This is a market dataset, representing the consumption market of the region. The dataset includes transport from the gate to the point of consumption, and transport services are calculated based on the transport situation of this product in the region. Polystyrene can be used for electronics, medical, food, and household items fields; this dataset includes primary raw materials, energy, atmospheric emissions, water emissions, waste from the production process, production equipment, and building construction among others infrastructure are not included within the dataset boundary; The data inventory is derived from literature data; the production process of polystyrene includes stages such as raw material preparation, polymerization, de-monomerization, filtration and separation, washing, and drying processes.