The higher the grade, the stiffer the bitumen.
Most high performing roads in Australia are built and maintained using bitumen because it is durable and has exceptional waterproofing and adhesive properties.
Bitumens used in road construction and maintenance are refined and blended to meet strict road engineering requirements and industry specifications.
the Australian Standard are determined by Viscosity measured at 60°C Pa.s.
Bitumen grades for Australia market are as below:
Class 170
Class 240
Class 320
Class 450
Class 600
Australian Bitumen Grades are available in New Steel Drums to Australia.