VG grades are known by the Indian government as the preferred type of bitumen for road construction. In 1991, the Bureau of Indian Standards adopted a new grading method for bitumen, named viscosity ...

Greenvale Energy is on the path towards a commercial bitumen product after testwork at the Alpha project in Queensland recorded the highest conversion to date. GRV’s latest testwork shows company ...

AC is typically obtained as a residue from the crude oil refining process or natural sources. It has a semi-solid or solid consistency at ambient temperatures and is used as an aggregate binding ...