BITUMEN 50/70

Bitumen technical details

The quality of this type of bitumen shows its characteristics and specifications. in addition to penetration testing, there are tests used to determine bitumen 50/70, including viscosity, softening point, shape, heat loss, and flash point.

Some of these are for bitumen 50/70 suppliers and customers. They should be more important. These are the softening point and the Flashpoint.

According to the ASTM D36 method, the softening point of this grade of bitumen is between 49 and 56 ° C and Its flash point would be 250 ° C same as bitumen 60/70.

Bitumen 50/70 is a premium paving grade bitumen that offers an excellent balance of strength, flexibility, and durability. It is widely used in road construction and asphalt production for reliable performance in moderate to warm climates.

Main Features

• Penetration Grade: 50–70 dmm
• Balanced Stiffness and Flexibility: Provides excellent pavement stability while reducing the risk of cracking.
• High Adhesion: Forms a strong bond with mineral aggregates for durable asphalt mixtures.
• Excellent Workability: Easy to heat, mix, lay, and compact during asphalt production.
• Good Rutting Resistance: Maintains pavement shape under medium to heavy traffic loads.
• Reliable Fatigue Performance: Resists cracking caused by repeated traffic loading.
• Good Water Resistance: Helps protect pavements against moisture damage and stripping.
• High Durability: Delivers long service life with reduced maintenance requirements.
• Stable Thermal Performance: Performs consistently under varying weather conditions.
• Consistent Quality: Manufactured in accordance with international paving bitumen specifications.

Bitumen 50/70 is the preferred choice for paving projects that require a combination of structural strength, flexibility, and long term reliability. It performs exceptionally well in asphalt mixtures used for both new road construction and pavement rehabilitation.

Where It Is Used

1. Transportation Infrastructure

• Highways and expressways
• Ring roads and bypasses
• Municipal and urban road networks

2. Airport Construction

• Taxiways
• Aprons
• Service roads
• Aircraft parking areas

3. Commercial & Industrial Areas

• Industrial estates
• Logistics parks
• Container terminals
• Warehouse access roads

4. Public Infrastructure

• Bus lanes
• Roundabouts
• Intersections
• Bridge approach pavements

5. Asphalt Production

• Hot Mix Asphalt (HMA)
• Dense Asphalt Concrete
• Binder and wearing courses
• Road resurfacing mixtures

Why Choose Bitumen 50/70?

1. Delivers smooth and durable asphalt surfaces
2. Withstands medium to heavy traffic loads
3. Provides excellent aggregate coating and adhesion
4. Offers reliable performance in moderate and warm climates
5. Extends pavement service life while reducing maintenance costs
6. Ensures consistent quality for large-scale infrastructure projects

Bitumen 50/70 is one of the world’s most widely specified paving grades, making it an excellent solution for roads, airports, commercial developments, and public infrastructure where durability, workability, and cost-effective performance are essential.

Bitumen 50/70 is known by some formula according to application in industries such as:

Elementally, it contains 87% carbon and around 8% hydrogen, and other chemical contents are up to 5% sulfur, 1% nitrogen, 1% oxygen and 2000ppm metals.

Bitumen Products are composed mainly of highly condensed polycyclic aromatic hydrocarbons.

Bitumen 50/70 is produced by refining selected crude oils through advanced atmospheric and vacuum distillation processes. Unlike harder penetration grades, Bitumen 50/70 is engineered to provide an optimum balance of stiffness, flexibility, and workability, making it one of the most versatile paving binders.

Manufacturing Process

1. Selection of high quality crude oil with suitable asphaltic characteristics.
2. Atmospheric distillation removes lighter petroleum fractions such as LPG, gasoline, kerosene, and diesel.
3. Vacuum distillation concentrates the heavy residue into bitumen feedstock.
4. Controlled blending and process optimization are used to achieve the required penetration, viscosity, softening point, and ductility while maintaining consistent product quality.

Common Composition

• Component Typical Range
• Aromatics 35–50%
• Resins 25–35%
• Asphaltenes 15–25%
• Saturates 5–10%

The exact composition depends on the crude oil source and refinery technology. Bitumen 50/70 is produced to meet performance specifications rather than a fixed chemical formula.

Performance Characteristics

• Balanced hardness and flexibility
• Excellent coating of mineral aggregates
• Good resistance to rutting and fatigue cracking
• Reliable performance in moderate and warm climates
• Consistent rheological properties for high-quality asphalt production

Bitumen 50/70 is specifically formulated to deliver excellent pavement durability, smooth workability, and long-term performance, making it one of the most widely specified grades for highways, urban roads, and infrastructure projects worldwide.

Packing of our bitumen would be 180 kg new steel drums and 1000 kg Jumbo bags.