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Sripath develops, manufactures, and markets innovative additives to enhance the performance of bitumen, asphalt, and polymer modified bitumen. With solutions spanning rejuvenators, oils, and polymers for both paving and roofing applications, Sripath remains an active leader and innovator across the bitumen and asphalt industries. Our blog serves as a repository for a variety of materials ranging from published technical papers to event archives and press releases, providing a centralized place for customers, partners, and other experts to learn more about Sripath’s latest offerings, industry opinions, product developments, and general resources. Explore content through category and topic lists using the side navigation, search based on keywords, or scroll through content in order of recency.

The Role of Bitumen Softeners in Roofing Compounds

Roofing materials must balance durability, flexibility, adhesion, and processability to perform reliably across changing temperatures and weather conditions. Bitumen remains a key component in roofing products because of its waterproofing properties and versatility. However, the characteristics of the base bitumen and the frequently varying quality of incoming bitumen can make formulation and processing challenging. Asphalt additives known as bitumen softeners can help formulators address some of these challenges. Softeners can make it easier to [...]

Performance-Based Asphalt Specifications and Balanced Mix Design

Asphalt specifications provide a framework for designing and producing consistent pavement mixtures. Requirements for binder grade, aggregate properties, air voids, voids in mineral aggregate, and other volumetric characteristics give engineers measurable criteria for evaluating an asphalt mixture before it is implemented for a roadway project. Those requirements remain important. But the questions facing the asphalt industry have become more complex. Technologies like higher reclaimed [...]

Optimizing Cold In-Place Recycling (CIR) with Bio-Based Rejuvenator

As transportation departments work toward aggressive carbon reduction targets, traditional "mill-and-fill" or complete reconstruction approaches are increasingly difficult to justify for aging roadways. Asphalt pavements degrade over time as oxidation occurs, leaving behind a brittle binder prone to fatigue cracking, raveling, and thermal stress. To rehabilitate these deteriorating roadway surfaces cost-effectively, agencies turn to two primary in-place recycling methodologies: Cold In-Place [...]

By Vince Aurilio|2026-08-25T14:23:07-04:00August 26th, 2026|Categories: Blog|Tags: ReLIXER|0 Comments

How ButaPhalt PMB Crosslinker Prevents Equipment Fouling for Asphalt Producers

For many polymer modified bitumen (PMB) producers, equipment fouling is an unavoidable cost of doing business. Build-up on mixers, transfer lines, storage tanks, and production equipment increases downtime, creates maintenance issues, and reduces production efficiency. While traditional sulfur crosslinking remains an effective way to improve binder performance, the crosslinking process itself can contribute to difficult cleanups that cost producers time and money. Asphalt producers need more than a [...]