What is Oxidized Bitumen 85/40? Oxidized bitumen 85/40, commonly referred to as blown bitumen, is a semi-solid petroleum bitumen grade produced by air-blowing asphalt flux. This flux is typically derived from oxidizing asphalt 60/70 with hot air. Due to its distinctive physical properties, oxidized bitumen 85/40 has a wide applicability in numerous construction applications. The […]
