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Sasol Wax >  Applications  > Bitumen Modification  > Europe  > Sasobit Technology  > Rolled Asphalt
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Rolled Asphalt

The long-term stability of rolled asphalt is markedly improved by the addition of Sasobit®. Rut formation is prevented or minimised. The risk of aquaplaning is reduced. Accidents are avoided.
In short, Sasobit® improves road safety.

The reduction in the viscosity of the asphalt mix means:

Improved compactibility. In some circumstances compaction is possible down to temperatures as low as 100° C.
A marked increase in the degree of compaction for the same roller loading.
Good compaction means longer service life.
A reduction in emissions e.g. bitumen fumes and aerosols.
Energy savings through temperature reductions of 20 to 30° C and also a decrease in damaging
CO2 emissions.
Physical Properties of SMB Blends Compared to Basic Bitumen


30 / 45

SmB 25

50/70

SmB 35

70/100

SmB 45

Penetration @ 25 °C

[dmm] 30-45 20-35 50-70 30-50 70-100 35-55

CP Ring & Ball

[°C] 53-59 80-90 48-54 75-85 43-49 70-80

Flashpoint

[°C] 240 240 230 230 230 230

Breakpoint according
to Fraass

[°C]

-5 -5 -8 -8 -10 -10

 

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