INEOS Joliet Manufactures Purified Isophthalic Acid (PIA), Trimellitic Anhydride (TMA) And Maleic Anhydride (MAN).
PIA – Purified Isophthalic Acid – is a difunctional aromatic acid.
TMA – Trimellitic Anhydride - is a trifunctional, highly reactive aromatic anhydride.
MAN – Maleic Anhydride – is a low molecular weight, unsaturated, carboxylic anhydride.