Bitumen Penetration Grade 250/330
VTA OIL CO. specializes in the supply and distribution of petroleum and petrochemical products
Bitumen grade 250/330, also known as penetration grade bitumen, is commonly used in road construction and the production of asphalt pavements. Here are some key points about this grade:
Penetration Value: The penetration value of bitumen grade 250/330 ranges between 250 and 330 tenths of a millimeter (25.0 to 33.0 millimeters) at 25°C. This value indicates the hardness of the bitumen.
Usage: It is primarily used for paving roads, airport runways, and other infrastructure projects that require durable and resilient materials.
Properties: This bitumen grade has a softening point between 30°C and 38°C, a flash point above 180°C, and excellent ductility, which ensures it performs well under various temperature conditions.
Production: Bitumen grade 250/330 is produced through the fractional distillation of crude oil, followed by further processing to achieve the desired penetration characteristics.
Bitumen grade 250/330 is primarily used in the following applications:
Road Construction: It is used as a binder in hot mix asphalt for paving roads, providing durability and flexibility to road surfaces.
Asphalt Pavements: This grade is suitable for producing asphalt pavements with superior properties, making it ideal for both base and wearing courses.
Surface Dressing: It is used in surface dressing to improve the texture and extend the lifespan of roads.
Cold Weather Areas: Due to its relatively low air blowing and penetration, it is used in areas with cold weather for asphalting and insulation, as it does not crack at low temperatures.
Waterproofing: Its waterproofing properties make it suitable for roofing applications and the production of roofing felt and membranes.
