PMB mixes have been popular for decades and are designed to maintain the integrity of the roadway while enhancing functional performance characteristics. Most virgin bitumen lacks the complete properties needed in quality to build high-performing roadways. Adding polymers to create a PMB can help strengthen and toughen the roadway surface. PGXpand®, a bitumen-friendly polymer additive, is uniquely designed to allow polymer modified bitumen (PMB) producers to boost the high temperature performance of the binder while maintaining low temperature properties. It minimizes SBS content, improves viscosity, supports higher filler loading, and provides better stability.
Enhancing Pavement Durability for High-Traffic Roadways
As transportation infrastructure faces growing traffic volumes and heavier axle loads, pavement durability has become a priority in new road construction. Municipalities, contractors, and transportation agencies are under pressure to build roads that last longer, require less maintenance, and deliver better lifecycle value. The importance of pavement durability extends beyond appearance or ride quality. From a financial standpoint, durable pavements can help reduce long-term maintenance costs, minimize expensive [...]
