Oxidized Bitumen 115/15

Premium Grade Bitumen for Industrial Waterproofing & Insulation

Oxidized Bitumen 115/15 is a high softening point industrial bitumen produced through the air-blowing process of petroleum bitumen under controlled conditions. This grade offers exceptional thermal stability, hardness, adhesion, and resistance against moisture and chemicals, making it suitable for demanding industrial applications.

Due to its superior durability and performance, Oxidized Bitumen 115/15 is widely used in waterproofing systems, roofing membranes, pipe coatings, expansion joint fillers, mastics, and electrical insulation compounds.


Key Features

  • High softening point and excellent heat resistance
  • Strong adhesion and flexibility
  • Excellent waterproofing capability
  • Resistant to weather conditions and chemicals
  • Long service life in industrial environments
  • Stable performance under temperature variations

Main Applications

Waterproofing Membranes

Used in roofing systems and waterproof sheets to provide long-lasting moisture protection.

Pipe Coating & Corrosion Protection

Suitable for coating pipelines and underground metal structures.

Industrial Sealants & Mastics

Applied in sealing compounds, adhesives, and expansion joint fillers.

Electrical & Thermal Insulation

Widely used in insulation materials and industrial protective compounds.


Typical Technical Specification

PropertyTypical Value
Softening Point (R&B)115 ± 5 °C
Penetration @25°C10–20 dmm
Flash Point≥ 250 °C
Solubility in CS2≥ 99%
Specific Gravity @25°C1.03 – 1.07

Packaging Options

  • Meltable Bags
  • Kraft Bags
  • Steel Drums
  • Jumbo Bags

Customized packaging is available based on customer requirements.


Why Choose RAHA Gilsonite Co.

At RAHA Gilsonite Co., we supply high-quality oxidized bitumen products with reliable industrial specifications, stable production quality, and worldwide export services. Our technical team is ready to support your project requirements with professional consultation and documentation including TDS and MSDS.