Oxidized Bitumen 105/35, also known as Blown Asphalt 105/35 Or Oxidized Asphalt 105/35, is one of the highest softening point bitumen grades, engineered for superior rigidity, chemical resistance, and thermal durability. With an extremely low penetration value, it excels in static applications where flexibility is not required but structural reliability is critical.
This guide provides a complete overview of Bitumen 105/35, including its technical data sheet, physical properties, and specialized industrial applications.
Oxidized Bitumen 105/35 is produced through a controlled air-blowing process applied to penetration-grade bitumen at high temperatures. This reaction changes its molecular structure, resulting in a hard, dense, and thermally stable material with increased viscosity and superior aging resistance.
Bitumen 105/35 is designed for use in static sealing systems, rigid waterproofing, and chemical containment where high performance under extreme temperature or corrosive conditions is mandatory.
Bitumen 105/35 is ideal for bridge joints, tunnel seals, and rigid pavement connections that require thermal stability and zero deformation under load. Its hardness and heat resistance ensure long-term performance even under wide thermal cycles.
Blown Asphalt 105/35 offers excellent resistance to industrial acids, alkalis, and aggressive chemical vapors. It is used in linings for tanks, secondary containment basins, and chemical reactor coatings to prevent corrosive degradation.
Used in multilayer waterproofing systems for concrete foundations, tunnels, and dams, 105/35 provides a dense, water-impermeable barrier that remains stable even in hot climates and hydrocarbon-exposed zones.
Its strong molecular structure makes it suitable for manufacturing rigid adhesives and bonding compounds used in automotive underlayers, industrial flooring, and oil-resistant tiles.
Oxidized Bitumen 105/35 is widely used in protective coatings for pipelines exposed to corrosive soils or marine environments. It shields metallic surfaces from oxidation, water penetration, and chemical attack.
In metal casting and mold-making, this grade acts as a heat-resistant base coating or barrier layer that provides dimensional stability and resistance to molten metal splashes.
FAQ: What is Oxidized Bitumen Usage in Diverse Industries?
✅ Exceptional Thermal Resistance
✅ Superior Structural Rigidity
✅ Highly Resistant to Chemicals & Water
✅ Compatible with Solvent-Based Systems
✅ Ideal for Static, Load-Bearing Applications
✅ Safe for High-Temperature Processing
What is Oxidized Bitumen 105/35 used for?
Blown Asphalt 105/35 is used in high-temperature expansion joints, waterproofing layers, chemical linings, industrial adhesives, and anti-corrosion coatings for static applications.
Can Bitumen 105/35 be used in flexible sealing systems?
No. Due to its low ductility, it is not suitable for flexible or elastic installations. It is intended for use in rigid, static environments.
What makes Blown Asphalt 105/35 different from 90/40 or 85/25?
Its softening point is significantly higher (~105°C), and it has a lower penetration range, offering higher rigidity and thermal durability compared to lower-grade bitumen types.
Is Oxidized Bitumen 105/35 safe for hot application?
Yes. Blown Asphalt 105/35 has a flash point of over 260°C, making it safe for use in hot-melt operations when handled using standard industrial precautions.
How is Oxidized Bitumen 105/35 packaged for shipment?
Oxidized Asphalt 105/35 Available in:
25 kg meltable polybags
180 kg steel drums
1 MT jumbo blocks
Custom packaging for bulk export orders
Oxidized Bitumen 105/35 stands out as one of the most thermally stable and rigid grades of blown asphalt. Its extremely high softening point, low penetration, and strong resistance to water and chemicals make it ideal for high-performance applications in harsh industrial environments.
From chemical tanks and expansion joints to waterproofing and anti-corrosion coatings, Bitumen 105/35 delivers durability where other materials may fail.
For projects demanding extreme heat resistance, mechanical strength, and long service life, this grade is an industry-standard choice that ensures long-term reliability and performance.
📦 Available in Meltable Bags, Drums & Jumbo Blocks
🌍 Export-Ready with International Certifications
🛡️ Premium Quality for Demanding Industrial Projects
📞 Talk to an Expert Now Get a Technical Datasheet Today
✅ Contact our experts today to get the highest-quality Oxidized Asphalt 105/35 manufactured, tested, and delivered to meet your exact specifications.
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📞 Request a quote now or speak with our team for more information.
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