Oxidized bitumen — also known as blown or hard bitumen — is produced by air-blowing penetration grade bitumen to raise its softening point and stiffness for demanding, high-temperature applications such as waterproofing, roofing membranes, pipe coating, insulation and mastic asphalt. As specialist oxidized bitumen suppliers, Bitumax offers a comprehensive range of grades, including 75/30, 85/25, 85/40, 90/40, 95/25, 105/35 and 115/15, supplied in drums and jumbo bags to manufacturers and distributors worldwide.
Oxidized bitumen grades are named softening-point / penetration (e.g. 85/25 = ~85°C softening point, ~25 dmm penetration). Indicative ranges are shown; certificates of analysis accompany every shipment. Request a grade for a spec sheet and price.
Joint fillers, crack sealants and general roofing compounds.
Mastic asphalt, road and construction applications; high durability.
Industrial and waterproofing uses needing extra workability.
Pavement rehabilitation and roofing where higher stiffness helps.
Roofing felt and hot-climate membranes; strong adhesion.
Roofing membranes and pipe coating; high thermal resistance.
Electrical insulation and high-temperature industrial uses.
Air-blowing raises the softening point and stiffness, making blown bitumen the binder of choice for industrial and construction uses well beyond paving.
Core binder for bituminous felts, torch-on membranes and built-up roofing.
Protective coatings for buried and submerged steel pipelines.
Hard, high-softening-point grades used as insulating and potting compounds.
Durable, impervious flooring and tanking for industrial and civil works.
Board and panel manufacture where a stable, high-melt binder is required.
Feedstock for bituminous adhesives, jointing compounds and sealing products.
Oxidized bitumen ships in new steel drums and jumbo bags / FIBCs — the formats manufacturers and distributors handle most efficiently.
Our bulk Oxidized Bitumen packaging ensures efficient and cost-effective transportation for large-scale projects.
For more manageable quantities, we provide Oxidized Bitumen packaged securely in durable drums.
Our FIBCs (Flexible Intermediate Bulk Containers) are an excellent choice for projects requiring flexibility and ease of handling.
Grades are picked by softening point for the service temperature and by penetration for hardness. Tell us the application and we will match the grade.
Bitumax oxidized grades are produced and certified against the specifications roofing and industrial buyers require.
US specification for asphalt used in built-up roofing, covering Types I–IV by softening point.
US specification for air-blown asphalt used in industrial and construction applications.
European framework specification and test methods for oxidized bitumen.
Indian standard for industrial blown-type bitumen used in roofing and waterproofing.
Everything you need to know about sourcing, grades and logistics. Reach out for anything not covered here.
Oxidized bitumen — also called blown or hard bitumen — is made by blowing air through hot penetration grade bitumen, raising its softening point and hardness. Grades are named softening-point / penetration, so 85/25 and 115/15 describe increasingly hard, heat-resistant products for industrial and construction use rather than paving.
Blown grades bind roofing felts and waterproofing membranes, coat pipelines, insulate electricals and form mastic asphalt flooring. Choose the softening point for the service temperature and the penetration for hardness — softer 75/30 and 85/25 for general roofing, harder 105/35 and 115/15 for high-heat and insulation duties. For road paving instead, see penetration grade and viscosity grade bitumen; for cold-applied prime and tack coats, see cutback bitumen.
Oxidized bitumen ships in new steel drums and jumbo bags — see packaging and logistics and shipping, with the buying process and product authentication pages covering the rest. Bitumax quotes FOB and CIF worldwide; roofing and pipe-coating manufacturers in India, the UAE, China and South Africa order regularly — see the full where to buy map.
Compare grades, plan your supply chain and find pricing to your market — every link below goes straight to the detail.
Oxidized (blown) bitumen — 75/30, 85/25, 90/40, 95/25, 105/35 and 115/15 — for waterproofing, roofing membranes, pipe coating and insulation. Supplied worldwide in new steel drums and jumbo bags.
Join the Bitumax newsletter for bitumen market updates, pricing trends and supply insights — from penetration grade and cutback to oxidized bitumen — delivered straight to your inbox.
Trusted by bitumen buyers, contractors and industry professionals worldwide.
Bitumax delivers oxidized bitumen to roofing and waterproofing manufacturers, pipe-coating plants and distributors across the Middle East, Asia, Africa, CIS, Europe and Latin America.
