HUNAN TOLL CHEMICAL CO., LTD is delighted to share the successful outcome of our participation in BITUROAD 2025, held in Vietnam. As one of the key events in the global asphalt and road materials industry, the conference brought together leading experts, suppliers, and partners from around the world
SBS (Styrene-Butadiene-Styrene) is an effective toughening agent for recycled PS, addressing its inherent brittleness while maintaining processability. To balance performance and cost, here are key principles for selection:Molecular Weight Control: Optimal range is 80,000–200,000.Below 80,000: SBS t
Polymer modification of bitumen has been commonly performed since the 1980s to decrease bitumen (and pavement) susceptibility to high and low temperatures, reducing common failure mechanisms such as rutting and cracking in bitumen concrete and bituminous roads.[1]The addition of thermoplastic or elas
