Introduction
Bitumen PG 70/22, renowned for its versatility and reliability, is a paving-grade bitumen that holds immense promise in various construction applications. From road construction to infrastructure projects, its properties make it a valuable asset in the industry.
Understanding PG 70/22
Asphalt PG 70/22 is characterized by its penetration grade of 70 and temperature susceptibility of 22, making it suitable for diverse climates and conditions.
Applications in Road Construction
In road construction, It is indispensable, serving as a vital component in asphalt mixtures. Its excellent adhesion properties ensure durable road surfaces capable of withstanding heavy traffic loads.
Enhancing Asphalt Mixtures
Table of Contents
The inclusion of Bitumen PG 70/22 in asphalt mixtures significantly improves performance, enhancing resistance to rutting and cracking, resulting in smoother and safer roads.
Benefits in Pavement Durability
It contributes to the overall durability of pavements, prolonging lifespan and reducing the need for frequent maintenance and repairs.
Environmental Sustainability
From an environmental standpoint, Bitumen PG 70/22 offers notable advantages, providing a sustainable solution for road construction and reducing the carbon footprint associated with maintenance activities.
Quality Assurance and Specifications
It undergoes rigorous quality assurance procedures to ensure compliance with industry standards, guaranteeing consistent performance and reliability.
Pricing and Packaging
The pricing of Bitumen PG 70/22 may vary depending on factors such as market demand and supply availability. Packaging is typically done using industry-standard containers or drums, ensuring protection from contamination and maintaining product integrity during storage and transportation.
Specification
| Description | Unit | Value | Test Method | |
|---|---|---|---|---|
| Average 7-day Max. Pavement Design Temp | °C | < 70 | ASTM D6373 | |
| Minimum Pavement Design Temperature | °C | >-22 | ASTM D6373 | |
| ORIGINAL BINDER | ||||
| Flash Point Temp, T48: Minimum | °C | 230 | ASTM D92 | |
| Viscosity Max. Test Temperature | °C | 135 | ASTM D4402 | |
| Dynamic Shear, TP5:Min 1.00 kPa test temp@10rad/s | °C | 70 | ASTM D6373 | |
| ROLLING THIN FILM OVEN (T240) | ||||
| Mass Loss, Maximum, Percent | % | 1.00 | ASTM D6 | |
| Dynamic Shear, TP5:Min 2.20 kPa test temp@10rad/s | °C | 70 | ASTM D6373 | |
| PRESSURE AGING VESSEL RESIDUE (PPI) | ||||
| PAV Aging Temperature | – | 100/110 | – | |
| Dynamic Shear, TP5:Max 5000 kPa test temp@10rad/s | °C | 28 | – | |
| PHYSICAL HARDENING | REPORT | |||
| Creep Stiffness, TP1:S, Max 300.0MPa, Min0.300 test temp@60s | °C | -12 | ASTM D6648 | |
| Direct Tension, TP3: Failure Strain, Min 1.0% test temp@1.0mm/min | °C | -12 | ASTM D6723 | |
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