Which Grade of Bitumen is Suitble for Your Road Project? The Impact of Climatic Conditions on the Selection of Bitumen Grades for Road Infrastructure

*RAHA Bitumen*: Leading the Way in Global Road Development

Raha Bitumen stands at the forefront of the bitumen production and supply industry, dedicated to delivering the highest quality bitumen to customers across the globe. With a firm commitment to excellence, we pride ourselves on offering a diverse range of bitumen products that meet international standards, ensuring that our clients receive the most durable, reliable, and sustainable solutions for their road construction and infrastructure projects.

Our bitumen is meticulously produced using the latest technology, ensuring that each grade is tailored to suit the unique requirements of different environments—whether it's for the extreme heat of desert highways, the severe cold of mountainous regions, or the high-traffic roads in urban areas. Our products include viscosity grade , penetration grade, polymer-modified bitumen (PMB), and performance-grade bitumen (PG), designed to provide superior performance in diverse climatic conditions and withstand heavy traffic loads.

Bitumen, a key material in road construction, is classified into different grades based on its properties, particularly penetration, viscosity, and performance. Each grade of bitumen is suitable for specific areas and weather conditions. Here's an overview of the main types and their suitability:

1. Penetration Grade Bitumen

This grade is classified based on the depth a standard needle penetrates the bitumen sample at a certain temperature (usually 25°C).

40/50 Penetration Grade:

• Areas: High-traffic roads or highways
• Weather: Warm to hot climates
• Usage: It has lower penetration and is harder, making it ideal for high-stress areas where temperatures are high, as it is less likely to soften.

60/70 Penetration Grade:

• Areas: Urban roads, moderate-traffic highways
• Weather: Warm to moderate climates
• Usage: Offers a balance between hardness and flexibility. Suitable for most general-purpose road constructions in moderate climates.

80/100 Penetration Grade:

• Areas: Rural roads or areas with lower traffic volumes
• Weather: Cold to moderate climates
• Usage: It is softer and provides more flexibility, making it suitable for colder climates where thermal contraction might crack harder bitumen.

2. Viscosity Grade Bitumen

This grade is classified based on the viscosity of the bitumen , ensuring it remains stable over a range of temperatures.

This grade is classified based on the viscosity of the bitumen, ensuring it remains stable over a range of temperatures.

VG-10:

• Areas: Low-traffic roads, surface dressing, or in colder climates
• Weather: Cold to moderate climates
• Usage: Suitable for sealing layers or in areas with lower temperatures to ensure good workability during road laying.

VG-20:

• Areas: Highways and expressways
• Weather: Moderate climates
• Usage: Preferred for road construction in regions where moderate temperatures prevail. More stable than VG-10, offering better durability.

VG-30:

• Areas: High-traffic roads, highways, expressways
• Weather: Warmer climates

• Usage: Ideal for use in hot weather conditions as it is less prone to softening and rutting.

VG-40:

• Areas: Heavy-duty roads, such as industrial areas and airports
• Weather: Hotter regions
• Usage: Provides enhanced strength and durability, best suited for areas with high loads and extreme temperatures.

3. Performance Grade (PG) Bitumen

Performance grade bitumen is classified based on its ability to resist rutting and cracking at specific temperatures.

PG 64-10:

• Areas: Cold climates
• Weather: Withstands -10°C (coldest temp), good for moderate-high temperatures (up to 64°C)
• Usage: Suitable for regions with colder winters and moderate summers.

PG 76-22:

• Areas: Highways and expressways
• Weather: Hot climates, withstanding temperatures up to 76°C
• Usage: Used in hotter climates or areas with high solar radiation, where resistance to rutting and deformation is critical.

PG 58-22:

• Areas: Rural roads, secondary roads
• Weather: Moderate to cold climates
• Usage: Appropriate for moderate traffic levels and more flexible in colder temperatures.

4. Polymer Modified Bitumen (PMB)

Polymer additives improve the bitumen’s performance, making it more durable and flexible under extreme conditions.

PMB 40:

• Areas: Areas with extreme temperature variations (hot or cold)
• Weather: Extreme climates
• Usage: Offers enhanced durability, flexibility, and resistance to cracking, often used in bridges, heavy traffic areas, or regions with freezing and thawing cycles.

Summary of Usage by Weather:

• Hot Climates: Penetration 40/50 , VG-30 , VG-40 , PG 76-22
• Moderate Climates: Penetration 60/70 , VG-20, VG-30 , PG 64-10
• Cold Climates: Penetration 80/100 , VG-10, PG 58-22, PMB

Choosing the correct grade of bitumen depends on both the local weather conditions and the traffic load, ensuring durability and longevity of the road.

Suitable Bitumen Grades for High Humidity and High Rainfall Areas

In areas with high humidity and high rainfall, the primary concerns are water resistance, adhesion, and durability to prevent moisture from affecting the road structure. Bitumen in these regions must have excellent resistance to stripping (loss of bitumen adhesion from aggregates due to water) and must remain stable under wet conditions.

Polymer Modified Bitumen (PMB)

• Reason: PMB is highly recommended in areas with high humidity and rainfall because it has enhanced resistance to water-induced damage, better adhesion, and elasticity. The polymer additives in PMB provide better flexibility, reduce cracking, and improve durability in wet conditions.
• Best for: Areas with frequent rainfall, wet soil conditions, and roads that experience waterlogging.

Viscosity Grade Bitumen (VG-30)

• Reason: VG-30 has good resistance to water and maintains its strength in humid and rainy environments. It offers high viscosity, ensuring that it does not soften in wet conditions, making it suitable for areas with heavy rainfall.
• Best for: Highways, expressways, and high-traffic roads in humid and rainy regions.

Viscosity Grade Bitumen (VG-40)

• Reason: VG-40 is typically used in areas where traffic load is high, and resistance to water is important. It offers high durability and prevents water damage, making it ideal for industrial roads and areas prone to flooding.
• Best for: Heavy-duty roads, industrial areas, and roads with heavy traffic in high-rainfall regions.

Penetration Grade Bitumen (60/70)

• Reason: This grade is commonly used in tropical and humid regions. It offers a good balance between hardness and flexibility, and its adhesion properties make it suitable for areas prone to rainfall.
• Best for: Urban and rural roads in high-humidity and rainy climates.

Performance Grade Bitumen (PG 64-22 or PG 70-22)

• Reason: Performance-graded bitumen like PG 64-22 is designed to handle extreme weather conditions, including high rainfall and temperature fluctuations. It provides excellent resistance to stripping, rutting, and cracking, making it ideal for wet climates.
• Best for: High-performance roads in regions with heavy rainfall and varying temperatures.

Emulsion Bitumen is Suitable for Humid and Rainy Areas:

1- Water-Based Composition:

• Emulsion bitumen is a water-based mixture of bitumen, water, and an emulsifying agent. Since it already contains water, it can be applied in damp conditions or during light rain, unlike hot-mix asphalt, which requires dry conditions.
• This makes it ideal for wet or rainy climates, where construction windows are often limited.

2- Quick Setting:

• Emulsions are formulated to set quickly, allowing roads to be ready for traffic sooner, even in humid or rainy conditions. There are different types of emulsion bitumen (slow setting, medium setting, and rapid setting) that are selected based on the environment and the type of roadwork.
• Rapid-setting emulsions are particularly useful in areas with frequent rainfall since they break and cure quickly, reducing the risk of water damage during application.

3- Good Adhesion to Wet Surfaces:

• Emulsion bitumen has better adhesion properties to wet aggregates compared to conventional bitumen. This is essential in areas with high humidity and rainfall, where moisture can otherwise interfere with the bond between the bitumen and the aggregates.
• Modified emulsion bitumen, such as cationic emulsions, are especially effective in humid environments because they form strong bonds with aggregates, even in the presence of moisture.

4- Environmentally Friendly:

• Because emulsion bitumen does not require heating to high temperatures during application, it is less affected by the humidity and cooling effects of wet weather. This also makes it more energy-efficient and reduces the emission of harmful fumes.

5- Resistance to Stripping:

• Emulsion bitumen can be designed to resist stripping (the detachment of bitumen from aggregates due to water). This property is crucial in high-rainfall regions where water intrusion can weaken the asphalt structure.
• Cationic emulsions have positive charges that adhere better to negatively charged aggregates, improving water resistance and durability in wet conditions.

6- Flexibility and Versatility:

• Emulsion bitumen can be used for surface dressing, patching, sealing, and even full road construction in rainy areas. Its flexibility makes it a versatile option for a variety of roadworks in environments where rainfall is frequent.

Common Applications in Humid and Rainy Areas:

• Surface Dressing: A thin layer of bitumen emulsion is applied to existing roads, which helps seal the surface against water penetration.
• Cold Mix Asphalt: Emulsion bitumen is often used in cold mix technology, where it can be applied at ambient temperatures. This is particularly useful in rainy areas where heating traditional asphalt would be inefficient.
• Tack Coats and Fog Seals: Emulsion bitumen is used for tack coats to improve adhesion between layers of asphalt and for fog seals to rejuvenate aging pavement, both of which help protect roads from water damage.

Limitations to Consider:

• Heavy Rain During Application: While emulsion bitumen is more suitable than hot-mix asphalt for humid and wet environments, it still needs adequate curing time. Heavy rain immediately after application could interfere with the breaking and setting of the emulsion, leading to potential issues with road durability.

Cold Temperatures: Emulsion bitumen is sensitive to very cold temperatures, so it may not be ideal for regions with both high rainfall and freezing conditions unless carefully managed.

Key Factors for Bitumen Selection in Rainy and Humid Regions:

• Adhesion: The bitumen must maintain strong adhesion to the aggregates, even in the presence of water. Polymer-modified bitumen (PMB) and higher viscosity grades (VG-30 , VG-40) are better at resisting stripping in wet conditions.
• Water Resistance: Bitumen should resist water infiltration to protect the road base from moisture damage.
• Durability: In wet and humid environments, bitumen needs to withstand the effects of constant exposure to moisture and maintain its structural integrity over time.

Conclusion:

In areas with high humidity and high rainfall, Polymer Modified Bitumen (PMB) , VG-30, and VG-40 are the most suitable options, offering enhanced water resistance and adhesion properties. Additionally, PG grades can provide excellent long-term performance under these challenging environmental conditions.

Also Emulsion bitumen is a suitable and effective choice for use in humid environments and areas with high rainfall due to its water-based nature, fast setting time, good adhesion to wet surfaces, and resistance to stripping. It offers a flexible, environmentally friendly solution for road construction and maintenance in these challenging climates. However, proper timing and application techniques are still crucial to ensure optimal performance, especially during periods of heavy rain.

Which bitumen Grades are Used for Areas With Extreme Hot Weather?

In areas with extremely hot weather, bitumen must resist softening, rutting, and deformation due to high temperatures. The right bitumen grade should maintain its stability, not become too soft, and should have excellent resistance to heat and high traffic stress. Here are the bitumen grades commonly used in hot climates:

1- Viscosity Grade Bitumen (VG-30 and VG-40)

VG-30:

• Usage: It is a common choice for regions with hot weather and heavy traffic. It offers high resistance to deformation at elevated temperatures, making it ideal for highways, expressways, and other high-traffic roads.
• Reason: VG-30 has a high viscosity, which means it maintains its hardness and shape in high-temperature conditions, preventing rutting.
• Best for: Roads in hot climates with moderate to heavy traffic.

VG-40:

• Usage: This grade is specifically used for heavy-duty roads and industrial areas that experience high traffic loads and high ambient temperatures.
• Reason: VG-40 has even higher viscosity than VG-30, offering superior resistance to softening under extreme heat.
• Best for: Industrial roads, airports, and regions with extremely hot weather where there is heavy vehicle movement.

2. Penetration Grade Bitumen (40/50)

• Usage: Penetration grade 40/50 is a harder grade of bitumen commonly used in areas with extremely high temperatures.
• Reason: It has a lower penetration value, meaning it is harder and less likely to soften at high temperatures. This makes it suitable for roads that are subjected to extreme heat and heavy traffic stress.
• Best for: Highways, expressways, and airport runways in hot and arid climates.

3. Polymer Modified Bitumen (PMB)

• Usage: Polymer-modified bitumen (PMB) is particularly effective in areas with extreme temperature variations, including very hot weather. The addition of polymers improves the bitumen's elasticity, flexibility, and resistance to deformation under heat.
• Reason: PMB has superior resistance to rutting and thermal cracking compared to regular bitumen. It remains stable in extreme heat and provides greater durability, making it ideal for high-traffic roads in hot climates.
• Best for: Bridges, highways, urban roads, and areas with high solar radiation and high vehicle load.

4. Performance Grade Bitumen (PG 70-22, PG 76-10, PG 76-22)

PG 70-22:

• Usage: Performance grade (PG) bitumen is designed to withstand specific high and low temperature ranges. PG 70-22 can handle high temperatures up to 70°C and is suitable for hot climates.
• Reason: PG 70-22 is specifically tested for its ability to resist softening in hot conditions and cracking in low temperatures, providing a stable mix for areas with high heat.
• Best for: Roads and highways in regions with extreme heat.

PG 76-10 or PG 76-22:

• Usage: These are designed to endure very high temperatures (up to 76°C) without softening and are used in areas that experience both high temperatures and heavy traffic.
• Reason: PG 76-22 is highly resistant to rutting, cracking, and deformation even under severe heat conditions.
• Best for: Highways, airport runways, and roads in hot deserts or regions where temperatures soar above 45°C.

5. Cutback Bitumen (MC-30 or RC-30)

• Usage: In some cases, cutback bitumen (which uses volatile solvents to reduce viscosity) can be used in extreme heat. However, it is less common compared to other grades like VG and PMB.
• Reason: Cutback bitumen such as MC-30 (medium curing) or RC-30 (rapid curing) is used in prime coats and tack coats, ensuring good adhesion in hot conditions.
• Best for: Temporary roads, maintenance work, or areas where construction requires rapid curing in hot environments.

Summary of Bitumen Grades for Hot Weather:

1- VG-30: For high-traffic roads in hot climates.

2- VG-40 : For industrial and heavy-duty roads in extreme heat.

3- Penetration 40/50: For areas with extremely high temperatures and heavy traffic.

4- PMB: For roads requiring high resistance to rutting and durability under high heat.

5- PG 70-22 / PG 76-22 : For areas with very high ambient temperatures and heavy traffic.

Key Properties for Hot Climates:

• High Viscosity: Bitumen must maintain its stiffness and resist deformation at high temperatures.
• Resistance to Rutting: Prevents permanent deformation of the road surface due to heavy loads in high heat.
• Resistance to Oxidation and Aging: Extreme heat accelerates the aging of bitumen, so bitumen with additives like polymers (PMB) or high-performance grades (PG) are often preferred to ensure longevity.

By selecting the right grade, road performance in hot climates can be significantly improved, reducing maintenance costs and enhancing road safety.

Best Bitumen Grades for Severe Cold Climates

In areas with severe cold climates, bitumen must be able to withstand freezing temperatures, resist thermal cracking, and maintain flexibility. Bitumen used in these regions should not become too brittle at low temperatures, which could lead to cracking and damage. Here are the bitumen grades commonly used in cold climates:

In areas with severe cold climates, bitumen must be able to withstand freezing temperatures, resist thermal cracking, and maintain flexibility. Bitumen used in these regions should not become too brittle at low temperatures, which could lead to cracking and damage. Here are the bitumen grades commonly used in cold climates:

1. Penetration Grade Bitumen (80/100 or 60/70)

Penetration 80/100:

• Usage: This is a softer grade of bitumen, ideal for use in regions with extremely low temperatures. Its higher penetration value means it remains more flexible, reducing the risk of cracking in cold conditions.
• Reason: Softer bitumen like 80/100 can better absorb the thermal stresses caused by freezing and thawing cycles, preventing cracking and improving road longevity.
• Best for: Low-traffic roads and rural areas in cold climates.

Penetration 60/70:

• Usage: A slightly harder grade than 80/100 , but still suitable for cold regions. It offers a balance between flexibility and resistance to deformation, making it useful for moderate traffic roads.
• Reason: 60/70 provides good flexibility at low temperatures while also offering durability in the face of moderate traffic loads.

Best for: Urban roads and medium-traffic roads in cold areas.

2. Viscosity Grade Bitumen (VG-10)

• Usage: VG-10 is a softer viscosity grade bitumen commonly used in cold climates where temperatures frequently drop below freezing.
• Reason: VG-10 remains flexible at low temperatures, preventing the road surface from becoming brittle and cracking during cold conditions.

Best for: Roads in mountainous regions, rural roads, and low-traffic roads in cold climates.

3. Polymer Modified Bitumen (PMB)

• Usage: PMB is an excellent choice for regions with extreme temperature fluctuations and cold climates. The addition of polymers improves the bitumen’s elasticity and ability to withstand both cold and heat.
• Reason: PMB offers superior crack resistance at low temperatures due to its increased flexibility. It also resists thermal cracking and handles freeze-thaw cycles better than regular bitumen.

Best for: Highways, bridges, and high-traffic roads in cold climates, especially those exposed to significant temperature changes between day and night.

4. Performance Grade Bitumen (PG 58-34, PG 64-28, PG 52-40)

Performance-graded (PG) bitumen is designed for specific temperature ranges, both high and low. For severe cold climates, the following PG grades are used:

PG 58-34:

• Usage: Designed for areas where the average maximum temperature is around 58°C, and the minimum is -34°C.
• Reason: This grade is suitable for regions that experience harsh winters with extreme cold, preventing cracking at low temperatures.

Best for: Roads in very cold climates with heavy traffic.

PG 64-28:

• Usage: Suitable for regions with a maximum temperature of 64°C and a minimum of -28°C.
• Reason: PG 64-28 is commonly used in regions with a moderate cold climate, where it resists low-temperature cracking.

Best for: Urban roads and highways in moderate cold areas.

PG 52-40:

• Usage: This is a specialized grade for regions that experience extremely low temperatures, down to -40°C.
• Reason: It provides excellent flexibility and resistance to thermal cracking under severe cold conditions, making it one of the best options for areas with extreme winter climates.

Best for: Remote regions, cold highways, and high-altitude areas where the temperatures are extremely low.

5. Emulsion Bitumen (Slow Setting Emulsions)

• Usage: Bitumen emulsions are used in cold regions for road maintenance and repairs. Slow-setting emulsions work well in cold environments because they can be applied at ambient temperatures without the need for heating.
• Reason: Emulsion bitumen is flexible and has a higher tolerance for moisture, which can be useful in areas where cold conditions are combined with frequent precipitation or snowfall.

Best for: Maintenance and repair work in cold areas where traditional hot-mix bitumen may not be practical.

Key Factors for Cold Climates:

• Flexibility at Low Temperatures: The bitumen should remain flexible at freezing temperatures to prevent thermal cracking.
• Resistance to Freeze-Thaw Cycles: Roads in cold climates are subjected to repeated freezing and thawing, which can cause cracking and other damage. Bitumen should be able to withstand these cycles.
• Elasticity: Bitumen in cold climates should be elastic enough to absorb thermal stresses caused by temperature changes.
• Adhesion: It must maintain strong adhesion to aggregates in cold and often wet conditions to prevent stripping (bitumen separating from aggregates due to water or ice).

Summary of Bitumen Grades for Cold Weather:

• Penetration Grade 80/100 or 60/70: For areas with low temperatures and moderate to low traffic.
• VG-10: Softer bitumen for regions with frequent freezing conditions.
• Polymer Modified Bitumen (PMB) : Excellent resistance to thermal cracking and temperature fluctuations in cold regions.
• PG 58-34, PG 64-28, PG 52-40: Performance-graded bitumen designed for specific temperature ranges to resist cracking in cold climates.
• Slow Setting Emulsion: For cold-weather maintenance and repairs.

By selecting the appropriate bitumen grade, roads in cold climates can be built to resist cracking, improve durability, and require less maintenance over time.

Best Bitumen Grades for Highway Roads with Heavy Traffic

For highway roads with heavy traffic, bitumen grades must be selected to provide high durability, resistance to deformation, and ability to withstand heavy loads over long periods. Such roads require bitumen that can handle both high temperature fluctuations and the stress caused by continuous traffic, including heavy vehicles. The following bitumen grades are commonly used for highways with heavy traffic:

1. Viscosity Grade Bitumen (VG-30 and VG-40)

VG-30:

• Usage: VG-30 is one of the most commonly used grades for high-traffic highways. It offers excellent resistance to deformation and rutting under heavy traffic loads.
• Reason: It has a higher viscosity, which helps the bitumen maintain its shape and performance in both hot and moderate climates, preventing premature deterioration of the pavement.

Best for: National highways, expressways, and high-traffic roads that are exposed to significant stress.

VG-40:

• Usage: VG-40 is typically used for industrial roads or heavy-duty highways that experience extremely heavy traffic, including trucks and other commercial vehicles.
• Reason: This grade provides even greater stiffness than VG-30, offering more resistance to rutting, cracking, and deformation under extreme stress conditions.

Best for: Industrial roads, highways in urban areas, and high-load corridors where heavy traffic is constant.

2. Polymer Modified Bitumen (PMB)

• Usage: Polymer Modified Bitumen (PMB) is widely used in highways with heavy traffic due to its superior performance characteristics, such as increased elasticity, improved durability, and better resistance to rutting and cracking.
• Reason: PMB has been modified with polymers (such as elastomers or plastomers), giving it enhanced performance, especially under high traffic loads and temperature extremes. It maintains its strength and flexibility, reducing wear and tear over time.

Best for: Highways, expressways, and bridges that require high durability and resistance to both heavy traffic and environmental factors.

3. Performance Grade Bitumen (PG 70-22, PG 76-22, PG 64-22)

Performance-graded bitumen (PG) is selected based on the specific temperature conditions and traffic load the road will experience. For highways with heavy traffic, the following PG grades are common:

PG 70-22:

• Usage: PG 70-22 is designed for areas with high temperatures and heavy traffic, offering excellent resistance to rutting and deformation.
• Reason: It can handle high-stress environments where the pavement is subjected to both heavy traffic loads and elevated temperatures.

Best for: Highways and major urban roads in hot climates with heavy traffic.

PG 76-22:

• Usage: This is a higher-performance grade bitumen used for extremely high-stress roads such as high-volume highways, interstate roads, and airport runways.
• Reason: PG 76-22 has superior performance under both high temperatures and heavy loads, offering high resistance to rutting and fatigue cracking.

Best for: Highways with extreme traffic loads, expressways, and major freight routes.

PG 64-22:

• Usage: PG 64-22 is suitable for areas with moderate temperatures and heavy traffic loads. It is designed to handle significant stress without deforming.
• Reason: It offers good resistance to rutting in hot climates and cracking in cold climates, making it a versatile choice for heavily trafficked highways.

Best for: National and state highways in areas with moderate to high temperatures and traffic.

4. Crumb Rubber Modified Bitumen (CRMB)

• Usage: CRMB is bitumen modified with crumb rubber from waste tires, making it highly durable and resistant to deformation and cracking.
• Reason: CRMB has excellent elasticity and improved performance under heavy loads and extreme conditions, including both hot and cold temperatures. It offers longer pavement life and better resistance to rutting and fatigue cracking, making it suitable for roads with heavy traffic.

Best for: Highways with heavy truck traffic, industrial areas, and urban expressways.

5. Penetration Grade Bitumen (40/50)

• Usage: Penetration grade 40/50 is a harder grade of bitumen typically used for highways and high-traffic roads where the bitumen needs to resist softening under heavy loads and high temperatures.
• Reason: The lower penetration value makes it less prone to deformation, which is essential for heavily trafficked highways, especially in hot climates.

Best for: Highways, expressways, and airport runways in areas with both high temperatures and heavy traffic.

6. SBS-Modified Bitumen (Styrene-Butadiene-Styrene)

• Usage: SBS-modified bitumen is a type of polymer-modified bitumen that is particularly effective for high-traffic roads due to its high elasticity and toughness.

• Reason: SBS enhances the flexibility and resistance to deformation under heavy loads, making it ideal for highways and major roads. It is often used in bridge decks, highways, and intersections with heavy traffic.

Best for: Highways, urban roads, and industrial areas with constant and heavy traffic.

Summary of Bitumen Grades for Highways with Heavy Traffic:

1- VG-30 : For national highways and high-traffic roads where high durability and resistance to rutting are required.

2- VG-40: For industrial highways and high-traffic areas, especially where heavy loads are common.

3- PMB: For high-traffic roads, bridges, and expressways requiring extra durability and flexibility.

4- PG 70-22, PG 76-22, PG 64-22: For highways in regions with high temperatures and heavy traffic, offering tailored performance to resist deformation and cracking.

5- CRMB : For highways with heavy truck traffic and industrial areas, offering superior resistance to wear and tear.

6- Penetration 40/50: For highways and runways in hot climates with heavy traffic.

7- SBS-Modified Bitumen: For urban highways, bridge decks, and areas with extreme traffic loads, offering high elasticity and durability.

Choosing the right bitumen grade is crucial for ensuring the longevity and performance of highways exposed to heavy traffic. The selected bitumen must provide high resistance to rutting, cracking, and deformation to handle the stress imposed by continuous vehicle movement and environmental conditions.

RAHA Bitumen: Leading the Way in Global Road Development

RAHA Bitumen stands at the forefront of the bitumen production and supply industry, dedicated to delivering the highest quality bitumen to customers across the globe. With a firm commitment to excellence, we pride ourselves on offering a diverse range of bitumen products that meet international standards, ensuring that our clients receive the most durable, reliable, and sustainable solutions for their road construction and infrastructure projects.

Our bitumen is meticulously produced using the latest technology, ensuring that each grade is tailored to suit the unique requirements of different environments—whether it's for the extreme heat of desert highways, the severe cold of mountainous regions, or the high-traffic roads in urban areas. Our products include viscosity grade, penetration grade, polymer-modified bitumen (PMB), and performance-grade bitumen (PG), designed to provide superior performance in diverse climatic conditions and withstand heavy traffic loads.

At RAHA Bitumen, we understand the critical role that quality bitumen plays in the development of modern infrastructure. That's why we partner with countries and construction firms around the world, helping them pave the way for progress by providing them with the highest quality bitumen for their road networks. Our bitumen has been instrumental in the construction of highways, bridges, expressways, and urban roads, enabling nations to build safe, long-lasting roadways that facilitate smoother transportation, boost economies, and connect communities.

Our global supply chain ensures that RAHA Bitumen reaches customers in every corner of the world, from the Middle East to Europe, Asia, Africa, and beyond. By leveraging our extensive network, we ensure timely and efficient delivery of bitumen to meet the growing demands of road construction and maintenance projects worldwide.

RAHA Bitumen's impact extends beyond supplying high-quality materials. We are proud to contribute to the sustainable development of roads, ensuring that each project we support has a positive and long-lasting effect on the communities it serves. Our commitment to quality, reliability, and customer satisfaction continues to drive us forward as a trusted partner in global road development.

With RAHA Bitumen, countries can build more than just roads—they can build pathways to prosperity, progress, and sustainable growth.

Pls don hestate to contact us:

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Ali Yilmaz Masoud Esfandiari Bitukim Co ALI ESFANDIARI Shakiba Esfandiari Mohammadreza Salem RABIT, RAHA Bitumen Co. ZüMRüT ?NTERNATIONAL KIMYA Co, Mehdi Tavallaei Peiman Zivari