CONVENTIONAL BITUMEN
The most common type of bitumen obtained from the refining of crude oil.
We offer the following grades of conventional bitumen: 50/70, 60/90, 70/100, 85/100, 160/220, 90/130.
The most common type of bitumen obtained from the refining of crude oil.
We offer the following grades of conventional bitumen: 50/70, 60/90, 70/100, 85/100, 160/220, 90/130.
| No. TEST DESCRIPTION | METHOD | PENETRATION GRADE | |||||
|---|---|---|---|---|---|---|---|
| 50/70 | 60/90 | 70/100 | 85/100 | 160/220 | |||
| 1 | Penetration at 25°C, 0.1 mm | ASTM D5 / EN 1426 | 50/70 | 60/90 | 70/100 | 85/100 | 160/220 |
| 2 | Softening point, °C | ASTM D36 / EN1427 | ≥ 40 | ≥ 47 | 43-51 | ≥ 40 | 35-43 |
| 3 | Flash point, °C | ASTM D92 / EN ISO 2592 | ≥ 220 | ≥ 230 | ≥ 230 | ≥ 220 | ≥ 220 |
| 4 | Elastic recovery at 25°C, % | ASTM D6084 / EN 13398 | NR | NR | NR | - | - |
| 5 | Storage stability/ Separation test, max | EN 13399 | - | NR | NR | ||
| After RTFOT | |||||||
| 6 | Retained penetration, % | ASTM D5 / EN 1426 | ≥ 55 | ≥ 50 | ≥ 46 | ≥ 55 | ≥ 37 |
| 7 | Softening point, °C | ASTM D36 / EN1427 | ≤ 9 | NR | ≤ 9 | - | - |
| 8 | Elastic recovery at 25°C, % | ASTM D6084 / EN 13398 | NR | NR | NR | - | - |
| Rolling thin film oven | |||||||
| 9 | Mass loss, max % | ASSHTO T240 / ASTM D2872 EN 12607-1 | ≤ 1 | ≤ 0 | ≤ 0.8 | ≤ 1 | ≤ 1 |
| No. TEST DESCRIPTION | VALUE ACC. TO NORMATIVE DOCUMENT | |
|---|---|---|
| 1 | Penetration, 0.1 mm at 25°C at 0°C, min | 91-130 28 |
| 2 | Softening point (Ring & Ball method), °C, min | 43 |
| 3 | Ductility, cm, min at 25°C at 0°C | 65 4.0 |
| 4 | Breaking point, °C, max | Minus 17 |
| 5 | Flash point at open cup, °C, min | 230 |
| 6 | Change of softening point after heating, °C, max | 5 |
| 7 | Penetration index | From -1.0 to +1.0 |
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