The chemical-physical analysis of the gaseous effluents, related to the processing line for food packaging polystyrene trays, revealed abnormal values for:
- styrene vapours;
- aliphatic hydrocarbons due to the simultaneous polypropylene extrusion;
- high viscosity oily polymer vapours;
- The analysis did not comply with the current legislation.
Styrene is an aromatic hydrocarbon. At room temperature, it is a transparent oily liquid with a characteristic sweet smell. It is toxic and flammable. Insoluble in water, it is soluble in most common organic solvents.