Australian Bitumen Grades

        Class 170 (C170)
Class 320 (C320)

Class 170 Bitumen

Bitumen C170 (Australian Grade) is a premium viscosity-grade bitumen, extensively used in road construction and asphalt applications throughout Australia.

Renowned for its exceptional durability and resistance to deformation, C170 is particularly suitable for high-traffic roads and heavy-duty pavements. Its medium viscosity ensures excellent workability during application, while its high-temperature stability supports long-term performance under Australia's demanding climate conditions.

From highways and industrial surfaces to airport runways, Bitumen C170 consistently delivers dependable results, conforming to rigorous Australian standards.

Rajasi Oil proudly defines and supplies the specifications of each Australian bitumen grade, ensuring you receive materials engineered for performance, reliability, and longevity.

Class 170 (C170) Specifications

Specification	Test Method	Unit	Min	Max
Specific Gravity @ 25°C	ASTM D70	-	1.01	1.06
Penetration @ 25°C	ASTM D5	0.1mm	62	–
Viscosity @ 60°C	ASTM D2171	Pa.s	140	200
Viscosity @ 135°C	ASTM D2170	Pa.s	0.25	0.45
Flash Point (COC)	ASTM D92	°C	250	-
Matter Insoluble in Trichloroethylene	ASTM D2042	%wt	-	1
After Rolling Thin Film Oven Test (RTFO)
Viscosity of Residue at 60°C	ASTM D2171	% of original	-	300

Class 320 (C320) Specifications

Specification	Test Method	Unit	Min	Max
Specific Gravity @ 25°C	ASTM D70	-	1.01	1.06
Penetration @ 25°C	ASTM D5	0.1mm	40	–
Viscosity @ 60°C	ASTM D2171	Pa.s	260	380
Viscosity @ 135°C	ASTM D2171	Pa.s	0.40	0.65
Flash Point (COC)	ASTM D92	°C	250	-
Matter Insoluble in Trichloroethylene	ASTM D2042	%wt	-	1
After Rolling Thin Film Oven Test (RTFO)
Viscosity of Residue at 60°C	ASTM D2171	% of original	-	300

Australian Bitumen Grades

Class 170 Bitumen

Class 170 (C170) Specifications

Class 320 (C320) Specifications

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