
Description of PMB 45/80-55 Polymer Modified Bitumen
Polymer Modified Bitumen (PMB) 45/80-55 is a high-performance bitumen grade engineered by modifying conventional paving bitumen with elastomeric polymers, typically SBS (Styrene-Butadiene-Styrene). The modification enhances the elasticity, cohesion, and durability of the binder, making it suitable for demanding road construction and heavy-traffic conditions.
This grade is characterized by its penetration range of 45–80 (0.1 mm) and a softening point of ≥55°C, providing excellent balance between flexibility at low temperatures and resistance to deformation at high temperatures.
Key Features:
- Improved resistance to rutting and thermal cracking
- Superior adhesion to aggregates and durability under heavy loads
- Enhanced elasticity and fatigue resistance
- Suitable for extreme weather conditions and heavy-duty pavements
Application of polymer Modified bitumen PMB 45/80-55
PMB 45/80-55 is widely used in:
- Highways and expressways
- Heavy-traffic urban roads
- Airport runways and taxiways
- Bridges and industrial pavements
- Areas with large temperature variations
Polymer modified bitumen packaging PMB 45/80-55
Polymer Modified Bitumen 45/80-55 is supplied in different packaging options to ensure safe handling, storage, and transportation:
- Steel Drums (180–200 Kg Net): Standard export drums for convenient handling.
- New Steel Drums (Sealed): Suitable for long-distance shipping with protection against leakage.
- Jumbo Bags (1 MT): Flexible packaging, cost-efficient for bulk deliveries.
- Jumbo Bags (1 MT) in wooden box

Zumrut International Kimya, as one of the leading producers and suppliers of polymer modified bitumen, proudly offers Polymer Modified Bitumen PMB 45/80-55 manufactured in compliance with the highest international standards. Developed with advanced technology and premium-quality polymers, this product provides outstanding features such as excellent resistance to cracking, high thermal stability, and superior adhesion to aggregates.
PMB 45/80-55 is the ideal solution for major infrastructure projects including highways, heavy-traffic roads, airports, and regions with extreme climatic conditions. Its consistent quality and proven reliability have made Zumrut Kimya a trusted partner for construction and infrastructure companies in international markets.
Specifications of Polymer Modified Bitumen PMB 45/80-55
| PROPERTIES, UNIT | TEST METHOD |
ZUMRUT PMB 45/80–55 |
| Penetration at 25 °C, 0.1 mm | EN 1426 | 45–80 |
| Softening point, °C | EN 1427 | ≥ 55 |
| Elastic recovery at 25 °C, % | EN 13398 | ≥ 50 |
| Fraas breaking point, °C | EN 12593 | ≤ –15 |
| Force Ductility at 10 °C, J/cm2 | EN 13589 EN 13703 |
≥ 2 |
| Flash point, °C | EN ISO 2592 | ≥ 235 |
| Retained penetration, % | EN 1426 | ≥ 60 |
| Change in softening point, °C | EN 1427 | ≤ 8 |
| Change of mass, % | EN 12607-1 | ≤ 0.5 |
| Elastic recovery at 25 °C after EN 12607-1, % | EN 13398 | ≥ 50 |
| Storage stability: Difference in softening point, °C | EN 13399, EN 1427 |
≤ 5 |
| Drop in softening point after EN 12607-1, °C | EN 12607-1, EN 1427 |
TBR (To Be Reported) |
TECHNICAL DATASHEET OF BITUMEN (PMB 45 80-55)



