Bitumen Penetration Grade 40/50 Description of Bitumen 40/50 RAHA Bitumen 40/50 is a standard Penetration Grade of Bitumen ASTM D946M, typically used as a Paving Grade Bitumen suitable for road construction and for the production of asphalt pavements with superior properties particularly in road and airport constructions and other similar applications. This grade of Bitumen […]