bitumen R90/40
description Oxidized bitumen R90/40 (also known as blown asphalt 90/40 and blown bitumen R90/40) is a semi solid grade of pure petroleum bitumen manufactured by air-blowing through an asphalt flux. Special physical properties of its grade can be used in different applications in the construction business. Oxidized bitumen R90/40 is based on petroleum bitumen which […]
