Bitumen 250/330

Bitumen 250/330 Overview

Bitumen 250/330 is a standard penetration grade bitumen. It primarily serves as a paving material for roadworks and also plays a crucial role in the production of hot-mix asphalt. This bitumen is derived from petroleum-grade bitumen, which undergoes fractional and vacuum distillation of crude oil. The penetration range, which spans from 250 to 330 mm/10 at 25°C, defines its key characteristics. Additionally, bitumen 250/330 exhibits thermoplastic properties, meaning it softens at high temperatures and hardens as the temperature drops. This unique relationship between temperature and viscosity is essential for evaluating key performance aspects like adhesion, rheology, application temperatures, and durability.

Uses of Bitumen 250/330

Bitumen 250/330 proves ideal for road construction and repairs. Moreover, it is widely used in the manufacturing of hot-mix asphalt for both base and wearing courses. Due to its robust properties, it ensures the creation of durable, long-lasting road surfaces. Furthermore, this grade is particularly advantageous for use in tropical regions, where elevated temperatures demand high-performance bitumen with exceptional stability.

Application of Bitumen Penetration Grade 250/330

Bitumen 250/330 is especially suitable for road construction and asphalt pavements requiring superior durability. Given its unique properties, it performs exceptionally well in tropical regions, where high ambient temperatures are common. In addition to road construction, this bitumen is widely used for producing hot-mix asphalt, ideal for base and wearing courses. As a result, it offers significant advantages in ensuring long-term pavement strength and resilience.

Softening Point and Penetration

Bitumen 250/330 is a high-quality petroleum-grade bitumen. It is produced by passing hot air through the vacuum bottom of crude oil, which effectively removes hydrocarbons. The penetration range of this bitumen falls between 250 and 330 desi-millimeters, while its softening point lies between 52°C and 58°C. Furthermore, bitumen 250/330 has thermoplastic properties similar to synthetic resin materials. It softens when heated and hardens when cooled. Compared to other grades, this bitumen displays strong viscosity, enhancing its performance and reliability.

Guarantee/Warranty of Bitumen

Jey Pasargad guarantees the quality of bitumen 250/330 with an extensive inspection process. During loading, international inspectors verify both the quality and quantity of the bitumen. Moreover, Jey Pasargad maintains stringent quality control through batch tests before shipping. The company ensures that the bitumen complies with international standards, such as ASTM and EN 12591, thereby delivering consistent quality and performance.

Specification of Penetration Bitumen 250/330

Test method | Unit | Specification
Penetration @25°C | IP 49 | mm/10 | 250-330
Softening point | IP 58 | °C | 46-54
Kinematic viscosity @135°C | IP 370 | mm²/s | 295 min
Flashpoint | IP 36 | °C | 230 min
Solubility in CS2 | IP 47 | wt% | 99 min