Introduction to Caustic Soda Grades Caustic soda (sodium hydroxide) is a cornerstone of modern industry, with its utility spanning manufacturing, food processing, pharmaceuticals, and cutting-edge technology. While many are familiar with basic grades like industrial or food-grade NaOH, specialized variants such as NF-grade, semiconductor-grade, and ultra-high-purity reagent grades are critical for niche applications. This guide dives deep