Bitumen 60/90

1. The depth of needle penetration 0,1mm, not less than
at 25°C 61-90
at 0°C 20

2. Melting point by ring in sphere, °C; not less than - 47

3. Extensibility, sm, not less than

at 25°C 55
at 0°C 3.5

4. Fragility temperature, °C, not higher than -15

5. Changes of the softening temperature after heating up, °C, not more than 5

6. Flash point, °C, not less than 230

7. Mass portion of water-soluble compounds, %, not more 0.30

8. Penetration index -1.0 to +1.0