Trinseo Announces Availability of Polystyrene, ABS, and SAN for Sale Produced with Indavers’ Chemically Recycled Monomer Through Depolymerization.By businesswire / October 9, 2025 Trinseo Announces Availability of Polystyrene, ABS, and SAN for Sale Produced with Indavers’ Chemically Recycled Monomer Through Depolymerization. – NEWSnet – News… as it used to be