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Bitumen 58 – 22
Bitumen Specification
Performance Grade (P.G) Analysis
(ASTM D6373)
| Original | |||||
| Test Method | Specifications | Unit | Result | Acceptable Range | |
| Pass | Fail | ||||
| Dynamic Shear Rheometer (D.S.R) ASTM D7175 | Temperature | °c | 58 | ||
| Phase angle (δ) | ° | 87.1 | |||
| G* | Kpa | 1.53 | |||
| │G*│/sinδ | Kpa | 1.53 | Min 1.0 | ||
| Rotational Viscometer (R.V) ASTM D4402 | at 135°c | Pa.s | 0.26 | Max 3 | |
| Penetration ASTM D5 | at 25°c | 0.1mm | 86 | ||
| Rolling Thin Film Oven (R.T.F.O) ASTM D2872 | |||||
| Dynamic Shear Rheometer (D.S.R) ASTM D7175 | Temperature | °c | 58 | ||
| Phase angle (δ) | ° | 86.1 | |||
| G* | Kpa | 2.8 | |||
| │G*│/sinδ | Kpa | 2.8 | Min 2.2 | ||
| Pressure Aging Vessel (P.A.V) ASTM D6521 | |||||
| Dynamic Shear Rheometer (D.S.R) ASTM D7175 | Temperature | °c | 25 | ||
| Phase angle (δ) | ° | 50.5 | |||
| G* | Kpa | 3850 | |||
| │G*│/sinδ | Kpa | 2940 | Max 5000 | ||
| Bending Beam Rheometer (B.B.R) ASTM D6648 | (Temperature) | °c | -22 | ||
| m-Value | 0.31 | Min 0.3 | |||
| Stiffness | M.pa | 137 | Max 300 | ||