° | Phase angle (δ) | |||
| 1.53 | Kpa | G* | |||
| Min 1.0 | 1.53 | Kpa | │G*│/sinδ | ||
| Max 3 | 0.26 | Pa.s | 135°c at | Rotational Viscometer (R.V) ASTM D4402 | |
| 86 | 0.1mm | at 25°c | Penetration ASTM D5 | ||
| Rolling Thin Film Oven (R.T.F.O) ASTM D2872 | |||||
| 58 | °c | Temperature | Dynamic Shear Rheometer (D.S.R) ASTM D7175 | ||
| 86.1 | ° | phase angle (δ) | |||
| 2.8 | Kpa | G* | |||
| Min 2.2 | 2.8 | Kpa | │G*│/sinδ | ||
| Pressure Aging Vessel (P.A.V) ASTM D6521 | |||||
| 25 | °c | Temperature | Dynamic Shear Rheometer (D.S.R) ASTM D7175 | ||
| 50.5 | ° | phase angle (δ) | |||
| 3850 | Kpa | G* | |||
| Max 5000 | 2940 | Kpa | │G*│× sinδ | ||
| -22 | °c | (Temperature) | Bending Beam Rheometer (B.B.R) ASTM D6648 | ||
| Min 0.3 | 0.31 | m-Value | |||
| Max 300 | 137 | M.pa | Stiffness | ||
Bitumen Specification 64 – 16
Performance Grade (P.G) Analysis
(ASTM D6373)
| Original | |||||
| Acceptable Range | Result | Unit | Specifications | Test Method | |
| Fail | Pass | ||||
| 64 | °c | Temperature | Dynamic Shear Rheometer (D.S.R) ASTM D7175 | ||
| 86.4 | ° | Phase angle (δ) | |||
| 1.15 | Kpa | G* | |||
| Min 1.0 | 1.16 | Kpa | │G*│/sinδ | ||
| Max 3 | 0.32 | Pa.s | 135°c at | Rotational Viscometer (R.V) ASTM D4402 | |
| 68 | 0.1mm | at 25°c | Penetration ASTM D5 | ||
| Rolling Thin Film Oven (R.T.F.O) ASTM D2872 | |||||
| 64 | °c | Temperature | Dynamic Shear Rheometer (D.S.R) ASTM D7175 | ||
| 87.1 | ° | phase angle (δ) | |||
| 2.18 | Kpa | G* | |||
| Min 2.2 | 2.21 | Kpa | │G*│/sinδ | ||
| Pressure Aging Vessel (P.A.V) ASTM D6521 | |||||
| 25 | °c | Temperature | Dynamic Shear Rheometer (D.S.R) ASTM D7175 | ||
| 54 | ° | phase angle (δ) | |||
| 5460 | Kpa | G* | |||
| Max 5000 | 4420 | Kpa | │G*│× sinδ | ||
| -16 | °c | (Temperature) | Bending Beam Rheometer (B.B.R) ASTM D6648 | ||
| Min 0.3 | 0.36 | m-Value | |||
| Max 300 | 83.3 | M.pa | Stiffness | ||
Bitumen Specification 70 – 16
Performance Grade (P.G) Analysis
(ASTM D6373)
| Original | |||||
| Acceptable Range | Result | Unit | Specifications | Test Method | |
| Fail | Pass | ||||
| 70 | °c | Temperature | Dynamic Shear Rheometer (D.S.R) ASTM D7175 | ||
| 85.3 | ° | Phase angle (δ) | |||
| 1.08 | Kpa | G* | |||
| Min 1.0 | 1.08 | Kpa | │G*│/sinδ | ||
| Max 3 | 0.5 | Pa.s | 135°c at | Rotational Viscometer (R.V) ASTM D4402 | |
| 42 | 0.1mm | at 25°c | Penetration ASTM D5 | ||
| Rolling Thin Film Oven (R.T.F.O) ASTM D2872 | |||||
| 70 | °c | Temperature | Dynamic Shear Rheometer (D.S.R) ASTM D7175 | ||
| 82.4 | ° | phase angle (δ) | |||
| 2.31 | Kpa | G* | |||
| Min 2.2 | 2.3 | Kpa | │G*│/sinδ | ||
| Pressure Aging Vessel (P.A.V) ASTM D6521 | |||||
| 31 | °c | Temperature | Dynamic Shear Rheometer (D.S.R) ASTM D7175 | ||
| 54.4 | ° | phase angle (δ) | |||
| 4700 | Kpa | G* | |||
| Max 5000 | 4000 | Kpa | │G*│× sinδ | ||
| -16 | °c | (Temperature) | Bending Beam Rheometer (B.B.R) ASTM D6648 | ||
| Min 0.3 | 0.31 | m-Value | |||
| Max 300 | 72 | M.pa | Stiffness | ||
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