Requirements for Asphalt Cement, Viscosity Graded USA D3381-92 (1999)USA D3381 – 92 (1999) Requirements for Asphalt Cement, Viscosity Graded at 140º F (60º C) | Note: Grading based on original asphalt. |
Test | Viscosity Grade | AC – 2.5 | AC - 5 | AC - 10 | AC - 20 | AC - 40 | Viscosity, 140º F (60ºC), P | 250 ± 50 | 500 ± 100 | 1000 ± 200 | 2000 ± 400 | 4000 ± 800 | Viscosity, 275º F (135ºC), min., cSt | 80 | 110 | 150 | 210 | 300 | Penetration, 77º F (25ºC), 100 g, 5 s, min. | 200 | 120 | 70 | 40 | 20 | Flash point, Cleveland open cup, min. º F (ºC) | 325 (163) | 350 (177) | 425 (219) | 450 (232) | 450 (232) | Solubility in trichloroethylene, min., % | 99.0 | 99.0 | 99.0 | 99.0 | 99.0 | Tests on residue from thin-film oven test: Viscosity, 140º F (60ºC), max., P Ductility, 77º F (25ºC), 5 cm/min., min., cm | 1250 ¹100 | 2500 100 | 5000 50 | 10000 20 | 20000 10 | ¹ If ductility is less than 100, material will be accepted if ductility at 60º F (15.5º C) is 100 minimum at a pull rate of 5 cm/min. |
Requirements for Asphalt Cement, Viscosity Graded at 140º F (60º C) | Note: Grading based on residue from rolling thin-film oven test. |
Tests on Residue from Rolling Thin-Film Oven Test:ª | Viscosity Grade | AR - 1000 | AR - 2000 | AR - 4000 | AR - 8000 | AR - 16000 | Viscosity, 140º F (60ºC), P | 1000 ± 250 | 2000 ± 500 | 4000 ± 1000 | 8000 ± 2000 | 16000 ± 4000 | Viscosity, 275º F (135ºC), min., cSt | 140 | 200 | 275 | 400 | 550 | Penetration, 77º F (25ºC), 100 g, 5 s, min. | 65 | 40 | 25 | 20 | 20 | % of original penetration, 77º F(25ºC), min. | - | 40 | 45 | 50 | 52 | Ductility, 77º F (25ºC), 5 cm/min., min., cm | b100 | b100 | 75 | 75 | 75 | Tests on original asphalt: Flash point, Cleveland open cup, min., ºF (ºC) Solubility in trichloroethylene, min., % | 400 (205) 99.0 | 425 (219) 99.0 | 440 (227) 99.0 | 450 (232) 99.0 | 460 (238) 99.0 | ª Thin-film oven test may be used but the rolling thin-film oven test shall be the referee method. b If ductility is less than 100, material will be accepted if ductility at 60º F (15.5º C) is 100 minimum at a pull rate of 5 cm/min. |
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