Headquartered in Estarreja, CUF manufactures essential day-to-day chemicals essential to modern wellness society. Products of inorganic and organic chemistry, such as chlorine and aniline, nitric, sulphanilic and clodridic acids, caustic soda or nitrobenzene, among others. Products that are present in the water purification we consume, which are used in the pharmaceutical, rubber and paper industries. But in essence, the main products of CUF are used as raw materials in the manufacture of polyurethanes (MDI) and bleaches.


The Air Liquide Production Center in Estarreja was born from the perspective of supplying some continuous products to DOW and later to the then designated QUIMIGAL. Its work is intended for the production of some products in close proximity to pure, namely: Hydrogen (H2), Carbon Dioxide (CO2), Carbon Monoxide (CO). It also has an air fractionation unit for the production of oxygen (O2), nitrogen (N2) and argon (Ar), for the market in general.