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 ...

In January 2006, the California Department of Transportation (Caltrans) and the rest of California started to use the Superpave Performance Grade (PG) system for specifying neat asphalt binders. For ...

Barbados now has the capacity to produce a world-class asphalt mix that will make its roads last longer and be less susceptible to crocodile (large) cracking. During a tour yesterday of the lone ...

It can be termed as the building block of the pavements without which all the pavement materials would behave independently and thus will be deemed useless. Almost ninety percent of bitumen is used in ...

In 2003, Citgo Asphalt Refining Co.'s (CARCO) Savannah, Ga., refinery completed a revamp of its No. 1 crude unit that increased asphalt yield by 2% on whole crude, depending on asphalt grade produced.

Petrojam on Wednesday exported a shipment of 22,500 barrels of performance grade asphalt valued at approximately US$1.45 million, a development that the company said will help increase Jamaica’s ...