Blown Asphalt 10/20

Blown Asphalt 10/20 is a type of oxidized bitumen commonly used in industrial applications such as roofing, waterproofing, insulation, and road construction. The 10/20 grading refers to its penetration grade, meaning it has a penetration value of 10 to 20 (0.1 mm) at standard conditions (25°C, 100g, 5s), which indicates it is a hard and [...]