ButaPhalt Archives

ButaPhalt® is an innovative cross-linking agent that helps improve the effectiveness of sulfur to cross link the SBS polymers with bitumen during the manufacture of polymer modified bitumen (PMB). It also helps in improving the thermal stability and storage stability of the PMB. A unique blend of proprietary ingredients, ButaPhalt acts as a H2S scavenger, helping reduce the hydrogen sulfide (H2S) emission and odor. It is easy to use in a PMB operation and is safe to handle and use. A more effective cross-linking agent, low levels of ButaPhalt deliver the desired results. ButaPhalt also helps in reducing the amount of polymer needed to meet the established specification and deliver the desired performance. The product is available both as a free-flowing, dust-free powder and as a liquid.

How Asphalt Crosslinking Impacts Long-Term Fatigue and Cracking Resistance

Asphalt pavements are subjected to a complex combination of mechanical stresses, environmental conditions, and temperature fluctuations throughout their service life. Fatigue cracking and surface deterioration are common challenges that can significantly reduce pavement lifespan and increase maintenance costs. One of the most effective strategies to combat these issues is PMB asphalt crosslinking, a process that enhances binder elasticity, cohesion, and resistance to micro-crack [...]

By Vince Aurilio|2026-04-07T16:54:35+00:00April 9th, 2026|Categories: Blog|Tags: ButaPhalt|0 Comments

What Asphalt Crosslinking Actually Does and How ButaPhalt Is Different

Polymer modified bitumen (PMB) is a cornerstone of asphalt mix design, enabling pavements that can resist rutting, cracking, and aging under increasingly demanding traffic and climate conditions. While polymers provide the backbone of these performance improvements, the real durability of PMB depends on how effectively those polymers interact with the base bitumen. That interaction is where crosslinking plays a critical role. Crosslinking is often [...]

Sripath Asphalt Additives and Proven Durability in Roadway and Roofing Applications

In modern asphalt mix design, the use of high-quality asphalt additives has become essential to improve performance, sustainability, and long-term durability. Whether the goal is to incorporate higher amounts of Reclaimed Asphalt Pavement (RAP), reduce production and compaction temperatures, or optimize polymer-modified bitumen (PMB) blends, additives can help producers achieve these objectives without compromising pavement life. Sripath has developed a suite of innovative additives including ReLIXER®, PGXpand®, [...]

PMB Crosslinker Compatibility and Its Role in SBS Asphalt Pavements

Polymer Modified Bitumen (PMB) has become a cornerstone of modern asphalt pavement design, particularly for high-performance roadways exposed to heavy traffic loads and extreme climates. Among the most widely used polymers in PMB is Styrene-Butadiene-Styrene (SBS). While SBS offers significant performance benefits, achieving those benefits consistently depends on one often overlooked factor: crosslinker compatibility. What Is an SBS Asphalt Mix? [...]