Import Bitumen — Buy in wholesale FOB from Supplier in Thailand

Blackrock Corporation lists penetration-grade bitumen in three standard viscosity grades: 40/50, 60/70 and 80/100. The 40/50 grade indicates a penetration value of 40 to 50 decimillimetres at 25 degrees Celsius under standard load, making it suitable for hot climates and heavy traffic pavements. The 60/70 grade is the most commonly traded specification globally, balancing workability at moderate temperatures with finished road durability. The 80/100 grade offers softer characteristics for colder regions or spray seal applications. All grades are offered from Kazakhstani origin with monthly volumes ranging from 50,000 to 500,000 metric tons.

Penetration-grade bitumen is produced by vacuum distillation of crude oil, with the residual fraction air-blown or straight-run to achieve the target softening point and penetration index. The 40/50 grade typically exhibits a softening point between 52 and 58 degrees Celsius, while 60/70 falls between 48 and 54 degrees Celsius, and 80/100 between 42 and 48 degrees Celsius. Ductility at 25 degrees Celsius should exceed 100 centimetres for all grades, indicating good elastic recovery under traffic loading. Flash point by Cleveland open cup is typically above 230 degrees Celsius, ensuring safe handling at elevated temperatures during mixing and laying operations.

These grades serve road construction contractors, asphalt mixing plants and infrastructure developers across Southeast Asia, the Middle East and Africa. The 60/70 penetration grade is standard for dense-graded hot mix asphalt in tropical and subtropical climates. The 40/50 grade suits airport runways, heavy-duty port pavements and bus rapid transit corridors where rutting resistance is critical. The 80/100 grade is preferred for chip seals, slurry seals and cold-mix applications. Buyers should confirm specific penetration index, viscosity at 135 degrees Celsius and performance-grade classification directly with Blackrock Corporation, as these values determine binder selection for regional climate conditions.

Blackrock Corporation is registered at 8/28 Setthasiri Rama 5, Bang Krang, Mueang Nonthaburi, Nonthaburi 11000, Thailand. The supplier holds a harbor trust tier classification, which represents the entry-level verification status on the platform. No response rate or average response time data is recorded, indicating either a new listing or inactive inquiry management. The company profile does not disclose years in operation, employee count, annual turnover, or specific refinery partnerships.

The listing positions Blackrock Corporation as a trader or broker of Kazakhstani-origin bitumen rather than a manufacturer, given the origin country differs from the registered address. The supplier offers structured trade terms with defined FOB and CIF price bands, suggesting experience in bulk commodity export documentation. Buyers should verify the supplier's direct access to Kazakhstani production, cargo inspection protocols, and letter-of-credit handling capabilities before committing to the stated monthly volumes. No ISO, ASTM or EN certification claims appear in the available profile data.