Australian Standard Bitumen

The properties of bitumen for roadmaking are specified in AS 2008: Residual Bitumen for Pavements. This Australian Standard classifies and specifies the properties of ... Read more

Viscosity Grade

In the early 1960s, an improved asphalt grading system was developed that incorporated a rational scientific viscosity test.The testing bath temperature must be 60° ... Read more

Penetration Grades

The penetration test of bitumen quantifies the hardness or softness of bitumen by measuring the depth of penetration of standard loaded needle in five ... Read more

Base Oil SN500

Base Oil SN500 SN 500 is a light grade base oil at the upper end of the specifications for Grade I base oils. They are ... Read more