Germany, March 19 -- In a recently completed pilot project, BASF, together with the housing society ABG FRANKFURT HOLDING and the manufacturer of external thermal insulation composite systems Sto, successfully used an insulation board based on expandable polystyrene (EPS) containing recycled material.The thermal insulation composite manufacturer Sto, BASF as a producer of polystyrene-based raw materials for insulation boards and the Frankfurt housing society ABG have been business partners for decades. This was also the reason for implementing a pilot project with EPS insulation boards with an improved sustainability profile. For this purpose, around 10 percent of the polystyrene was replaced by an EPS recyclate in the production of the raw...