What is AR-4000 bitumen?
AR-4000 bitumen is a medium viscosity grade in the aged residue classification, widely used for general-purpose road construction and moderate traffic conditions. Graded after the rolling thin-film oven process, AR-4000 bitumen balances workability and durability, offering dependable performance across a broad range of climates and pavements.
Road builders rely on AR-4000 bitumen for city streets, rural roads, and pavements carrying light-to-moderate traffic in temperate climates. Its balanced viscosity ensures smooth workability during mixing and compaction, making AR-4000 bitumen a cost-effective, versatile binder for everyday paving, resurfacing, and municipal road maintenance projects nationwide.
Black Rock Bitumen produces AR-4000 bitumen under strict ASTM D3381 quality standards, ensuring consistent viscosity, penetration, and reliable field performance. Supported by dependable logistics and rigorous testing, our AR-4000 bitumen gives contractors a trusted, budget-friendly binder for standard road construction and pavement maintenance work across regions.



