BITUMEN 60/70 FOR ASPHALT

CHARACTERISTICS AND PRACTICAL USES

Bitumen 60/70, a standard penetration grade, is highly valued for road construction and high-quality asphalt pavements. Derived from crude oil distillation, it undergoes softening point testing, ensuring superior performance. Its thermoplastic nature enables softening at high temperatures and hardening at lower ones, influencing adhesion, rheology, durability, and application temperatures. The temperature/viscosity relationship depends on crude oil type and refining. Primarily used in hot mix asphalt for base and wearing courses, Bitumen 60/70 is reliable and versatile. Asphalt properties derived from it are temperature-dependent, influenced by crude oil and refining. As a semi-hard grade, it excels in paving applications, delivering longevity. Compliant with hot mix asphalt specifications, it plays a vital role in durable road surfaces. Widely used, Bitumen 60/70 is a foundational component for various bituminous products. Its exceptional attributes and ability to meet performance standards make it the preferred choice for superior asphalt pavements.

THE PRODUCTION PROCES OF ASPHALT 60/70

Bitumen 60/70, derived from crude oil, undergoes a blowing process in the refinery, striking a balance between softness and firmness. It’s a direct asphalt grade, eliminating the need for additional processing, making it cost-effective. Safety in packaging and minimizing contamination risk are crucial. We offer various packaging options, meeting market standards for secure transportation. Sourcing from manufacturers adhering to international standards, we ensure the highest quality. Our commitment is delivering premium asphalt 60/70 at competitive prices, providing an unrivaled trading experience.

DIFFERENT PRODUCTION METHODS OF PENETRATION 60/70 

1. Vacuum Distillation: This method involves subjecting the crude bitumen to high temperatures under vacuum conditions. The bitumen is heated and vaporized, and then condensed to separate it into different fractions based on their boiling points. The desired fraction for Bitumen 60/70 is collected and further processed.

2. Solvent Extraction: In this method, a solvent such as propane or butane is used to extract the bitumen from the crude oil. The solvent is mixed with the crude oil, and the bitumen is separated from the other components through a series of separation processes. The extracted bitumen is then further processed to achieve the desired grade.

3. Blending: Another method of producing Bitumen 60/70 is by blending different grades of bitumen. This involves mixing bitumen with different penetration grades to achieve the desired penetration range of 60-70 dmm. The blending process may also involve adding additives or modifiers to enhance the properties of the final product.

4. Oxidation: Bitumen can also be produced by oxidizing heavy crude oil or distillation residues. This process involves heating the crude oil or residues at high temperatures in the presence of air or oxygen. The oxidation reaction transforms the heavy hydrocarbons into bitumen with the desired properties.

It’s important to note that each method has its advantages and disadvantages in terms of efficiency, cost, and environmental impact. Manufacturers may choose the most suitable method based on their specific requirements and available resources.

UNDERSTANDING PENETRATION 60/70

Bitumen 60/70 is ideal for road construction and superior asphalt pavements, commonly used in hot mix asphalt for bases and wearing courses, especially in mild regions. This grade is produced through oxidation of vacuum bottom, resulting in medium air blowing suitable for mild areas. It finds application in specialized projects like airport runways and high-traffic coastal roads. The strong viscosity of Bitumen 60/70 makes it perfect for hot mix asphalt, widely used in mild region road construction. It also serves as a reliable material for asphalt primer and waterproofing products. With its balanced hardness and softness, asphalt 60/70 is a versatile grade extensively employed in road paving and maintenance. Its favorable properties earn it the designation of paving grade bitumen. In addition to specified features, it demonstrates excellent heat tolerance and strength. As the most commonly utilized bitumen for road applications, Asphalt 60/70 offers exceptional performance and reliability.

PROPERTIES OF PENETRATION 60/70

Bitumen 60/70, the most commonly used grade of bitumen, exhibits a unique thermoplastic property, enabling it to soften at high temperatures and harden at lower temperatures. This distinctive temperature/viscosity relationship plays a vital role in determining its performance characteristics. With its wide-ranging applications, bitumen 60/70 serves as a versatile adhesive, joint sealant, waterproofing agent, and damp proofing material. It finds extensive use in road construction, airfield development, pool lining, soundproofing, acoustic insulation, pipe coating, and numerous other fields. Moreover, it is a crucial component in the manufacturing of hot mix asphalt for road bases and courses. Its effectiveness extends to infrastructure projects, roofing applications, and the asphalt industry as a whole. While its utilization in roofing, sealing, and insulating industries is relatively more limited, asphalt 60/70 remains an indispensable primary material for producing asphalt mixtures, asphalt emulsion, cutback asphalt, and modified bitumen.

DIVERSE APPLICATION AND COMPOSITION ASPHALT OF 60/70

Bitumen 60/70 is a versatile component for asphalt mixes, emulsions, cut-back bitumen, and modified bitumen. It’s obtained through vacuum distillation, with high boiling point, weight, and polarity. It consists of asphaltene and maltene components, providing unique characteristics. Asphaltene molecules add body and softening point, while maltenes enhance flexibility. Asphaltene is soluble in toluene but insoluble in heptane, while maltenes have lower aromatic content. RAHA Oil supplies pure petroleum-grade asphalt sourced from crude oil byproducts. asphalt 60/70 has particle size of 60-70 desi-millimeter and softening point of 49-56°C. It exhibits thermoplastic behavior, softening when heated and hardening when cooled. This grade has high viscosity compared to others.

KEY TESTS FOR ASPHALT 60/70 

ENSURING QUALITY AND PERFORMANCE 

Essential Tests for Bitumen 60/70: Assessing Quality and Performance

1. Penetration Test: The penetration test measures the hardness or softness of bitumen by determining the depth in tenths of a millimeter that a standard loaded needle penetrates vertically in 5 seconds. The equipment and test procedure have been standardized by the BIS (Bureau of Indian Standards). A grade of 60/70 bitumen indicates a penetration value ranging from 60 to 70 under standard test conditions. In hot climates, a lower grade is typically preferred.

2. Softening Point Test: The softening point test determines the temperature at which asphalt reaches a specific degree of softening according to test specifications. It is conducted using a Ring and Ball apparatus, and the temperature is recorded when the softened bitumen touches a metal plate positioned at a specified distance below. A higher softening point indicates lower temperature susceptibility and is commonly favored in hot climates.

3. Ductility Test: Ductility refers to the ability of bitumen to undergo significant deformation or elongation without breaking. The ductility test measures the distance in centimeters by which a standard sample or briquette of the material can be elongated before it breaks. It provides insights into the material’s ability to withstand elongation under certain conditions.

4. Viscosity Test: Viscosity characterizes the fluid property of bituminous material and indicates its resistance to flow. At the application temperature, viscosity significantly influences the strength of resulting paving mixes. Both excessively low and high viscosity during compaction or mixing have been observed to lead to reduced stability values, highlighting the importance of optimal viscosity levels.

Note: These four tests play a crucial role in evaluating the quality and performance of Bitumen 60/70, ensuring its suitability for various applications in the construction industry.

ENSURING QUALITY AND SAFETY: GURANTEES OF BITUMEN 60/70

At RAHA Oil, we ensure the quality of Bitumen 60/70 through rigorous measures. We arrange for international inspectors to oversee the loading process and verify the quality and quantity of the product before it is shipped. Additionally, our dedicated Quality Control (QC) team conducts batch test reports to ensure that the production of asphalt 60/70 adheres to international standards such as AASHTO M20-70 and ASTM D946. We guarantee that our Asphalt 60/70 meets the specified requirements and is produced in full compliance with the highest quality standards.

SOME OF DESTINATIONS TO WHICH WE EXPORT BITUMEN 60/70

• Qatar
• Kuwait
• UAE (Dubai)
• China
• Malaysia
• Thailand
• Vietnam
• Indonesia
• Myanmar
• Sri lanka
• Philippine
• Africa

PACKING FOR ASPHALT 60/70

When it comes to exporting bitumen, packaging becomes a crucial aspect that directly impacts the safe and efficient delivery of the cargo. Choosing the right packaging solution is essential, taking into consideration factors such as tonnage, type, and grade of the bitumen. Different grades of asphalt possess varying levels of stiffness and viscosity, making grade selection a key factor in determining the appropriate packaging method. For Asphalt 60/70, commonly utilized packaging options include new steel drums weighing 150, 180, and 220 kg, as well as jumbo bags or 300 kg Bitubag containers. These packaging choices ensure optimal protection and convenient handling during transportation. By prioritizing superior and secure packaging, the delivery of bitumen can be optimized, guaranteeing its integrity and reliability throughout the shipment process.

TECHNICAL DATA SHEET OF BITUMEN 60/70