Oxidized Bitumen

Oxidized Bitumen 85/40 and Its Characteristics, Applications & Advantages.

Oxidized bitumen, also known as blown bitumen, is a specially treated form of bitumen with enhanced properties that make it suitable for various industrial applications. Among its different grades, oxidized bitumen 85/40 stands out for its unique characteristics and versatility. This blog delves into the properties, applications, advantages, and sourcing of oxidized bitumen 85/40, with Peak Universal Business as your go-to supplier for this essential material.

Understanding Oxidized Bitumen 85/40

What is Oxidized Bitumen?

Oxidized bitumen is produced by blowing air through hot penetration-grade bitumen. This process modifies the bitumen’s physical and chemical properties, resulting in a product with higher softening points and greater resistance to temperature changes.

Characteristics of Oxidized Bitumen 85/40

Oxidized bitumen 85/40 has specific characteristics that make it ideal for various applications:

  • Softening Point: Approximately 85°C, which ensures stability at higher temperatures.
  • Penetration: 40 dmm (decimillimeter), indicating a lower penetration rate and higher hardness.
  • Flexibility: Maintains flexibility over a wide range of temperatures, making it suitable for both hot and cold climates.
  • Adhesion: Excellent adhesion properties, ensuring strong bonding with substrates.
  • Water Resistance: High resistance to water, making it ideal for waterproofing applications.
  • Chemical Stability: Resistant to acids, alkalis, and salts, ensuring durability in harsh environments.

Industrial Applications of Oxidized Bitumen 85/40

Oxidized bitumen 85/40 is used across various industries due to its enhanced properties. Here, we explore its extensive applications:

1. Roofing and Waterproofing

One of the primary uses of oxidized bitumen 85/40 is in roofing and waterproofing applications.

  • Roofing Felt: Used in the production of roofing felt, providing a durable and water-resistant layer for roofs.
  • Waterproof Membranes: Applied in the manufacturing of waterproof membranes for buildings and structures.
  • Damp Proofing: Essential in damp-proofing courses to prevent moisture penetration in walls and foundations.

2. Road Construction

In road construction, oxidized bitumen 85/40 is used to enhance the durability and performance of asphalt mixtures.

  • Pavement Sealing: Used as a sealing material for asphalt pavements, preventing water infiltration and enhancing longevity.
  • Asphalt Mixtures: Improves the stability and flexibility of asphalt mixtures used in road construction.

3. Pipe Coating

Oxidized bitumen 85/40 is widely used in the coating of pipelines to protect against corrosion and environmental factors.

  • Corrosion Protection: Provides an effective barrier against corrosion for pipelines used in water, oil, and gas industries.
  • Insulation: Acts as an insulating material, protecting pipes from temperature variations.

4. Electrical Applications

The electrical industry uses oxidized bitumen 85/40 for its insulating and protective properties.

  • Cable Coating: Used as a coating material for electrical cables, ensuring protection against moisture and environmental factors.
  • Transformer Insulation: Provides insulation for transformers, enhancing their performance and longevity.

5. Adhesives and Sealants

Oxidized bitumen 85/40 is an essential component in the production of various adhesives and sealants.

  • Industrial Adhesives: Used in the formulation of industrial adhesives, providing strong bonding properties.
  • Sealants: Essential in the production of sealants used in construction and manufacturing industries.

6. Marine Applications

In marine applications, oxidized bitumen 85/40 is used for its water-resistant and protective properties.

  • Shipbuilding: Used as a protective coating for ships and marine structures, preventing corrosion and enhancing durability.
  • Dockyards: Applied in dockyards for the maintenance and protection of marine infrastructure.

7. Flooring

The flooring industry uses oxidized bitumen 85/40 for its adhesive and moisture-resistant properties.

  • Floor Tiles: Used as an adhesive for floor tiles, ensuring strong bonding and resistance to moisture.
  • Industrial Flooring: Applied in industrial flooring systems for enhanced durability and protection against chemicals and moisture.

Advantages of Oxidized Bitumen 85/40

Oxidized bitumen 85/40 offers several advantages that make it a preferred choice across industries:

1. Enhanced Durability

The oxidation process enhances the durability of bitumen, making it resistant to temperature variations, chemicals, and environmental factors.

2. Excellent Adhesion

Oxidized bitumen 85/40 provides excellent adhesion properties, ensuring strong bonding with substrates.

3. Water Resistance

Its high resistance to water makes it ideal for waterproofing and marine applications.

4. Chemical Stability

Oxidized bitumen 85/40 is resistant to acids, alkalis, and salts, ensuring long-lasting performance in harsh environments.

Disadvantages and Considerations of Oxidized Bitumen 85/40

Despite its numerous advantages, oxidized bitumen 85/40 has some limitations:

1. Brittleness at Low Temperatures

Oxidized bitumen can become brittle at extremely low temperatures, which can affect its performance in cold climates.

2. Environmental Concerns

As a petroleum-derived product, the production and use of oxidized bitumen can have environmental impacts. There is a growing demand for sustainable alternatives.

Future Prospects of Oxidized Bitumen 85/40

The future of oxidized bitumen 85/40 is promising, with ongoing research and development aimed at enhancing its properties and applications.

1. Sustainable Alternatives

Researchers are exploring sustainable and eco-friendly alternatives to traditional oxidized bitumen, addressing environmental concerns while maintaining performance.

2. Advanced Applications

Innovations in formulations and applications are expanding the use of oxidized bitumen 85/40 in advanced industries, such as electronics and advanced manufacturing.

3. Enhanced Performance

Developments in refining techniques and additives aim to improve the thermal and mechanical properties of oxidized bitumen, making it suitable for more demanding applications.

Why Choose Peak Universal Business as Your Oxidized Bitumen 85/40 Supplier?

Peak Universal Business is a leading supplier of oxidized bitumen 85/40, offering high-quality products tailored to meet the diverse needs of various industries. Here are compelling reasons to choose Peak Universal Business as your supplier:

1. Superior Quality

Peak Universal Business ensures that its oxidized bitumen 85/40 meets the highest standards of purity and consistency, providing reliable performance for all applications.

2. Industry Expertise

With extensive experience in the industry, Peak Universal Business has the expertise to understand and meet the specific requirements of its clients.

3. Customer Support

The company offers excellent customer support, providing technical assistance, product guidance, and after-sales service to ensure client satisfaction.

4. Competitive Pricing

Peak Universal Business offers competitive pricing without compromising on quality, making it an economical choice for businesses.

5. Sustainable Practices

Committed to sustainability, Peak Universal Business adopts environmentally friendly practices in its operations, ensuring a minimal environmental footprint.


Oxidized bitumen 85/40 is a versatile and high-performance material with a wide range of applications across various industries. Its unique properties, including high softening points, excellent adhesion, water resistance, and chemical stability, make it indispensable in roofing, waterproofing, road construction, pipe coating, electrical applications, adhesives, marine applications, and flooring.

Understanding its uses, advantages, and future prospects is crucial for making informed decisions in industrial applications. Peak Universal Business stands out as a premier supplier of oxidized bitumen 85/40, offering high-quality products backed by extensive industry experience and a commitment to customer satisfaction. By choosing Peak Universal Business, you ensure the success of your projects with reliable, high-performance oxidized bitumen tailored to your specific needs.

You can Read More about this product Here: Oxidized Bitumen and Oxidized Bitumen 85/40

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