Bitumen Class 450

Bitumen Class 450 or C450, is a viscosity-graded bitumen with a viscosity of 450 Poise at 60°C. It is one of the hardest and most viscous bitumen grades available, designed for use in extreme conditions that require the highest resistance to deformation, such as heavy traffic, industrial use, and warm climates.

Appearance: Black solid or a viscous liquid
Standards: AS 2008-2013
HS Code: 27132000

Package: Bitumen are packed in

New Steel Drums of 200Kg / 180Kg / 156Kg / Customized
Jumbo Bags of 1Ton

Bitumen Class 450 (AS 2008-2013) - Technical Specifications

Properties	Units	Limits	Test Methods
Absolute viscosity at 60°C	P	Report	ASTM D2171
Kinematic viscosity at 135°C	cSt	Max. 0.7	ASTM D2170
Penetration @25°C (77°F), 100gm, 5sec	0.1MM	Report	ASTM D5
Flash Point	°C	Min 250	ASTM D92
Matter insoluble in toluene	%Wt	Max. 1.0	ASTM D4072
After Rolling Thin-Film Oven Test (RTFO)			ASTM D1754
Viscosity of residue at 60°C (% of original)	Pa.s	Max 300	ASTM D2171
Penetration at 25°C	0.1 mm	Min. 26	ASTM D5
Viscosity at 60°C	Pa.s	750-1150	ASTM D2171

*As per Australian Standards AS 2008-2013

Main Applications Of Bitumen Class 450

The main applications of Bitumen Class 450 involve heavy-duty infrastructure that requires high resistance to deformation and durability under extreme conditions. Its high viscosity (450 Poise at 60°C) makes it one of the stiffest bitumen grades, suited for environments with heavy traffic, industrial loads, and high temperatures.

Highways and Freeways: Used in the construction of high-traffic highways, freeways, and arterial roads, where the pavement must endure constant stress from heavy vehicles, providing excellent resistance to rutting and surface deformation.
Industrial Roads: Ideal for industrial areas, ports, and warehousing zones, where roads need to handle the continuous movement of heavy trucks and industrial machinery. The stiffness of Class 450 bitumen ensures it withstands these heavy loads without deforming.
Warm Climate Regions: Applied in hot climate areas where temperatures frequently rise, as Class 450 bitumen maintains its stability and resists softening, preventing pavement deformation even under extreme heat.
Airport Runways and Taxiways: Widely used in airports, especially for runways, taxiways, and aircraft parking aprons, which experience heavy loads and stresses from aircraft operations. Its high viscosity ensures the pavement remains stable under these intense conditions.
Heavy-Duty Pavements: Applied in truck stops, bus depots, freight terminals, and parking lots for heavy vehicles, where the constant braking, accelerating, and turning can create significant stress on the pavement. Class 450 resists cracking and rutting in these environments.
High-Stress Road Areas: Suitable for areas with concentrated traffic stress, such as roundabouts, intersections, and steep gradients, where constant stopping and turning can lead to surface damage. Class 450 bitumen provides the strength needed to maintain road integrity.

Bitumen Class 450 is primarily used for high-traffic roads, industrial pavements, and airport infrastructure, where high load resistance and temperature stability are essential. Its stiffness and superior resistance to rutting and deformation make it ideal for use in heavy-duty applications and warm climate regions.

Various Packing Method for Bitumen

Packing bitumen is an essential process to ensure its safe transportation, storage, and handling. The method of packing often depends on the type of bitumen, the transportation method, and the end-use. Here are the various methods used to pack bitumen: