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Road bitumen
Bitumen 20/30
This bitumen is designated for producing all bituminous layers of road pavements in "hot" technology, and primarily for the production of asphalt concrete of a high stifness module (BA WMS) which is applied as a base course layer and a binding road pavement.
Bitumen may be utilized as the base for producing cast bitumen.
Specification
| Penetration at 25°C, 1/10 mm | 20-30 |
| Softening point, °C, | 55-63 |
| Flash-point °C, min | 240 |
| Fraas breaking point, °C, max | -5 |
| Solubility, % m/m, min | 99 |
| After ageing RTFOT | |
| Mass change, % m/m, max | 0,5 |
| Other penetration, %, min | 55 |
| Growth of a softening point, °C, max | 8 |