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Description Of Bitumen C450

Bitumen C450 is a paving grade bitumen manufactured to comply with AS2008 Table 2.2 and is suitable for use in heavily trafficked asphalt.

Applications Of Bitumen C450

Bitumen C450 was originally a development from the Roads and Maritime Services in New South Wales and was incorporated into the 2012 revision of the national bitumen standard AS2008. Viva Bitumen C450 has been formulated to meet the viscosity requirements of AS2008 Table 2.2 whilst retaining excellent asphalt workability characteristics. The target applications are asphalt wearing courses and basecourses for heavily trafficked pavements.

Asphalt recommendations

Mixing Temperature Holding time at Mixing Temperature Medium term storage temperature Medium term storage time Maximum safe handling temperature
165-175°C 14 days   130-150°C   30 days 190°C

Health & Safety

Bitumen C450 is unlikely to present any significant health or safety hazard when properly used in the recommended application where good standards of industrial practice are maintained.

Typical characteristics

Description Units Methods Typical Typical
Viscosity at 60° after RTFOT Pa.s AS 2341.2 750 – 1150
Viscosity at 135° Pa.s AS 2341.2 0.7 max
Pen at 25° after RTFOT dmm AS 2341.12 min 26
Flashpoint °C AS 2341.14 min 250
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