Once a quarter, EUWID publishes a price watch for caustic soda (NaOH), a key auxiliary material for the paper industry. The pricing information published in EUWID Price Watch Caustic Soda is based on data collected from producers and buyers. The accompanying report covers the latest happenings in the market. The focus of the market and price report is primarily on Western Europe, especially Germany. The NaOH price watch shows a price for 50 per cent solution, calculated on a 100 per cent basis.